Inventor · disambiguated record
Akira Hasegawa
Also filed as: HASEGAWA AKIRA · KISHIDA KAZUO · USHIKU KENICHI
270 granted patents·46 pending applications·5,821 citations·filing 1974–2025
99Inventor score
Files withOLYMPUS OPTICAL CO36MITSUBISHI HEAVY IND LTD18FUJIFILM CORP17MITSUI CHEMICALS INC17HITACHI LTD15
Top patents by PatentIndex Score
316 records- 0197US7119046B2Catalyst carrier and method of producing sameIBIDEN CO LTD·Filed 2005·Granted Oct 10, 2006·44 cites·32 claims
- 0296US7343032B2Method and apparatus for automatic and dynamic vessel detectionFUJIFILM CORP·Filed 2005·Granted Mar 11, 2008·73 cites·22 claims
- 0396US6939825B1Carrier for catalyst and method for preparing the sameIBIDEN CO LTD·Filed 2000·Granted Sep 6, 2005·74 cites·18 claims
- 0495US7196037B2Catalyst carrier and method of producing sameIBIDEN CO LTD·Filed 2005·Granted Mar 27, 2007·23 cites·40 claims
- 0594US6282320B1Video data decoding apparatus and method and video signal reproduction apparatus and methodSONY CORP·Filed 1998·Granted Aug 28, 2001·174 cites·18 claims
- 0693US6841989B2Hall-effect current detectorSANKEN ELECTRIC CO LTD·Filed 2002·Granted Jan 11, 2005·84 cites·13 claims
- 0793USD342575SReceptacle for blood sample analyzingFUJIREBIO KK·Filed 1992·Granted Dec 21, 1993·46 cites·1 claims
- 0892US9011985B2Method of manufacture of multilayer filmHASEGAWA AKIRA·Filed 2010·Granted Apr 21, 2015·11 cites·10 claims
- 0992US7250385B1Catalyst and method for preparation thereofIBIDEN CO LTD·Filed 2000·Granted Jul 31, 2007·60 cites·26 claims
- 1092US7022066B2Capsule endoscopeOLYMPUS CORP·Filed 2003·Granted Apr 4, 2006·54 cites·20 claims
- 1192US6772003B2Endoscope apparatusOLYMPUS CORP·Filed 2002·Granted Aug 3, 2004·57 cites·30 claims
- 1292US6139175ALight source for endoscopes, having different numerical-aperture light collection systemOLYMPUS OPTICAL CO·Filed 1999·Granted Oct 31, 2000·106 cites·13 claims
- 1392US4916534AEndoscopeOLYMPUS OPTICAL CO·Filed 1988·Granted Apr 10, 1990·91 cites·20 claims
- 1492US4882619AHigh resolution image pickup system with color dispersion meansOLYMPUS OPTICAL CO·Filed 1987·Granted Nov 21, 1989·75 cites·5 claims
- 1591USRE41807ECapsule endoscopeOLYMPUS CORP·Filed 2007·Granted Oct 5, 2010·68 cites·23 claims
- 1691US5896418AData transmission system having a communication control computer for controlling communication between a communication interface module and terminal devicesHITACHI LTD·Filed 1994·Granted Apr 20, 1999·79 cites·5 claims
- 1791US4460742ADelustered thermoplastic resin compositionMITSUBISHI RAYON CO·Filed 1981·Granted Jul 17, 1984·53 cites·7 claims
- 1889US5995136AFrame sequential type imaging apparatus for obtaining high resolution object image by irradiating frame sequential light on the object, photoelectrically converting the object image and processing signals by a solid state imaging deviceOLYMPUS OPTICAL CO·Filed 1994·Granted Nov 30, 1999·96 cites·43 claims
- 1989US4508875AMulti-layer structure polymer compositionMITSUBISHI RAYON CO·Filed 1983·Granted Apr 2, 1985·50 cites·20 claims
- 2088US6069651AImaging apparatus for endoscopesOLYMPUS OPTICAL CO·Filed 1996·Granted May 30, 2000·89 cites·6 claims
- 2188US5608451AEndoscope apparatusOLYMPUS OPTICAL CO·Filed 1995·Granted Mar 4, 1997·110 cites·29 claims
- 2287US8167794B2Endoscope system for fluorescent observationMATSUMOTO SHINYA·Filed 2010·Granted May 1, 2012·21 cites·2 claims
- 2387US6012347APower steering apparatusTOYOTA MOTOR CO LTD·Filed 1997·Granted Jan 11, 2000·58 cites·9 claims
- 2487US4120478AGas-hydraulic pressure type actuator for pipeline valveJAPAN STEEL WORKS LTD·Filed 1976·Granted Oct 17, 1978·29 cites·5 claims
- 2586US5191072ALipid a monosaccharide analoguesJAPAN TOBACCO INC·Filed 1990·Granted Mar 2, 1993·35 cites·6 claims
