P

Inventor

HASEGAWA KOICHI

JP108 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HONDA MOTOR CO LTD

9 patents
US5971889AOct 26, 1999

Solenoid self-cleaning pressure valve for automatic vehicle transmission

HONDA MOTOR CO LTD36 citations92
US5853350ADec 29, 1998

Control device for lockup clutch

HONDA MOTOR CO LTD27 citations92
US7919203B2Apr 5, 2011

Battery box structure, inter-locking structure of electrical equipment box, and electrical equipment box structure

HONDA MOTOR CO LTD35 citations91
US6508343B2Jan 21, 2003

Vibration damper

HONDA MOTOR CO LTD44 citations89
US7530923B2May 12, 2009

Shift control apparatus for automatic transmission

HONDA MOTOR CO LTD14 citations84
US5893438AApr 13, 1999

Control device for lockup clutch

HONDA MOTOR CO LTD17 citations83
US7555967B2Jul 7, 2009

Shift control apparatus for automatic transmission

HONDA MOTOR CO LTD14 citations82
US5795266AAug 18, 1998

Control device for lockup clutch

HONDA MOTOR CO LTD12 citations73
US5967941AOct 19, 1999

Control system for automatic vehicle transmission

HONDA MOTOR CO LTD12 citations72

TOKAI RUBBER IND LTD

7 patents
US6854721B2Feb 15, 2005

Vibration-damping device

TOKAI RUBBER IND LTD25 citations92
US6536566B2Mar 25, 2003

Vibration-damping device for vehicles

TOKAI RUBBER IND LTD39 citations92
US6554112B2Apr 29, 2003

Vibration-damping device for vehicle

TOKAI RUBBER IND LTD23 citations90
US6719108B2Apr 13, 2004

Virbration damping device for vehicles

TOKAI RUBBER IND LTD17 citations84
US7419144B2Sep 2, 2008

Fluid filled vibration damping device

TOKAI RUBBER IND LTD18 citations82
US6494444B2Dec 17, 2002

Vibration damping device for vehicles

TOKAI RUBBER IND LTD8 citations74
US9307663B2Apr 5, 2016

External operation detection structure body

TOKAI RUBBER IND LTD3 citations73

SUMITOMO RIKO CO LTD

6 patents
US11750981B2Sep 5, 2023

Transducer and method for manufacturing same

SUMITOMO RIKO CO LTD2 citations72
US11641554B2May 2, 2023

Transducer and manufacturing method thereof

SUMITOMO RIKO CO LTD2 citations72
US11265658B2Mar 1, 2022

Transducer and manufacturing method thereof

SUMITOMO RIKO CO LTD2 citations72
US10361355B2Jul 23, 2019

Power generation system

SUMITOMO RIKO CO LTD3 citations72
US9490729B2Nov 8, 2016

Magnetostrictive vibration power generation device

SUMITOMO RIKO CO LTD4 citations72
US12370575B2Jul 29, 2025

Electrostatic transducer and electrostatic transducer unit

SUMITOMO RIKO CO LTD1 citations63

SONY CORP

4 patents
US7725520B2May 25, 2010

Processor

SONY CORP14 citations84
US7313645B2Dec 25, 2007

Processor to reduce data rearrangement instructions for matrices in multiple memory banks

SONY CORP10 citations84
US7205800B2Apr 17, 2007

Clock frequency divider circuit

SONY CORP7 citations74
US6020835AFeb 1, 2000

Code decoding apparatus

SONY CORP9 citations74

SHOWA DENKO KK

4 patents
US5986288ANov 16, 1999

Epitaxial wafer for a light-emitting diode and a light-emitting diode

SHOWA DENKO KK13 citations74
US5665984ASep 9, 1997

Light-emitting diode

SHOWA DENKO KK13 citations73
US6144044ANov 7, 2000

Gallium phosphide green light-emitting device

SHOWA DENKO KK8 citations72
US5534717AJul 9, 1996

Epitaxial wafer for light-emitting diode

SHOWA DENKO KK7 citations71

HASEGAWA KOICHI

3 patents
US9002560B2Apr 7, 2015

Control device of a vehicle

HASEGAWA KOICHI31 citations94
US8573569B2Nov 5, 2013

Active vibration damper and method of manufacturing active vibration damper

HASEGAWA KOICHI10 citations83
US8104750B2Jan 31, 2012

Fluid filled vibration damping device and electric actuator for use in the same

HASEGAWA KOICHI8 citations83

KUBOTA KK

3 patents
USD535310SJan 16, 2007

Cabin of a tractor

KUBOTA KK23 citations92
USD748677SFeb 2, 2016

Tractor

KUBOTA KK41 citations91
US7290829B2Nov 6, 2007

Working vehicle with a cab

KUBOTA KK32 citations91

MITSUBISHI CHEM IND

2 patents
US4087505AMay 2, 1978

Process for preparing tacky polyolefin film

MITSUBISHI CHEM IND50 citations95
US4189420AFeb 19, 1980

Polyolefin resin composition and method for making polyolefin film

MITSUBISHI CHEM IND47 citations92

SONY SEMICONDUCTOR SOLUTIONS CORP

2 patents
US12332385B2Jun 17, 2025

Time measurement device and time measurement unit

SONY SEMICONDUCTOR SOLUTIONS CORP0 citations63
US11092677B2Aug 17, 2021

Time measurement device and time measurement unit

SONY SEMICONDUCTOR SOLUTIONS CORP1 citations63

HITACHI LTD

1 patent
USD315598SMar 19, 1991

Electric fan

HITACHI LTD120 citations96

TOYOTA MOTOR CO LTD

1 patent
US4685437AAug 11, 1987

Intake air heater for internal combustion engine with perforated plate heater element partially traversing air passage

TOYOTA MOTOR CO LTD46 citations92

SAWAI RYO

1 patent
US8504861B2Aug 6, 2013

Data processing system having power capping function in response to output state of power supply module

SAWAI RYO9 citations82

JSR CORP

1 patent
US7462678B2Dec 9, 2008

Film forming composition, process for producing film forming composition, insulating film forming material, process for forming film, and silica-based film

JSR CORP16 citations82

OHKUMA KANAE

1 patent
US9054398B2Jun 9, 2015

Cooling structure for batteries and electrical units

OHKUMA KANAE8 citations79

MITSUBISHI HEAVY IND LTD

1 patent
US7785525B2Aug 31, 2010

RTM molding method

MITSUBISHI HEAVY IND LTD7 citations73

SHINETSU HANDOTAI KK

1 patent
US6458205B1Oct 1, 2002

Silicon epitaxial wafer and its manufacturing method

SHINETSU HANDOTAI KK6 citations73

MITSUBISHI ELECTRIC CORP

1 patent
US5359241AOct 25, 1994

ECL circuit

MITSUBISHI ELECTRIC CORP16 citations72

YAMAMOTO SEIICHIRO

1 patent
US9068625B2Jun 30, 2015

Fluid-filled type vibration damping device

YAMAMOTO SEIICHIRO4 citations68

SAITOU YUUKI

1 patent
US8890649B2Nov 18, 2014

Bending sensor and deformed shape measurement method

SAITOU YUUKI6 citations66

Showing the top 50 of 108 patents by PatentIndex Score.