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Murata Machinery Ltd. Patents
Assignee:
Murata Machinery Ltd.
Address:
Kyoto-sho, JP
No. of patents:
30
Patents:




Patent Number Title Of Patent Date Issued
D464004 Bed October 8, 2002
D451849 Wheelchair December 11, 2001
7621710 Work sheet conveying and housing system and work sheet conveying and housing method November 24, 2009
The present invention provides a work sheet conveying and housing system which can efficiently convey and house work sheets and which, in a housed condition, prevents formed parts of the work sheets from being crushed. The work sheet conveying and holding system includes a work sheet sto
7603060 Image forming device and power transmission mechanism October 13, 2009
An image forming device includes a device main body, a drum unit, a stud which is fixed to a frame of the device main body, and a drum drive transmitting gear which is supported by the stud such that the drum drive transmitting gear can axially rotate. The drum unit includes a unit frame
7600478 Transportation vehicle system October 13, 2009
A plurality of intra-bay routes and an inter-bay route between the intra-bay routes are defined as a logic bay, and the minimum number of allocated transportation vehicles is determined based on the unit of each logic bay.
7599643 Image forming apparatus having electrode cleaning member October 6, 2009
An image forming apparatus includes a corona discharger including: a stylus electrode; and a cleaning member capable of slidably moving along a longitudinal direction of the stylus electrode in the state that the stylus electrode is sandwiched in the cleaning member, wherein the clea
7588246 Paper transportation device with adjustable separating pad holder September 15, 2009
In a paper transportation device, a separation pressure adjusting screw is provided in a transportation device main body under a separating pad holder. One end of a coil spring makes contact with the separation pressure adjusting screw, and another end of the coil spring makes contac
7570902 Charging device, photoconductive drum unit, and image forming device August 4, 2009
A photoconductive drum unit includes a frame, a photoconductive drum, and a scorotron charging unit. The charging unit includes a pair of mounting members, a discharging electrode filament, a shield casing, a grid, and a connecting member. The mounting members are mounted and fixed at bo
7551887 Image forming device June 23, 2009
An image forming device includes an inner guide, a first outer guide, a second outer guide and a control device. A fusing casing is arranged between the inner guide and a heat roller. The inner guide forms a downstream end portion of a transportation path and a paper output path. The
7551860 Image forming apparatus including a recognition structure for recognizing the compatibility of a June 23, 2009
An image forming apparatus for recognizing compatibility of an image forming process unit to be removably mounted at a given position within a main body of the apparatus, includes an engaging member mounting portion arranged to mount a recognition engaging member thereon, and a projectin
7536131 Developing device, image forming device and method of assembling developing device May 19, 2009
A developing device includes a sealing member for sealing an end of a developing roller to prevent developer from leaking from the interior of a casing. The casing includes a first plane and a second plane. A blade is mounted to the first plane and the blade regulates the amount of d
7516859 Overhead traveling vehicle having lateral movement mechanism April 14, 2009
An overhead traveling vehicle has a lateral movement mechanism for moving a transfer apparatus toward left and right sides. The lateral movement mechanism includes a fixed base unit having drive means, and a middle unit supported by the base unit. The middle unit is slidable laterally by
7515854 Image forming apparatus April 7, 2009
In an image forming apparatus, a second shutter is caused to slide in conjunction with a first shutter which slides in the mounting direction in association with a mounting operation of a developing device to an apparatus body. Accordingly, in association with a separating movement of
7463843 Developing device December 9, 2008
A developing device includes toner, a casing accommodating the toner, a developing roller rotatably fixed on the casing, an elastic blade making contact with a circumferential surface of the developing roller, a seal member, and a cutout portion in the seal member. The seal member is
7400846 Image forming apparatus having guide supporting brackets including paper transportation guides July 15, 2008
An image forming apparatus includes an apparatus main body, a photoconductive drum, a transfer roller, a pair of guide supporting brackets, and an urging member. The guide supporting brackets include two paper transportation guides, and the brackets are mounted on both end portions o
7343107 Image forming device March 11, 2008
An image forming device includes a front cover which can be opened and closed, a remaining amount detecting sensor for detecting a remaining amount of toner, and a moving mechanism which moves the remaining amount detecting sensor between a retracted position and a detecting position.
