Inventor · disambiguated record
Koichi Hasegawa
Also filed as: HASEGAWA KOICHI · SUGIMOTO MASAAKI
107 granted patents·27 pending applications·977 citations·filing 1976–2025
99Inventor score
Files withTOKAI RUBBER IND LTD16SUMITOMO RIKO CO LTD13HASEGAWA KOICHI12MITSUBISHI HEAVY IND LTD12HONDA MOTOR CO LTD10
Top patents by PatentIndex Score
134 records- 0197USD315598SElectric fanHITACHI LTD·Filed 1989·Granted Mar 19, 1991·120 cites·1 claims
- 0295US7919203B2Battery box structure, inter-locking structure of electrical equipment box, and electrical equipment box structureHONDA MOTOR CO LTD·Filed 2005·Granted Apr 5, 2011·35 cites·17 claims
- 0394US11641554B2Transducer and manufacturing method thereofSUMITOMO RIKO CO LTD·Filed 2022·Granted May 2, 2023·2 cites·11 claims
- 0494US9002560B2Control device of a vehicleHASEGAWA KOICHI·Filed 2011·Granted Apr 7, 2015·31 cites·6 claims
- 0594US7290829B2Working vehicle with a cabKUBOTA KK·Filed 2005·Granted Nov 6, 2007·32 cites·13 claims
- 0690US6536566B2Vibration-damping device for vehiclesTOKAI RUBBER IND LTD·Filed 2001·Granted Mar 25, 2003·39 cites·58 claims
- 0790US4087505AProcess for preparing tacky polyolefin filmMITSUBISHI CHEM IND·Filed 1976·Granted May 2, 1978·50 cites·17 claims
- 0889US9490729B2Magnetostrictive vibration power generation deviceSUMITOMO RIKO CO LTD·Filed 2015·Granted Nov 8, 2016·4 cites·9 claims
- 0989US4189420APolyolefin resin composition and method for making polyolefin filmMITSUBISHI CHEM IND·Filed 1978·Granted Feb 19, 1980·47 cites·15 claims
- 1088US8504861B2Data processing system having power capping function in response to output state of power supply moduleSAWAI RYO·Filed 2011·Granted Aug 6, 2013·9 cites·11 claims
- 1188US7419144B2Fluid filled vibration damping deviceTOKAI RUBBER IND LTD·Filed 2005·Granted Sep 2, 2008·18 cites·12 claims
- 1288US4685437AIntake air heater for internal combustion engine with perforated plate heater element partially traversing air passageTOYOTA MOTOR CO LTD·Filed 1985·Granted Aug 11, 1987·46 cites·3 claims
- 1387USD748677STractorKUBOTA KK·Filed 2014·Granted Feb 2, 2016·41 cites·1 claims
- 1487US7530923B2Shift control apparatus for automatic transmissionHONDA MOTOR CO LTD·Filed 2006·Granted May 12, 2009·14 cites·5 claims
- 1585US12370575B2Electrostatic transducer and electrostatic transducer unitSUMITOMO RIKO CO LTD·Filed 2021·Granted Jul 29, 2025·1 cites·8 claims
- 1685US11265658B2Transducer and manufacturing method thereofSUMITOMO RIKO CO LTD·Filed 2020·Granted Mar 1, 2022·2 cites·57 claims
- 1785US8573569B2Active vibration damper and method of manufacturing active vibration damperHASEGAWA KOICHI·Filed 2010·Granted Nov 5, 2013·10 cites·8 claims
- 1885US7725520B2ProcessorSONY CORP·Filed 2005·Granted May 25, 2010·14 cites·15 claims
- 1985US7555967B2Shift control apparatus for automatic transmissionHONDA MOTOR CO LTD·Filed 2006·Granted Jul 7, 2009·14 cites·2 claims
- 2085US6508343B2Vibration damperHONDA MOTOR CO LTD·Filed 2001·Granted Jan 21, 2003·44 cites·8 claims
- 2184US6854721B2Vibration-damping deviceTOKAI RUBBER IND LTD·Filed 2002·Granted Feb 15, 2005·25 cites·20 claims
- 2283US11092677B2Time measurement device and time measurement unitSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2018·Granted Aug 17, 2021·1 cites·22 claims
- 2383US7785525B2RTM molding methodMITSUBISHI HEAVY IND LTD·Filed 2006·Granted Aug 31, 2010·7 cites·4 claims
- 2483US5971889ASolenoid self-cleaning pressure valve for automatic vehicle transmissionHONDA MOTOR CO LTD·Filed 1998·Granted Oct 26, 1999·36 cites·19 claims
- 2582US9054398B2Cooling structure for batteries and electrical unitsOHKUMA KANAE·Filed 2008·Granted Jun 9, 2015·8 cites·11 claims
- 2681US7798486B2Image forming apparatus including sheet container with handleRICOH KK·Filed 2006·Granted Sep 21, 2010·6 cites·18 claims
- 2780US12164038B2Distance measuring device, vehicle-mounted system, and distance measuring methodSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2020·Granted Dec 10, 2024·1 cites·17 claims
- 2880US6554112B2Vibration-damping device for vehicleTOKAI RUBBER IND LTD·Filed 2001·Granted Apr 29, 2003·23 cites·15 claims
- 2980US2024353559A1Ranging device and ranging methodSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2024·Application pending·0 cites
- 3079US11065832B2Bladder bag and molding method of composite materialMITSUBISHI HEAVY IND LTD·Filed 2017·Granted Jul 20, 2021·1 cites·28 claims
- 3179US10361355B2Power generation systemSUMITOMO RIKO CO LTD·Filed 2016·Granted Jul 23, 2019·3 cites·16 claims
- 3279US7313645B2Processor to reduce data rearrangement instructions for matrices in multiple memory banksSONY CORP·Filed 2005·Granted Dec 25, 2007·10 cites·2 claims
- 3378US8104750B2Fluid filled vibration damping device and electric actuator for use in the sameHASEGAWA KOICHI·Filed 2008·Granted Jan 31, 2012·8 cites·19 claims
- 3477USD535310SCabin of a tractorKUBOTA KK·Filed 2005·Granted Jan 16, 2007·23 cites·1 claims
- 3576US9307663B2External operation detection structure bodyTOKAI RUBBER IND LTD·Filed 2013·Granted Apr 5, 2016·3 cites·12 claims
- 3676US8890649B2Bending sensor and deformed shape measurement methodSAITOU YUUKI·Filed 2010·Granted Nov 18, 2014·6 cites·12 claims
- 3775US11750981B2Transducer and method for manufacturing sameSUMITOMO RIKO CO LTD·Filed 2019·Granted Sep 5, 2023·2 cites·26 claims
- 3875US8158276B2FePtP-alloy magnetic thin filmHASEGAWA KOICHI·Filed 2007·Granted Apr 17, 2012·2 cites·16 claims
- 3974US8652381B2Resin transfer molding device and resin transfer molding methodMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Feb 18, 2014·1 cites·18 claims
- 4074US5853350AControl device for lockup clutchHONDA MOTOR CO LTD·Filed 1996·Granted Dec 29, 1998·27 cites·3 claims
- 4173US7205800B2Clock frequency divider circuitSONY CORP·Filed 2005·Granted Apr 17, 2007·7 cites·10 claims
- 4272US8133432B2Conductive materialHASEGAWA KOICHI·Filed 2009·Granted Mar 13, 2012·4 cites·2 claims
- 4372US7949696B2Floating-point number arithmetic circuit for handling immediate valuesSONY CORP·Filed 2005·Granted May 24, 2011·6 cites·11 claims
- 4471US7462678B2Film forming composition, process for producing film forming composition, insulating film forming material, process for forming film, and silica-based filmJSR CORP·Filed 2004·Granted Dec 9, 2008·16 cites·16 claims
- 4570US12332385B2Time measurement device and time measurement unitSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2021·Granted Jun 17, 2025·0 cites·18 claims
- 4670US8492087B2Method of judging risk for onset of drug-induced granulocytopeniaSUEMATSU KOJI·Filed 2010·Granted Jul 23, 2013·1 cites·8 claims
- 4770US2025235138A1Health information service providing device for mobility user, and health information service providing device for riderSUMITOMO RIKO CO LTD·Filed 2025·Application pending·0 cites
- 4868US9735710B2Power generator having a multiple-degree-of-freedom vibration system and a power generating element attached to the vibration system while converting vibration energy of a vibrating member to electrical energySUMITOMO RIKO CO LTD·Filed 2015·Granted Aug 15, 2017·1 cites·7 claims
- 4967US6719108B2Virbration damping device for vehiclesTOKAI RUBBER IND LTD·Filed 2001·Granted Apr 13, 2004·17 cites·15 claims
- 5066US2023147883A1Method for prodcing cardiomyocytes from induced pluripotent stem cells in an integrated processETEZADI FATEMEH·Filed 2022·Application pending·0 cites
Showing the top 50 of 134 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Koichi Hasegawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →