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Koji Yamaguchi Patents
Inventor:
Yamaguchi; Koji
Address:
Numazu, JP
No. of patents:
73
Patents:


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Patent Number Title Of Patent Date Issued
D489752 Image forming apparatus May 11, 2004
7365561 Test probe and tester, method for manufacturing the test probe April 29, 2008
A test probe having a conductive part electrically connected to terminals of a test-object device, including: a silicon substrate; a protrusion made of resin provided on the silicon substrate; a first conductive part which is provided on the protrusion and comes in contact with the t
7356294 Developing roll April 8, 2008
A developing roll which may reduce stress imparted on toner and have uniform transportability of toner. The developing roll comprises a shaft, an elastic layer provided on an outer peripheral surface of the shaft, and a cylindrical outermost layer provided directly or indirectly via a
7323777 Semiconductor device, method of manufacturing the same, circuit board, and electronic instrument January 29, 2008
A semiconductor substrate has an integrated circuit, an interconnect electrically connected to the inside of the semiconductor substrate, and an electrode formed on the interconnect. A plurality of resin layers are separately formed on the semiconductor substrate so that part of the
7319834 Process cartridge and image forming apparatus January 15, 2008
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes an electrophotographic photosensitive drum, a developing roller for developing a latent image formed on the drum while in contact with the drum, a drum unit support
7298042 Semiconductor device and method of manufacturing the same, circuit board, and electronic instrum November 20, 2007
A semiconductor device includes a semiconductor substrate in which an integrated circuit is formed and which includes interconnects and electrodes, the interconnects electrically connected with the semiconductor substrate, and the electrodes being formed on the interconnects; a resin
7284649 Sheet feeding roller October 23, 2007
A sheet feeding roller, available at a lower cost, having lower hardness with securing both abrasion resistance and sustainability of friction coefficient. The sheet feeding roller comprises a hub, an inner layer provided on an outer peripheral surface of the hub, and an outer layer
7279845 Plasma processing method and apparatus October 9, 2007
A method and apparatus for processing a target substance by using atmospheric-pressure plasma produced by a composite waveform generated by superimposing a high-frequency sine wave and a high-frequency square wave at the same or substantially the same frequency and at the same or sub
7273414 Race game device September 25, 2007
A loop track for racing objects is disposed at the center of a race game device, for example for a simulated horse race. A plurality of racing objects, such as race horses, run on the track. The X- and Y-directional positions of the race horses are detected by a separable position de
7256105 Semiconductor substrate and thin processing method for semiconductor substrate August 14, 2007
A semiconductor substrate having a first substrate surface which includes a device area in which semiconductor devices are formed and a substrate peripheral portion which does not overlap with the device area. A concavo-convex portion is formed in the substrate peripheral portion. Pr
7255758 Steel wire and method of manufacturing the same August 14, 2007
A steel wire of pearlite structure containing 0.8-1.0 mass % of C and 0.8-1.5 mass % of Si is disclosed. In the cross section of the steel wire the difference in average hardness between a region up to 100 .mu.m from the surface thereof and a deeper region is within 50 in micro-Vickers
7223634 Semiconductor device, method for manufacturing the same, circuit board, and electronic apparatus May 29, 2007
Exemplary embodiments of the present invention include a semiconductor device, a method for manufacturing the same, a circuit board and an electronic apparatus with increased productivity and reliability. An exemplary method for manufacturing a semiconductor device of the present inv
7194225 Process cartridge and image forming apparatus March 20, 2007
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes an electrophotographic photosensitive drum, a developing roller for developing a latent image formed on the drum while in contact with the drum, a drum unit support
7193297 Semiconductor device, method for manufacturing the same, circuit substrate and electronic device March 20, 2007
The invention provides highly reliable semiconductor devices, methods for manufacturing the same, circuit substrates and electronic devices. A semiconductor substrate is provided that includes: an integrated circuit and a pad defining a through hole electrically connected to the inte
7184687 Process cartridge mountable to image forming apparatus having positioning portion to engage a me February 27, 2007
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus including an electrophotographic photosensitive drum, a process device actable on the drum, a cartridge positioning portion for engaging a main assembly positioning portion t
7136604 Process cartridge having electrical contact connectable to electrical contact in electrophotogra November 14, 2006
A unit is detachably mountable to a main assembly of an electrophotographic image forming apparatus including a main assembly electrical contact and a rotatable electrical contact supporting member. The unit includes a unit electrical contact for electrically connecting with the main
7135762 Semiconductor device, stacked semiconductor device, methods of manufacturing them, circuit board November 14, 2006
A semiconductor device including: a semiconductor substrate having an integrated circuit and a penetrating hole; an insulating layer formed on an inner surface of the penetrating hole; and a conductive section formed on the insulating layer to penetrate the semiconductor substrate and