7342600 Image forming device March 11, 2008
An image forming device includes an image carrier, a charging unit, an exposing device, a developing device, a control device and a pair of position adjusting devices. Each of the position adjusting devices is respectively provided at a leading edge and a trailing edge of an output f
7274885 Image forming device having replaceable drum unit and developing unit September 25, 2007
In an image forming device, when a replacement timing of a photoconductive drum unit has been reached, the image forming device determines whether or not a replacement timing of a developing unit is close, but not yet actually reached. When the replacement timing of the developing unit i
7239701 Key sharing method, secret key generating method, common key generating method and cryptographic July 3, 2007
Mapping is carried out at a point on an elliptic curve to be utilized for elliptic encryption based on identity information (ID information) of each entity and a mapping value is set to be a public key of the entity. By using the mapping value and secret information, a secret key of each
6990200 Encryption method, cryptographic communication method, ciphertext generating device and cryptogr January 24, 2006
Two public keys including a random number term therein are prepared in a database for each divided plaintext in advance, a plaintext is divided into a plurality of 1-bit divided plaintexts, one public key is selected for each divided plaintext from the database according to the bit data
6183184 Work transport system February 6, 2001
A work transport system having an overhead travelling carriage that runs along a rail arranged near the ceiling, arranged with a storage rack member upon which work may be loaded, between the floor and the rail. As the storage rack member upon which work may be loaded is arranged between
5588344 Electric servo motor punch press ram drive December 31, 1996
A punch press ram drive is described in which a reversible electrical servo motor is coupled to a crankshaft having an eccentric journal driving a pitman arm connected to the ram. The electrical servo motor is operated by program controls so as to either cause rotation or oscillation of
5528968 Punch press with automated sheet rotation June 25, 1996
An automated workpiece rotation is accomplished by clamping the workpiece, to the lower turret of a turret punch press in the press carriage grippers and rotating the turret 180.degree. to reorient an oversized workpiece in order to enable completion of a punching program on the workpiec
5522295 Rear address punch with turret frame June 4, 1996
A punch press having a rear address configuration is described in which a forward facing carriage cross slide is mounted within the throat space of a punch press main frame and an auxiliary turret frame mounts the punch and die rotary turrets separately from the main punch frame, avoidin
5350897 Hybrid laser-plasma arc cutting apparatus combined with a punch press September 27, 1994
A sheet material hybrid cutting apparatus has a laser beam cutting head mounted side-by-side with a plasma arc cutting head on a shuttle carrier plate movably mounted to enable positioning of either cutting head a single cutting station. The cutting heads are mounted in a punch press
5333176 Cellular hand held portable speakerphone system having an interface adapter July 26, 1994
A hand held cellular telephone system including voice storage features which enable the cellular telephone to perform functions similar to a telephone answering device, a battery monitoring system for providing the user with a real time display of the amount of time remaining for use of
5299478 Method for controlling punch press noise April 5, 1994
A method for controlling punch press noise in which the noise level produced is monitored by a detector and the press ram velocity is modified in real time to keep the noise level within preset limits. A time weighted average noise level is also controlled by varying the ram velocity for
5248929 Battery time monitor for cellular telephone September 28, 1993
A battery monitoring system for a cellular telephone which provides the user with a real time display of the amount of time remaining for use of the cellular telephone in both the standby and conversation modes. The amount of time may be calculated directly from the rate of discharge of
4444003 Turbulent spinning apparatus for the production of yarn April 24, 1984
In the production of a covered core yarn in pneumatic spinning in a stationary, tubular spinning chamber, an endless thread (2) is covered with staple fibers (1). The staple fibers (1) are brought together with the core thread and are spun overtwisted in a twist blocking device (12).
3967795 Bobbin tube July 6, 1976
A bobbin tube, particularly suitable for use in filament winding apparatus having automatic bobbin-changing mechanisms, has a tubular body provided on its outer circumferential surface with tentacular filament engaging material provided on at least one portion of this surface, so as to e

 
 
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