Inventor · disambiguated record
Yasuo Hirata
Also filed as: HIRATA YASUO
51 granted patents·10 pending applications·2,452 citations·filing 1975–2022
99Inventor score
Top patents by PatentIndex Score
61 records- 0194US4783779AFrequency assignment system in FDMA communication systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted Nov 8, 1988·176 cites·5 claims
- 0293US7801666B2Air-fuel ratio detection apparatus of internal combustion engineDENSO CORP·Filed 2008·Granted Sep 21, 2010·22 cites·23 claims
- 0390US6796939B1Electronic endoscopeOLYMPUS CORP·Filed 2000·Granted Sep 28, 2004·281 cites·15 claims
- 0488US7356985B2Air-fuel ratio controller for internal combustion engineDENSO CORP·Filed 2006·Granted Apr 15, 2008·18 cites·18 claims
- 0588US6540670B1Endoscope systemOLYMPUS OPTICAL CO·Filed 2000·Granted Apr 1, 2003·175 cites·24 claims
- 0688US5531664ABending actuator having a coil sheath with a fixed distal end and a free proximal endOLYMPUS OPTICAL CO·Filed 1994·Granted Jul 2, 1996·401 cites·15 claims
- 0787US5624380AMulti-degree of freedom manipulatorOLYMPUS OPTICAL CO·Filed 1995·Granted Apr 29, 1997·362 cites·12 claims
- 0886US7591781B2Endoscope system with insertion direction changing guidesOLYMPUS CORP·Filed 2003·Granted Sep 22, 2009·32 cites·8 claims
- 0985US8043211B2Endoscope device with a heat removal portionOLYMPUS CORP·Filed 2007·Granted Oct 25, 2011·14 cites·10 claims
- 1084US4462101AMaximum likelihood error correcting techniqueKOKUSAI DENSHIN DENWA CO LTD·Filed 1982·Granted Jul 24, 1984·53 cites·4 claims
- 1183US8437944B2Fuel injection device of internal combustion engineHIRATA YASUO·Filed 2010·Granted May 7, 2013·6 cites·5 claims
- 1283US6367455B2Fuel supply amount controller for internal combustion engineDENSO CORP·Filed 2001·Granted Apr 9, 2002·29 cites·10 claims
- 1382US4578800ASynchronization circuit for a Viterbi decoderYASUDA YUTAKA·Filed 1983·Granted Mar 25, 1986·31 cites·7 claims
- 1480US7762950B2EndoscopeOLYMPUS CORP·Filed 2005·Granted Jul 27, 2010·22 cites·11 claims
- 1580US7630824B2Fuel estimating deviceDENSO CORP·Filed 2008·Granted Dec 8, 2009·10 cites·6 claims
- 1679US7749160B2Endoscope deviceOLYMPUS CORP·Filed 2006·Granted Jul 6, 2010·9 cites·6 claims
- 1778US6589163B2Endoscope shape detecting apparatus wherein form detecting processing is controlled according to connection state of magnetic field generating meansOLYMPUS OPTICAL CO·Filed 2002·Granted Jul 8, 2003·87 cites·2 claims
- 1878US4456988ASatellite repeaterKOKUSAI DENSHIN DENWA CO LTD·Filed 1982·Granted Jun 26, 1984·40 cites·5 claims
- 1977US7549958B2Endoscope apparatusOLYMPUS CORP·Filed 2005·Granted Jun 23, 2009·15 cites·10 claims
- 2076US10161342B2Control device for high-pressure pumpDENSO CORP·Filed 2016·Granted Dec 25, 2018·2 cites·11 claims
- 2175US10034601B2Heat resistant sheath for endoscope and endoscope system provided with heat resistant sheath for endoscopeOLYMPUS CORP·Filed 2016·Granted Jul 31, 2018·2 cites·8 claims
- 2275US9046694B2Cooling apparatus for endoscope and endoscope systemHIRATA YASUO·Filed 2008·Granted Jun 2, 2015·7 cites·5 claims
- 2374US7000153B2Computer apparatus and method of diagnosing the computer apparatus and replacing, repairing or adding hardware during non-stop operation of the computer apparatusHITACHI LTD·Filed 2002·Granted Feb 14, 2006·21 cites·5 claims
- 2474US6793622B2Electric bending endoscopeOLYMPUS OPTICAL CO·Filed 2002·Granted Sep 21, 2004·68 cites·12 claims
- 2573US4075429ATransmultiplexerKOKUSAI DENSHIN DENWA CO LTD·Filed 1976·Granted Feb 21, 1978·21 cites·4 claims