- 2686US5089812ALiquid-crystal displayCASIO COMPUTER CO LTD·Filed 1989·Granted Feb 18, 1992·54 cites·17 claims
- 2785US6680676B1Switch unit and portable terminal device using the switch unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 20, 2004·41 cites·19 claims
- 2885US4800042ARadioactive waste water treatmentJGC CORP·Filed 1987·Granted Jan 24, 1989·36 cites·15 claims
- 2984US7774048B2Fluorescent endoscope deviceOLYMPUS CORP·Filed 2005·Granted Aug 10, 2010·36 cites·35 claims
- 3083US4526929AResin composition usable without being coatedMITSUBISHI RAYON CO·Filed 1981·Granted Jul 2, 1985·31 cites·15 claims
- 3183US4173600AMulti-stage sequentially produced polymer compositionMITSUBISHI RAYON CO·Filed 1978·Granted Nov 6, 1979·25 cites·12 claims
- 3282US8648130B2Resin composition, transparent member obtained from the resin composition, and use of the sameHASEGAWA AKIRA·Filed 2008·Granted Feb 11, 2014·4 cites·16 claims
- 3382US6918872B2Capsule endoscopeOLYMPUS CORP·Filed 2003·Granted Jul 19, 2005·107 cites·11 claims
- 3482US5444574AElectronic image pickup apparatus equipped with means for eliminating moireOLYMPUS OPTICAL CO·Filed 1994·Granted Aug 22, 1995·53 cites·4 claims
- 3582US4759797AColor-developing agent for pressure-sensitive recordingJUJO PAPER CO LTD·Filed 1987·Granted Jul 26, 1988·21 cites·4 claims
- 3682US4314998A6-Deoxyglucosamine-peptide derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Feb 9, 1982·22 cites·13 claims
- 3781US9744522B2Porous alumina material, process for producing same, and catalystRENAISSANCE ENERGY RES CORP·Filed 2015·Granted Aug 29, 2017·2 cites·5 claims
- 3881US8345943B2Method and apparatus for registration and comparison of medical imagesFUJIFILM CORP·Filed 2008·Granted Jan 1, 2013·11 cites·30 claims
- 3980USD950066SHinge for oral sleep applianceMITSUI CHEMICALS INC·Filed 2020·Granted Apr 26, 2022·8 cites·1 claims
- 4080US6303091B1Metal oxide powder and method for the production of the sameSUMITOMO CHEMICAL CO·Filed 1994·Granted Oct 16, 2001·27 cites·11 claims
- 4180US5380772AModelling liquid for dental porcelainG C DENTAL IND CORP·Filed 1993·Granted Jan 10, 1995·64 cites·13 claims
- 4280US5177605AOptical system for endoscopes and endoscopes using sameOLYMPUS OPTICAL CO·Filed 1992·Granted Jan 5, 1993·50 cites·9 claims
- 4379US7331724B2Camera-equipped portable deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Feb 19, 2008·18 cites·26 claims
- 4479US5063255APhotopolymerizable type resin compositions for dental purposesG C DENTAL IND CORP·Filed 1989·Granted Nov 5, 1991·59 cites·9 claims
- 4579US4028516AAcceleration detector switch having magnetic biased conductive oscillating controllerHITACHI LTD·Filed 1975·Granted Jun 7, 1977·20 cites·15 claims
- 4678US7072498B1Method and apparatus for expanding the use of existing computer-aided detection codeR2 TECHNOLOGY INC·Filed 2002·Granted Jul 4, 2006·22 cites·21 claims
- 4778US4879201AMethod of making a lithographic plate comprising microcapsulesFUJI PHOTO FILM CO LTD·Filed 1988·Granted Nov 7, 1989·28 cites·12 claims
- 4878US4059087AOil pressure detecting apparatus for internal combustion enginesHITACHI LTD·Filed 1976·Granted Nov 22, 1977·25 cites·4 claims
- 4977US12343703B2Method for synthesizing SiO2Al2O3 containing sol solution and method for forming porous alumina filmRENAISSANCE ENERGY RES CORP·Filed 2023·Granted Jul 1, 2025·0 cites·13 claims
- 5077US9576380B2Image display device, image display method, medical image diagnostic device, medical image diagnostic method, medical image diagnostic system, data preparation device, data preparation method, and non-transitory recording mediumFUJIFILM CORP·Filed 2015·Granted Feb 21, 2017·3 cites·13 claims
Showing the top 50 of 316 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →