Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Hiroshi Oka Patents
Inventor:
Oka; Hiroshi
Address:
Kyoto, JP
No. of patents:
23
Patents:




Patent Number Title Of Patent Date Issued
7392706 Pressure sensor device July 1, 2008
A sensor substrate 1 having on its lower surface a surface acoustic wave element 2 for detecting pressure is mounted on a supporting substrate 6 through a sealing member 4 surrounding a sensor section 2. A sealing space S is formed by the sensor substrate 1, the supporting substrate 6,
7242100 Method for manufacturing semiconductor device with plural semiconductor chips July 10, 2007
A method for manufacturing a semiconductor device with plural semiconductor chips is provided. The method includes the step of attaching a second semiconductor chip to a first surface of a supporting member in a manner such that a third set of electrodes are wirelessly connected to t
6861760 Semiconductor device with stacked-semiconductor chips and support plate March 1, 2005
A semiconductor device comprises a plurality of semiconductor chips stacked in the direction of thickness. Each of the semiconductor chips includes an upper surface formed with electrodes. The semiconductor device further comprises a plurality of terminal portions disposed beside these
6460858 Mechanical seal October 8, 2002
The compression ring 21 is mounted on the seal ring 20 at the end thereof. The compression ring 21 has the outer circumference projections 30 that are fixed in the groove 40 extending in the axial direction at the inner surface of the flange 22 . With this construction, the compression r
6441495 Semiconductor device of stacked chips August 27, 2002
A semiconductor device comprises a plurality of semiconductor chips stacked in the direction of thickness. Each of the semiconductor chips includes an upper or lower surface formed with electrodes. The semiconductor device further comprises a plurality of terminal portions disposed besid
6413797 Semiconductor device and method for making the same July 2, 2002
A semiconductor device includes a semiconductor chip having a main surface formed with an electrode pad, a package containing the semiconductor chip, a component element connected with the electrode pad within the package, a gold bump formed on the electrode pad, and a gold connecting me
5886161 Process for producing an alkylglycoside March 23, 1999
The process for producing an alkylglycoside, wherein the amount of coarse sugar particles in alkylglycoside can be reduced without reducing reaction yield, is provided.The process for producing an alkylglycoside comprises,a) mixing a hydrated solid sugar with a higher alcohol;b) dehydrating
5689388 Reduced-height magnetic disk drive unit, and disk mounting device for the unit November 18, 1997
A disk mounting device, in a disk drive unit for rotating a disk-shaped recording medium while writing information on and/or reading information from it, includes an attracting magnet to magnetically hold the recording medium. The attracting magnet is mounted directly on the rotor yoke o
5525692 Dewatering agent for sludge June 11, 1996
A novel process for preparing an acrylic polymer containing a tertiary amino group which is not quaternized or not salt formed and having a high molecular weight, characterized by reacting an aqueous solution of an acrylic monomer containing a tertiary amino group with carbonic acid gas
5294492 Acicular magnetic iron oxide particles March 15, 1994
Disclosed herein is a process for producing acicular magnetic iron oxide particles comprising the steps of: mixing an aqueous dispersion of acicular magnetic iron oxide particles with an aqueous solution of a Co salt and an alkaline aqueous solution, or an aqueous solution of a Co sa
5292950 N,N-dialkylaminoalkyl (meth) acrylamide composition with improved storageability March 8, 1994
A composition of an N,N-dialkylaminoalkyl(meth)acrylamide of the following formula (II), which has an improved storageability and which contains an N,N-dialkylhydroxylamine of the following formula (I) in an amount of from 10 to 10,000 ppm: ##STR1## where R.sub.1 and R.sub.2 each
5202388 Process for producing hydrogenation product of ring-opening polymer April 13, 1993
A process for producing a hydrogenation product of ring-opening polymer by hydrogenating, in the presence of a hydrogenation catalyst, the non-aromatic carbon-to-carbon double bond present in a ring-opening polymer obtained by subjecting to ring-opening polymerization at least one no
5164469 Transparent resin material November 17, 1992
A transparent resin material consisting of a hydrogenation product of a (co)polymer obtained by subjecting at least one compound represented by general formula (I) or a combination of at least 5% by weight of said compound and 95% by weight or less of other copolymerizable cyclic olefin
5128818 Stable disc unit having reduced thickness July 7, 1992
A disc drive unit for rotating a data storage disc such as an optical disc or a magnetic disc comprising a turntable for supporting and rotating the disc, and a motor for rotating the turntable. The turntable also functions as a rotor of the motor. At least one driving magnet is mounted
5128574 Brushless motor July 7, 1992
A brushless motor whose stator keeps hold of coils and is made of either magnetic-power-blended resin by molding techniques, or magnetic powder by sintering techniques.
5036370 Thin film semiconductor array device July 30, 1991
The production of a thin film transistor array device having a gate wiring on an insulated substrate. The gate wiring has an inner gate wiring having a first metal layer formed on the insulated substrate and a second metal layer whose etching speed is faster than that of the first metal
5019479 Positive type radiation-sensitive resin composition comprising a photosensitizer and a novolak r May 28, 1991
A positive type radiation-sensitive resin composition comprising an alkali-soluble novolac resin and a 1,2-quinonediazide compound, characterized in that said alkali-soluble novolac resin is a resin produced by condensing a carbonyl compound and a phenol mixture comprising 6 to 94 mo
5011960 Wiring pattern detection method and apparatus April 30, 1991
A method of detection of a wiring pattern using triangulation to detect a height thereof, comprising the steps of scanning a light beam from a light source, illuminating the wiring pattern to be detected by the scanned light beam, focusing the light reflected from the wiring pattern or a
4886840 Diluent for UV and EB curable resins December 12, 1989
Acryloylmorpholine and/or methacryloylmorpholine useful as a reactive diluent for UV and EB curable resin compositions, which has low skin irritation, a little odor, low volatility, low weight loss and high workability and which provides, without imparing work environment, UV and EB
4544391 Method for separation of solid mixtures by simultaneous multi-stage recrystallization October 1, 1985
A method for separating a desired component from a solid mixture by repeated recrystallization in a single vertical crystallizer having a plurality of chambers partitioned by solid-liquid separation means, which comprises intermittently feeding a solid mixture to the top chamber and a
4454310 Polyamide acid, process for producing same and polyimide obtained therefrom June 12, 1984
Polyamide acid obtained by reacting 2,3,5-tricarboxycyclopentane-acetic acid and a diamine in a solvent has a high stability in the form of a solution, has a high workability and is excellent in storage stability. Polyimide obtained by heating said polyamide acid is excellent in heat
4283579 Process for producing diol August 11, 1981
A process for producing a diol by reacting an acetic ester of butanediol or butenediol with methanol, which comprises (a) continuously feeding to a first reaction-distilling column from its upper part a liquid acetic ester of butanediol or butenediol, while continuously feeding methanol
4268447 Process for producing tetrahydrofuran and 1,4-butanediol May 19, 1981
A process for producing simultaneously tetrahydrofuran and 1,4-butanediol in any desired proportion which comprises (a) reacting the acetic ester of 1,4-butanediol with a theoretical or smaller quantity, based on said acetic ester, of water (preferably 0.2-0.8 mole of water per mole of s


 
 
  Recently Added Patents
Surface mount type photo-interrupter and method for manufacturing the same
Printhead maintenance assembly having maintenance belt
Replikin peptides and antibodies therefore
N4 virion single-stranded DNA dependent RNA polymerase
Efficient rendezvous point tree to shortest path tree switch-over process
Ceiling hanger
Molded clamp
  Randomly Featured Patents
Image forming apparatus and program for controlling image forming apparatus
Sputter target, barrier film and electronic component
Safety and selective use switch for a power outlet
Pneumatically operated actuator and method of making the same
Branched siloxane/silalkylene copolymer, silicone-containing organic polymer, and process for producing the same
Hand tool with an adjustable rotational speed and torsion force
Detachable road protecting devices for tracked vehicles
Boat for use with a motorcycle
Size reduction machine
Process for treating olefinic polymers with steam