Inventor
KANEKO YUJIRO
JP49 patents
⚠️ This page may combine multiple inventors who share the name “KANEKO YUJIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
16 patentsUS5974025AOct 26, 1999
Optical recording medium and recording and reproducing method using the same
RICOH KK109 citations97
US6373802B1Apr 16, 2002
Method and apparatus for initializing optical recording media
RICOH KK34 citations96
US6319368B1Nov 20, 2001
Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of forming recording layer for the optical recording medium
RICOH KK46 citations96
US5736657AApr 7, 1998
Sputtering target
RICOH KK86 citations96
US6445669B1Sep 3, 2002
Initialization of phase-change optical recording medium
RICOH KK73 citations95
US6652806B2Nov 25, 2003
Method of producing a sputtering target
RICOH KK14 citations93
US4690861ASep 1, 1987
Magneto optical recording medium
RICOH KK27 citations92
US5251202AOct 5, 1993
Optical information recording medium having multi-layered structures for preventing undesired reflection and electric charging
RICOH KK31 citations89
US7288224B2Oct 30, 2007
Method of producing a sputtering target
RICOH KK8 citations74
US6775213B2Aug 10, 2004
Method and apparatus for initializing optical recording media
RICOH KK3 citations73
US6580672B2Jun 17, 2003
Method and apparatus for initializing optical recording media
RICOH KK4 citations73
US5536589AJul 16, 1996
Magneto-optical recording medium
RICOH KK5 citations63
US6760291B2Jul 6, 2004
Method and apparatus for initializing optical recording media
RICOH KK2 citations62
US7447138B2Nov 4, 2008
Method and apparatus for initializing optical recording media
RICOH KK0 citations52
US6990053B2Jan 24, 2006
Method and apparatus for initializing optical recording media
RICOH KK0 citations52
USRE39901EOct 30, 2007
Initialization of phase-change optical recording medium
RICOH KK0 citations51
HITACHI AUTOMOTIVE SYSTEMS LTD
12 patentsUS10034401B2Jul 24, 2018
Power semiconductor device and power conversion device
HITACHI AUTOMOTIVE SYSTEMS LTD6 citations84
US11432419B2Aug 30, 2022
Power semiconductor device and power conversion device
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations73
US10986741B2Apr 20, 2021
Electronic control device
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US10517181B2Dec 24, 2019
Electronic control device and manufacturing method for same
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations73
US10512181B2Dec 17, 2019
Power semiconductor device and power conversion device
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations73
US10501031B2Dec 10, 2019
Electronic control device
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations73
US10396010B2Aug 27, 2019
Onboard control device
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations73
US10641409B2May 5, 2020
Driver and driver-integrated electric actuator
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations62
US11956908B2Apr 9, 2024
Electronic control unit and method for manufacturing electronic control unit
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US10829064B2Nov 10, 2020
Electronic control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US10699917B2Jun 30, 2020
Resin-sealed vehicle-mounted control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US10881014B2Dec 29, 2020
Electronic control device, and manufacturing method for vehicle-mounted electronic control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations42
HITACHI ASTEMO LTD
10 patentsUS12588171B2Mar 24, 2026
Heat exchange device and power conversion device
HITACHI ASTEMO LTD0 citations62
US12368386B2Jul 22, 2025
Power conversion device and method for manufacturing power conversion device
HITACHI ASTEMO LTD0 citations62
US12283536B2Apr 22, 2025
Power semiconductor device and manufacturing method of power semiconductor device
HITACHI ASTEMO LTD0 citations62
US11967584B2Apr 23, 2024
Power semiconductor device
HITACHI ASTEMO LTD0 citations62
US11961780B2Apr 16, 2024
Semiconductor module, power conversion device, and manufacturing method of semiconductor module
HITACHI ASTEMO LTD1 citations62
US12519045B2Jan 6, 2026
Semiconductor device with first and second conductors and plated layer and method for manufacturing semiconductor device
HITACHI ASTEMO LTD0 citations57
US12506133B2Dec 23, 2025
Electric circuit body, power conversion device, and method for manufacturing electric circuit body
HITACHI ASTEMO LTD0 citations52
US12424508B2Sep 23, 2025
Power module
HITACHI ASTEMO LTD0 citations52
US12599027B2Apr 7, 2026
Electric circuit body and power conversion device
HITACHI ASTEMO LTD0 citations51
US12506046B2Dec 23, 2025
Electric circuit body, power converter, and method for manufacturing electric circuit body
HITACHI ASTEMO LTD0 citations51
KANEKO YUJIRO
3 patentsFUJI PHOTO FILM CO LTD
3 patentsUS4816382AMar 28, 1989
Method of producing plate making masks and film for forming masks
FUJI PHOTO FILM CO LTD4 citations63
US4663850AMay 12, 1987
Moire simulator and method of using same
FUJI PHOTO FILM CO LTD3 citations54
US4375031AFeb 22, 1983
Method and device for measuring a degree of exhaustion of photographic processing solutions
FUJI PHOTO FILM CO LTD1 citations48