7132742 Semiconductor device, method of manufacturing the same, circuit board, and electronic instrument November 7, 2006
A semiconductor device includes a semiconductor substrate in which an integrated circuit is formed and which includes interconnects and electrodes, the interconnects electrically connected with the semiconductor substrate, and the electrodes being formed on the interconnects; a resin
7127930 Device and method for press forming October 31, 2006
A pressing apparatus includes a lower die (24) fixed to a lower plate (11), and first and second plate (11), and first and second upper die punches (33 and 34) capable of being lifted and lowered along with an upper plate (12). The first upper die punch (33) supported by a spring (49
7126227 Wiring substrate, semiconductor device, semiconductor module, electronic equipment, method for d October 24, 2006
The invention can provide an improvement in the connection reliability in mounting semiconductor chips. The invention can include solder balls that are disposed on a back surface of an interposer substrate, in a manner to avoid diagonal lines of the interposer substrate, and a semiconduc
7116925 Process cartridge and image forming apparatus October 3, 2006
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus including an electrophotographic photosensitive drum, a process device actable on the drum, a cartridge positioning portion for engaging a main assembly positioning portion t
7094310 Method for joining high-pressure composite pipes August 22, 2006
A high-pressure composite pipe includes a pipe-shaped inner layer made of a synthetic resin, and a reinforcing layer made of a stretched polyolefin resin sheet and wound on an external circumferential surface of the inner layer, with a winding direction of the reinforcing layer being ori
7068965 Developing cartridge, side cover mounting method and electrophotographic image forming apparatus June 27, 2006
A developing cartridge detachably mountable to an electrophotographic image forming apparatus. The cartridge includes a frame, a developing roller, a frame groove, a frame projection, a bearing configured and positioned to rotatably support a developing roller shaft, a bearing cylind
7063768 Method and device for producing laminated composite June 20, 2006
A polyolefin resin drawn sheet 4 is laminated on at least one face of a sheet-form core material 6 having a density of 30 to 300 kgf/m.sup.3. At this time, a sheet or film 5 made of a bonding synthetic resin or rubber having a flow starting temperature lower than the thermal deformation
7025917 Polyolefin stretched sheet and method for producing the same April 11, 2006
A method for producing a polyolefin stretched sheet which comprises extruding a polyolefin having a weight average molecular weight of 100,000 to 500,000 into a primary sheet, rolling the primary sheet at a rolling magnification of 5 or more, and stretching the rolled sheet into a po
6983115 Developing cartridge and process cartridge having first and second projected portions and image January 3, 2006
A developing cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The apparatus includes: a frame; a developing device for developing an electrostatic latent image formed on an electrophotographic photosensitive member; a first projected
6969908 Semiconductor device, method of manufacturing the same, circuit board, and electronic instrument November 29, 2005
A semiconductor substrate has an integrated circuit, an interconnect electrically connected to the inside of the semiconductor substrate, and an electrode formed on the interconnect. A plurality of resin layers are separately formed on the semiconductor substrate so that part of the
6961528 Cartridge and electrophotographic image forming apparatus November 1, 2005
A cartridge removably mountable to a main assembly of an electrophotographic image forming apparatus includes a developing member, a developer accommodating portion, a locking portion to engage a locking portion of the main assembly of the apparatus to prevent the cartridge from dise
6960270 Optical disk producing device and producing method November 1, 2005
A molding machine 1 which molds two sheets of disc substrates on which the information is recorded simultaneously, a cooling mechanism 3 for cooling each of the disc substrates, first movably mounting means 2 for movably mounting the disc substrate from the molding machine onto the cooli
6953748 Method of manufacturing semiconductor device October 11, 2005
To enhance and/or improve reliability in a method of forming a semiconductor device. An exemplary method of forming a semiconductor device forms a conductive part within a concave portion which is formed in a first surface of a semiconductor substrate. The semiconductor substrate inc
6947687 Cartridge having locking portion for locking cartridge with an image forming apparatus and relea September 20, 2005
A cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes a developing member for developing an electrostatic latent image formed on an electrophotografic photosensitive member, a developer accommodating portion for accommododatin
6916725 Method for manufacturing semiconductor device, and method for manufacturing semiconductor module July 12, 2005
To form through electrodes effectively without deteriorating the quality of the through electrodes, a semiconductor substrate is spin etched at its back surface, thereby thinning down the semiconductor substrate, making opening sections penetrate the semiconductor substrate, and forming
6915092 Process cartridge remanufacturing method July 5, 2005
A remanufacturing method for remanufacturing a process cartridge includes (i) a pin removing step of removing a pin which connects a transfer member unit and a drum unit; (ii) a drum unit removing step; (iii) a one-end cover removing step of removing an end cover from one longitudinal en
