Inventor · disambiguated record
Hideo Okada
Also filed as: NAKAJIMA FUMITO · OKADA HIDEO · SAKUTA YOUICHI
54 granted patents·4 pending applications·981 citations·filing 1978–2019
99Inventor score
Top patents by PatentIndex Score
58 records- 0190US5307227AMagnetic recording/reproducing apparatus capable of high-density recording on a magnetic tape guided at high speedSHARP KK·Filed 1992·Granted Apr 26, 1994·51 cites·7 claims
- 0290US4206036AHydrodesulfurization of hydrocarbon oil with a catalyst including titanium oxideHITACHI LTD·Filed 1978·Granted Jun 3, 1980·46 cites·15 claims
- 0389USD442054SCutter knifeTAJIMA TOOL CORP·Filed 2000·Granted May 15, 2001·39 cites·1 claims
- 0489US4407905AFuel cellHITACHI LTD·Filed 1981·Granted Oct 4, 1983·52 cites·32 claims
- 0588US5975330ALiquid accommodating container providing negative pressure, manufacturing method for the same, ink jet cartridge having the container and ink jet recording head as a unit, and ink jet recording apparatusCANON KK·Filed 1996·Granted Nov 2, 1999·44 cites·23 claims
- 0688US4810595AMolten carbonate fuel cell, and its operation control methodNEW ENERGY DEV ORG·Filed 1988·Granted Mar 7, 1989·75 cites·8 claims
- 0782US8978804B2Battery boxMITSUBISHI MOTORS CORP·Filed 2013·Granted Mar 17, 2015·8 cites·9 claims
- 0882US5755883ARoll coating device for forming a thin film of uniform thicknessDAINIPPON SCREEN MFG·Filed 1996·Granted May 26, 1998·51 cites·8 claims
- 0978US4207209ASintered cataltyic or absorbent metallic product and method for sintering metallic powdersHITACHI LTD·Filed 1978·Granted Jun 10, 1980·25 cites·24 claims
- 1077US5834761AImage input apparatus having a spatial filter controllerSHARP KABUSHIKI KAISAH·Filed 1997·Granted Nov 10, 1998·62 cites·17 claims
- 1173US6145970ALiquid accommodating container providing negative pressure, manufacturing method for the same, ink jet cartridge having the container and ink jet recording head as a unit, and ink jet recording apparatusCANON KK·Filed 1999·Granted Nov 14, 2000·21 cites·24 claims
- 1273USD403954SDispenser for replacement cutter bladesTAJIMA TOOL CORP·Filed 1997·Granted Jan 12, 1999·18 cites·1 claims
- 1372US6832020B2Variable wavelength dispersion compensatorFUJITSU LTD·Filed 2001·Granted Dec 14, 2004·12 cites·7 claims
- 1472US6266086B1Imaging apparatusSHARP KK·Filed 1997·Granted Jul 24, 2001·43 cites·4 claims
- 1572US4710683ARotation detecting apparatusSECOH GEIKEN INC·Filed 1987·Granted Dec 1, 1987·29 cites·11 claims
- 1670US4446210AFuel cell electrodeHITACHI LTD·Filed 1982·Granted May 1, 1984·23 cites·23 claims
- 1769US6992701B2Reusable digital camera that prevents unauthorized useSHARP KK·Filed 2001·Granted Jan 31, 2006·8 cites·9 claims
- 1869US5969757AImaging apparatus and method having enhanced moire reductionSHARP KK·Filed 1996·Granted Oct 19, 1999·37 cites·24 claims
- 1968US7319821B2Chromatic dispersion generating apparatusFUJITSU LTD·Filed 2005·Granted Jan 15, 2008·5 cites·9 claims
- 2068US4542079AFuel cellHITACHI LTD·Filed 1984·Granted Sep 17, 1985·21 cites·14 claims
- 2167US4943496AFuel cell, electrode for the cell and method of preparation thereofHITACHI LTD·Filed 1989·Granted Jul 24, 1990·25 cites·6 claims
- 2266US9263603B2Solar cell with connecting sheet, solar cell module, and fabrication method of solar cell with connecting sheetSHARP KK·Filed 2014·Granted Feb 16, 2016·0 cites·8 claims
- 2365US5786901AImage shifting mechanism and imaging deviceSHARP KK·Filed 1997·Granted Jul 28, 1998·30 cites·13 claims
- 2465US4480017AFuel cellHITACHI LTD·Filed 1983·Granted Oct 30, 1984·19 cites·18 claims
- 2565US4363649AApparatus for inspection of glass containersTOYO GLASS CO LTD·Filed 1981·Granted Dec 14, 1982·23 cites·4 claims
- 2664US6502431B1Washing machine and method of breaking up sameSHARP KK·Filed 2000·Granted Jan 7, 2003·11 cites·2 claims
