Inventor
OHASHI HIROMICHI
JP46 patents
⚠️ This page may combine multiple inventors who share the name “OHASHI HIROMICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
33 patentsUS6750508B2Jun 15, 2004
Power semiconductor switching element provided with buried electrode
TOSHIBA KK190 citations99
US6037632AMar 14, 2000
Semiconductor device
TOSHIBA KK293 citations99
US6933544B2Aug 23, 2005
Power semiconductor device
TOSHIBA KK72 citations98
US6153896ANov 28, 2000
Semiconductor device and control method thereof
TOSHIBA KK97 citations97
US4672407AJun 9, 1987
Conductivity modulated MOSFET
TOSHIBA KK83 citations97
US6940090B2Sep 6, 2005
Wideband gap having a low on-resistance and having a high avalanche capability
TOSHIBA KK43 citations96
US5747926AMay 5, 1998
Ferroelectric cold cathode
TOSHIBA KK72 citations96
US4928155AMay 22, 1990
Lateral conductivity modulated MOSFET
TOSHIBA KK54 citations96
US4782372ANov 1, 1988
Lateral conductivity modulated MOSFET
TOSHIBA KK33 citations96
US4738935AApr 19, 1988
Method of manufacturing compound semiconductor apparatus
TOSHIBA KK53 citations96
US7238576B2Jul 3, 2007
Semiconductor device and method of manufacturing the same
TOSHIBA KK30 citations93
US5977693ANov 2, 1999
Micro-vacuum device
TOSHIBA KK22 citations93
US5714775AFeb 3, 1998
Power semiconductor device
TOSHIBA KK36 citations93
US4689647AAug 25, 1987
Conductivity modulated field effect switch with optimized anode emitter and anode base impurity concentrations
TOSHIBA KK39 citations93
US6534998B1Mar 18, 2003
Semiconductor device and control method thereof
TOSHIBA KK16 citations92
US6057636AMay 2, 2000
Micro power switch using a cold cathode and a driving method thereof
TOSHIBA KK42 citations92
US5286984AFeb 15, 1994
Conductivity modulated MOSFET
TOSHIBA KK27 citations92
US5093701AMar 3, 1992
Conductivity modulated mosfet
TOSHIBA KK22 citations92
US4717940AJan 5, 1988
MIS controlled gate turn-off thyristor
TOSHIBA KK32 citations92
US4700466AOct 20, 1987
Method of manufacturing semiconductor device wherein silicon substrates are bonded together
TOSHIBA KK27 citations92
US6323717B1Nov 27, 2001
Semiconductor device, drive method, and drive apparatus
TOSHIBA KK46 citations91
US5006921AApr 9, 1991
Power semiconductor switching apparatus with heat sinks
TOSHIBA KK25 citations88
US7531871B2May 12, 2009
Power semiconductor switching element
TOSHIBA KK8 citations84
US7244974B2Jul 17, 2007
wideband gap power semiconductor device having a low on-resistance and having a high avalanche capability used for power control
TOSHIBA KK13 citations84
US7067870B2Jun 27, 2006
Power semiconductor switching element
TOSHIBA KK12 citations84
US6025622AFeb 15, 2000
Conductivity modulated MOSFET
TOSHIBA KK14 citations82
US5086323AFeb 4, 1992
Conductivity modulated mosfet
TOSHIBA KK18 citations82
US4881120ANov 14, 1989
Conductive modulated MOSFET
TOSHIBA KK16 citations82
US7102179B2Sep 5, 2006
Power semiconductor device used for power control
TOSHIBA KK8 citations74
US5780887AJul 14, 1998
Conductivity modulated MOSFET
TOSHIBA KK3 citations74
US4791470ADec 13, 1988
Reverse conducting gate turn-off thyristor device
TOSHIBA KK17 citations72
US5028974AJul 2, 1991
Semiconductor switching device with anode shortening structure
TOSHIBA KK19 citations70
US5212396AMay 18, 1993
Conductivity modulated field effect transistor with optimized anode emitter and anode base impurity concentrations
TOSHIBA KK6 citations63
TOKYO SHIBAURA ELECTRIC CO
4 patentsUS4368481AJan 11, 1983
Light-driven semiconductor device
TOKYO SHIBAURA ELECTRIC CO57 citations91
US4649410AMar 10, 1987
Radiation controllable thyristor with multiple non-concentric amplified stages
TOKYO SHIBAURA ELECTRIC CO5 citations63
US4595939AJun 17, 1986
Radiation-controllable thyristor with multiple, non-concentric amplified stages
TOKYO SHIBAURA ELECTRIC CO5 citations63
US4546369AOct 8, 1985
Light-activated amplified gate bi-directional thyristor
TOKYO SHIBAURA ELECTRIC CO0 citations38
NITTO DENKO CORP
4 patentsUS7922843B2Apr 12, 2011
Method and system for laminating optical elements
NITTO DENKO CORP9 citations83
US7913734B2Mar 29, 2011
Method and system for laminating optical elements
NITTO DENKO CORP11 citations83
US8045151B2Oct 25, 2011
Laminated film defect inspection method and laminated film defect inspection device
NITTO DENKO CORP4 citations63
US7908026B2Mar 15, 2011
Apparatus for testing defects of sheet-shaped product having optical film, apparatus for processing test data thereof, apparatus for cutting the same, and production thereof
NITTO DENKO CORP4 citations63
NAT INST OF ADVANCED IND SCIEN
2 patentsOHASHI HIROMICHI
2 patentsUS8149376B2Apr 3, 2012
Test data processing apparatus and test data processing method
OHASHI HIROMICHI5 citations60
US8078307B2Dec 13, 2011
Apparatus for testing defects of sheet-shaped product having optical film, apparatus for processing test data thereof, apparatus for cutting the same, and production thereof
OHASHI HIROMICHI1 citations50