6834173 Image-forming-apparatus process cartridge having a locking portion to prevent the cartridge from December 21, 2004
A cartridge removably mountable to a main assembly of an electrophotographic image forming apparatus includes a developing member, a developer accommodating portion, a locking portion to engage a locking portion of the main assembly of the apparatus to prevent the cartridge from dise
6800168 Bonding system and method October 5, 2004
In a plate bonding system for bonding first and second substrate discs (or other plates) with adhesive, there are provided a first section for bringing the first and second substrate discs closer to each other with the interposition of adhesive, and a second section for producing an
6785411 Image analyzing apparatus and image analyzing method August 31, 2004
There are provided an image analyzing apparatus and an image analyzing method where, in analyzing a microscopic image of a microbe or a cell tissue, the manpower-independent observation and quantification are executed so as to enhance the analyzing performance. The configuration of t
6782219 Cartridge and electrophotographic image forming apparatus August 24, 2004
A cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus includes a cartridge frame; a developing member for developing an electrostatic latent image formed on an electrophotographic photosensitive member; a first guide, provided projected
6762075 Semiconductor module and producing method therefor July 13, 2004
For producing a semiconductor module, an electrically insulating layer and an electrically conductive layer are formed on a Nickel-base metal film over a metallic surface, the electrically conductive layer is connected electrically to an electric element through an electrically conductiv
6692422 Roll February 17, 2004
A roll has a base material layer, a front surface layer, and stress relaxation layer. The base material layer is made of low hardness rubber material and provided on an outer circumference of a metal core. The stress relaxation layer is provided on the base material layer and made of
6688339 Composite high-pressure tube and method of manufacturing the tube February 10, 2004
A high-pressure composite pipe of the present invention comprises an inner layer pipe made of a synthetic resin, and a reinforcing layer formed by spirally winding a stretched polyolefin resin sheet on an external circumferential surface of the inner layer pipe. The synthetic resin for
6681088 Process cartridge, image forming apparatus and separating mechanism for separating developing me January 20, 2004
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes a first frame; a second frame coupled with the first frame for rotation about a shaft; an electrophotographic photosensitive drum provided in the first frame; a dev
6629547 Composite high-pressure pipe and method of joining same October 7, 2003
As the first object, the present invention intends to provide high-pressure composite pipes which show remarkable pressure resistance and optimum applicability in various uses and which can be economically manufactured in a light weight. To achieve this object, a high-pressure composite
6603210 Semiconductor module and producing method therefor August 5, 2003
For producing a semiconductor module, an electrically insulating layer and an electrically conductive layer are formed on a Nickel-base metal film over a metallic surface, the electrically conductive layer is connected electrically to an electric element through an electrically conductiv
6557623 Production method for continuous casting cast billet May 6, 2003
Molten steel is poured using an immersion nozzle and a direct current magnetic field zone is applied to a cast slab over the entire width in the thickness direction thereof at a predetermined distance below the molten metal level in a continuously-casting mold. The immersion nozzle is
6527883 Steel wire and method of manufacturing the same March 4, 2003
A steel wire of pearlite structure containing 0.8-1.0 mass % of C and 0.8-1.5 mass % of Si is disclosed. In the cross section of the steel wire the difference in average hardness between a region up to 100 .mu.m from the surface thereof and a deeper region is within 50 in micro-Vickers
6510251 Wavelet image compression and decompression January 21, 2003
In an image data processing system, an insignificant space estimation unit predicts a significant/insignificant space in a high-frequency subband on the basis of a low-frequency subband signal in a wavelet space. A deletion unit deletes data in the insignificant space which is predicted
6498914 Seal part and developing device having the same December 24, 2002
A bushing used in a developer container to seal a developer, has an aperture portion through which a rotary member extends. The aperture portion is provided with a seal portion contacting with the peripheral surface of the rotary member and preventing the developer from leaking out.
6494987 Bonding system and method December 17, 2002
In a plate bonding system for bonding first and second substrate discs (or other plates) with adhesive, there are provided a first section for bringing the first and second substrate discs closer to each other with the interposition of adhesive, and a second section for producing an
6464586 Game unit October 15, 2002
A structure of a box-like game unit to be arranged in large number outside of and adjacently to a main body of a game machine such as a casino game machine, a horse race game machine, a boat race game machine or the like. The game unit comprises a game unit cabinet of box-shape having a
6394898 Race game device May 28, 2002
A loop track for race horses is disposed at the center of a horse race game device. Twelve race horses run on the track. A gate is disposed in a paddock in the track. The gate is advanced to a start point of the track from the paddock. Twelve satellites are disposed on three sides of the
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