Inventor
ISHIDA TOSHIHIKO
JP57 patents
⚠️ This page may combine multiple inventors who share the name “ISHIDA TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
15 patentsUS5112025AMay 12, 1992
Molds having wear resistant release coatings
TDK CORP107 citations96
US4726758AFeb 23, 1988
Mold
TDK CORP75 citations95
US5340698AAug 23, 1994
Optical disk
TDK CORP22 citations93
US5209027AMay 11, 1993
Polishing of the rear surface of a stamper for optical disk reproduction
TDK CORP55 citations92
US5966360AOct 12, 1999
Cleaning disc cartridge
TDK CORP10 citations74
US5219708AJun 15, 1993
Optical disk
TDK CORP13 citations74
US5057960AOct 15, 1991
Hub for a disk type recording medium
TDK CORP8 citations74
US5010435AApr 23, 1991
Hub for a disk type recording medium
TDK CORP9 citations74
US4546936AOct 15, 1985
Magnetic tape cassette casing
TDK CORP8 citations74
US5316466AMay 31, 1994
Disc molding apparatus
TDK CORP13 citations72
US5092758AMar 3, 1992
Disc molding apparatus
TDK CORP16 citations72
US4646916AMar 3, 1987
Molded magnetic tape cassette case having improved gate mark location
TDK CORP8 citations72
US4837651AJun 6, 1989
Disc cartridge
TDK CORP4 citations63
US4511099AApr 16, 1985
Hub of a tape cassette
TDK CORP4 citations59
US4779157AOct 18, 1988
A Shaft having a groove for a video tape cartridge and metallic molds for its preparation
TDK CORP1 citations52
TDK ELECTRONICS CO LTD
10 patentsUS4466036AAug 14, 1984
Magnetic tape cassette
TDK ELECTRONICS CO LTD15 citations74
US4376519AMar 15, 1983
Lubricant sheet for magnetic tape cassette
TDK ELECTRONICS CO LTD9 citations74
US4349166ASep 14, 1982
Magnetic tape cassette
TDK ELECTRONICS CO LTD7 citations74
US4333620AJun 8, 1982
Tape cassette
TDK ELECTRONICS CO LTD7 citations74
US4314299AFeb 2, 1982
Pad assembly for use in a magnetic tape cassette
TDK ELECTRONICS CO LTD11 citations74
US4289285ASep 15, 1981
Magnetic tape cassette
TDK ELECTRONICS CO LTD12 citations71
US4347933ASep 7, 1982
Case for holding magnetic tape cassette
TDK ELECTRONICS CO LTD5 citations63
US4257077AMar 17, 1981
Pressure pad and shielding plate for a tape cassette
TDK ELECTRONICS CO LTD4 citations63
US4254923AMar 10, 1981
Magnetic tape cassette
TDK ELECTRONICS CO LTD3 citations62
US4404245ASep 13, 1983
Protective sheet for cassette holding magnetic recording tape
TDK ELECTRONICS CO LTD0 citations52
ISHIDA TOSHIHIKO
9 patentsUS8757686B2Jun 24, 2014
Vehicle door handle device
ISHIDA TOSHIHIKO14 citations84
US8413379B2Apr 9, 2013
Step unit
ISHIDA TOSHIHIKO7 citations84
US8336259B2Dec 25, 2012
Vehicle door opening/closing apparatus
ISHIDA TOSHIHIKO8 citations83
US9260901B2Feb 16, 2016
Door-opening/closing device for use in vehicle
ISHIDA TOSHIHIKO8 citations82
US8125105B2Feb 28, 2012
Power supply device and construction machine
ISHIDA TOSHIHIKO14 citations79
US8622408B2Jan 7, 2014
Step unit
ISHIDA TOSHIHIKO6 citations72
US8727926B2May 20, 2014
Vehicle door driving device
ISHIDA TOSHIHIKO3 citations63
US8418827B2Apr 16, 2013
Driving device
ISHIDA TOSHIHIKO3 citations62
US8407940B2Apr 2, 2013
Vehicle door driving apparatus
ISHIDA TOSHIHIKO2 citations53
AISIN SEIKI
3 patentsHITACHI CONSTRUCTION MACH CO
3 patentsUS12224650B2Feb 11, 2025
Drive system having an induction generator with a main winding and auxiliary winding
HITACHI CONSTRUCTION MACH CO0 citations62
US11261578B2Mar 1, 2022
Work machine
HITACHI CONSTRUCTION MACH CO0 citations52
US10967744B2Apr 6, 2021
Electrically operated working vehicle
HITACHI CONSTRUCTION MACH CO0 citations52
AISIN CORP
2 patentsHIROKI TAKENORI
1 patentOKUMURA SHINYA
1 patentIZUMORI KEN
1 patentSUZUKI SEIICHI
1 patentOGURA CLUTCH CO LTD
1 patentFUSHIMI PHARMACEUTICAL CO LTD
1 patentTOGO SEISAKUSHO KK
1 patentCHOSHU INDUSTRY CO LTD
1 patentShowing the top 50 of 57 patents by PatentIndex Score.