- 2671US7762948B2Endoscope systemOLYMPUS OPTICAL CO·Filed 2006·Granted Jul 27, 2010·6 cites·4 claims
- 2770US6470854B1Air-fuel ratio control with improved fuel supply operation immediately after complete combustion of mixtureDENSO CORP·Filed 2000·Granted Oct 29, 2002·17 cites·27 claims
- 2870US6432041B1Endoscope shape detecting apparatus wherein form detecting processing is controlled according to connection state of magnetic field generating meansOLYMPUS OPTICAL CO·Filed 1999·Granted Aug 13, 2002·143 cites·42 claims
- 2968US10942815B2Storage control system managing file-level and block-level storage services, and methods for controlling such storage control systemHITACHI LTD·Filed 2015·Granted Mar 9, 2021·2 cites·13 claims
- 3068US6511417B1System for detecting the shape of an endoscope using source coils and sense coilsOLYMPUS OPTICAL CO·Filed 1999·Granted Jan 28, 2003·126 cites·21 claims
- 3167US6773394B2System for detecting the shape of an endoscope using source coils and sense coilsOLYMPUS CORP·Filed 2002·Granted Aug 10, 2004·36 cites·16 claims
- 3266US8400500B2Endoscope with alternating irradiate lightHIRATA YASUO·Filed 2006·Granted Mar 19, 2013·5 cites·7 claims
- 3366US7513233B2Variable valve timing controller for internal combustion engineDENSO CORP·Filed 2007·Granted Apr 7, 2009·4 cites·5 claims
- 3466US4527279ASynchronization circuit for a Viterbi decoderKOKUSAI DENSHIN DENWA CO LTD·Filed 1983·Granted Jul 2, 1985·17 cites·5 claims
- 3565US5679216AMethod of manufacturing a multi-degree-of-freedom manipulatorOLYMPUS OPTICAL CO·Filed 1995·Granted Oct 21, 1997·107 cites·2 claims
- 3664US4146893ASystem for compensating for cross polarization couplingKOKUSAI DENSHIN DENWA CO LTD·Filed 1977·Granted Mar 27, 1979·20 cites·4 claims
- 3760US7691056B2Endoscope apparatusOLYMPUS CORP·Filed 2004·Granted Apr 6, 2010·19 cites·11 claims
- 3859US9121310B2Control system for variable valve timing apparatusDENSO CORP·Filed 2013·Granted Sep 1, 2015·0 cites·4 claims
- 3958US10519894B2Control device for internal combustion engineDENSO CORP·Filed 2017·Granted Dec 31, 2019·0 cites·5 claims
- 4057US12433623B2Treatment instrument and endoscope apparatusEVIDENT CORP·Filed 2022·Granted Oct 7, 2025·0 cites·12 claims
- 4157US6951537B2Endoscope of which the bending part is operated by fluid supply or exhaustionOLYMPUS CORP·Filed 2003·Granted Oct 4, 2005·14 cites·23 claims
- 4254US7104953B2Endoscope systemOLYMPUS OPTICAL CO·Filed 2002·Granted Sep 12, 2006·7 cites·14 claims
- 4354US2022087505A1Endoscope apparatus and bending member for endoscopeOLYMPUS CORP·Filed 2021·Application pending·0 cites
- 4453US2011100312A1Control system for variable valve timing apparatusDENSO CORP·Filed 2010·Application pending·0 cites
- 4552US4017684ASystem for determining burst sending timing in TDMA communicationKOKUSAI DENSHIN DENWA CO LTD·Filed 1975·Granted Apr 12, 1977·11 cites·4 claims
- 4651US10314604B2Endoscopic treatment instrument and endoscope systemOLYMPUS CORP·Filed 2016·Granted Jun 11, 2019·0 cites·13 claims
- 4751US10273885B2High-pressure pump control device for internal-combustion engineDENSO CORP·Filed 2016·Granted Apr 30, 2019·0 cites·12 claims
- 4849US2009259103A1Endoscope cooling device and endoscope systemHIRATA YASUO·Filed 2008·Application pending·0 cites
- 4947US9002618B2Variable valve timing control apparatus for engineHIRATA YASUO·Filed 2011·Granted Apr 7, 2015·0 cites·20 claims
- 5047US4045614ASystem for controlling polarity state of start-stop telegraph signal trainKOKUSAI DENSHIN DENWA CO LTD·Filed 1976·Granted Aug 30, 1977·9 cites·8 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →