Inventor
SHIMIZU HIROFUMI
JP48 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSAN MOTOR
17 patentsUS6561941B2May 13, 2003
Infinite speed ratio transmission
NISSAN MOTOR32 citations93
US7355311B2Apr 8, 2008
Rotor of axial gap motor and method of producing same
NISSAN MOTOR21 citations92
US6569051B2May 27, 2003
Infinite speed ratio continuously variable transmission
NISSAN MOTOR27 citations92
US5916293AJun 29, 1999
Lockup control apparatus
NISSAN MOTOR33 citations92
US7028386B2Apr 18, 2006
Rotor body and production method thereof
NISSAN MOTOR28 citations91
US6517461B2Feb 11, 2003
Infinitely variable transmission
NISSAN MOTOR20 citations84
US9566851B2Feb 14, 2017
Mounting structure of high voltage unit for electric vehicle
NISSAN MOTOR7 citations82
US7001297B2Feb 21, 2006
Hybrid transmission
NISSAN MOTOR9 citations74
US6958027B2Oct 25, 2005
Hybrid transmission
NISSAN MOTOR8 citations74
US6848831B2Feb 1, 2005
Rotation shaft support structure of a motor/generator
NISSAN MOTOR10 citations74
US6565481B2May 20, 2003
Input torque limiting device for an infinitely variable transmission
NISSAN MOTOR12 citations74
US6302819B1Oct 16, 2001
Infinite speed ratio transmission device
NISSAN MOTOR12 citations74
US10680488B2Jun 9, 2020
In-vehicle drive device with cooling channels
NISSAN MOTOR2 citations73
US9647514B2May 9, 2017
Motor control unit having integrated inverter unit
NISSAN MOTOR3 citations70
US10505427B2Dec 10, 2019
Rotating electrical machine system
NISSAN MOTOR2 citations69
US7271514B2Sep 18, 2007
Rotor structure
NISSAN MOTOR3 citations63
US9561762B2Feb 7, 2017
Electric unit
NISSAN MOTOR1 citations49
HITACHI LTD
6 patentsUS6174222B1Jan 16, 2001
Process for fabrication of semiconductor device, semiconductor wafer for use in the process and process for the preparation of the wafer
HITACHI LTD56 citations94
US6559027B2May 6, 2003
Semiconductor device and process for producing the sme
HITACHI LTD26 citations92
US6242323B1Jun 5, 2001
Semiconductor device and process for producing the same
HITACHI LTD28 citations92
US6057241AMay 2, 2000
Method of manufacturing a semiconductor integrated circuit device
HITACHI LTD27 citations92
US6226079B1May 1, 2001
Defect assessing apparatus and method, and semiconductor manufacturing method
HITACHI LTD35 citations91
US4116719ASep 26, 1978
Method of making semiconductor device with PN junction in stacking-fault free zone
HITACHI LTD34 citations88
SONY CORP
5 patentsUS7342986B2Mar 11, 2008
Digital PLL device
SONY CORP17 citations83
US7653346B2Jan 26, 2010
Communication terminal device, communication system, communication method, and program
SONY CORP3 citations62
US7730366B2Jun 1, 2010
Phase error determination method and digital phase-locked loop system
SONY CORP4 citations61
US7469367B2Dec 23, 2008
Phase error determination method and digital phase-locked loop system
SONY CORP2 citations61
US7315968B2Jan 1, 2008
Phase error determination method and digital phase-locked loop system
SONY CORP2 citations61
SUBARU CORP
5 patentsUS10807496B2Oct 20, 2020
Vehicle power supply apparatus
SUBARU CORP2 citations73
US10934989B2Mar 2, 2021
Vehicle control apparatus
SUBARU CORP0 citations52
US10800417B2Oct 13, 2020
Control apparatus for vehicle
SUBARU CORP0 citations42
US10730520B2Aug 4, 2020
Vehicle control apparatus
SUBARU CORP0 citations42
US10538248B2Jan 21, 2020
Control apparatus for vehicle
SUBARU CORP0 citations42
MITSUBISHI HEAVY IND LTD
3 patentsUS10616989B2Apr 7, 2020
Plasma generation apparatus including measurement device and plasma thruster
MITSUBISHI HEAVY IND LTD3 citations73
US10260487B2Apr 16, 2019
MPD thruster that accelerates electrodeless plasma and electrodeless plasma accelerating method using MPD thruster
MITSUBISHI HEAVY IND LTD2 citations69
US10539122B2Jan 21, 2020
Plasma accelerating apparatus and plasma accelerating method
MITSUBISHI HEAVY IND LTD1 citations58