- 2764US5637861AImaging apparatus having improved resolution due to control of an inclination angle of a refracting plate in more than one directionSHARP KK·Filed 1995·Granted Jun 10, 1997·28 cites·22 claims
- 2864US4250798AMethod of and device for fabricating plastic sleevesTOYO GLASS CO LTD·Filed 1978·Granted Feb 17, 1981·24 cites·3 claims
- 2963US4436794AMolten carbonate fuel cellHITACHI LTD·Filed 1982·Granted Mar 13, 1984·18 cites·15 claims
- 3061US7570848B2Lens adjusting method, lens adjusting device, and optical switchFUJITSU LTD·Filed 2007·Granted Aug 4, 2009·1 cites·10 claims
- 3160US6760686B2Device and method of calculating a residual value of an apparatus based on a history of use of the apparatus as well as an electrical apparatus including the deviceSHARP KK·Filed 2001·Granted Jul 6, 2004·7 cites·52 claims
- 3257US6183892B1Magnetic recording medium substrate and magnetic recording mediumMITSUBISHI CHEM CORP·Filed 1998·Granted Feb 6, 2001·13 cites·24 claims
- 3356US6250748B1Liquid accommodating container providing negative pressure, manufacturing method for the same, ink jet cartridge having the container and ink jet recording head as a unit, and ink jet recording apparatusCANON KK·Filed 1999·Granted Jun 26, 2001·10 cites·7 claims
- 3456US5663845AMagnetic recording/reproducing apparatusSHARP KK·Filed 1995·Granted Sep 2, 1997·11 cites·5 claims
- 3556US5154795ASystem for setting analysis condition for a thermal analysis of a fluid inside an apparatusMITSUBISHI KASEI POLYTEC CO·Filed 1990·Granted Oct 13, 1992·15 cites·6 claims
- 3656US2012006380A1Solar cell with connecting sheet, solar cell module, and fabrication method of solar cell with connecting sheetMIKAMI RUI·Filed 2010·Application pending·0 cites
- 3754US7233719B2Dispersion slope compensatorFUJITSU LTD·Filed 2005·Granted Jun 19, 2007·1 cites·7 claims
- 3854US7197211B2Variable wavelength dispersion compensatorFUJITSU LTD·Filed 2004·Granted Mar 27, 2007·3 cites·20 claims
- 3952US7540922B2Thin film forming apparatusSHARP KK·Filed 2004·Granted Jun 2, 2009·4 cites·5 claims
- 4052US5603755APreventive agent for fouling organismsIHARA CHEMICAL IND CO·Filed 1995·Granted Feb 18, 1997·5 cites·13 claims
- 4151US5491594AMagnetic recording/reproducing apparatusSHARP KK·Filed 1993·Granted Feb 13, 1996·8 cites·11 claims
- 4251US4699853AFuel cellHITACHI LTD·Filed 1986·Granted Oct 13, 1987·12 cites·19 claims
- 4350US7073915B2Mirror fixing method and optical apparatusFUJITSU LTD·Filed 2003·Granted Jul 11, 2006·3 cites·17 claims
- 4449US6440352B1Liquid accommodating container providing negative pressure, manufacturing method for the same, ink jet cartridge having the container and ink jet recording head as a unit, and ink jet recording apparatusCANON KK·Filed 1999·Granted Aug 27, 2002·7 cites·23 claims
- 4548US11592538B2Calibration method, data processing apparatus, non-transitory computer-readable storage medium for storing calibration programFUJITSU LTD·Filed 2019·Granted Feb 28, 2023·0 cites·8 claims
- 4648US4369388ADirect current motor with non-superposed armature windingsBAN ITSUKI·Filed 1981·Granted Jan 18, 1983·11 cites·4 claims
- 4747US2020047028A1Measurement method, measurement system, and storage mediumFUJITSU LTD·Filed 2019·Application pending·0 cites
- 4844US6982754B2Video cameraSHARP KK·Filed 2001·Granted Jan 3, 2006·0 cites·22 claims
- 4943US5202807AMagnetic head device for providing high recording densities at high speedsSHARP KK·Filed 1991·Granted Apr 13, 1993·5 cites·6 claims
- 5043US2012291846A1Back contact solar cell, wiring sheet, solar cell having wiring sheet, solar cell module and production method for solar cell having wiring sheetMIKAMI RUI·Filed 2011·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →