Inventor
TAKAHASHI HIDEKI
JP191 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
23 patentsUS5864159AJan 26, 1999
Insulated gate semiconductor device structure to prevent a reduction in breakdown voltage
MITSUBISHI ELECTRIC CORP158 citations99
US5389815AFeb 14, 1995
Semiconductor diode with reduced recovery current
MITSUBISHI ELECTRIC CORP162 citations99
US5751024AMay 12, 1998
Insulated gate semiconductor device
MITSUBISHI ELECTRIC CORP119 citations98
US6768168B1Jul 27, 2004
Insulated gate semiconductor device with low on voltage and manufacturing method thereof
MITSUBISHI ELECTRIC CORP60 citations96
US6221721B1Apr 24, 2001
Method of manufacturing an insulated trench gate semiconductor device
MITSUBISHI ELECTRIC CORP77 citations96
US6118150ASep 12, 2000
Insulated gate semiconductor device and method of manufacturing the same
MITSUBISHI ELECTRIC CORP67 citations96
US6040599AMar 21, 2000
Insulated trench semiconductor device with particular layer structure
MITSUBISHI ELECTRIC CORP65 citations96
US6001678ADec 14, 1999
Insulated gate semiconductor device
MITSUBISHI ELECTRIC CORP74 citations96
US5801408ASep 1, 1998
Insulated gate semiconductor device and method of manufacturing the same
MITSUBISHI ELECTRIC CORP75 citations96
US5569941AOct 29, 1996
Insulated gate semiconductor device with a buried gapped semiconductor region
MITSUBISHI ELECTRIC CORP74 citations96
US8008711B2Aug 30, 2011
Insulated gate transistor incorporating diode
MITSUBISHI ELECTRIC CORP19 citations93
US7154145B2Dec 26, 2006
Insulated gate transistor incorporating diode
MITSUBISHI ELECTRIC CORP28 citations93
US6781199B2Aug 24, 2004
Semiconductor device having first and second trenches with no control electrode formed in the second trench
MITSUBISHI ELECTRIC CORP56 citations93
US6008518ADec 28, 1999
Transistor and method of manufacturing the same
MITSUBISHI ELECTRIC CORP28 citations93
US5981981ANov 9, 1999
Semiconductor device including a bipolar structure
MITSUBISHI ELECTRIC CORP28 citations93
US5960264ASep 28, 1999
Method of manufacturing an insulated gate semiconductor device
MITSUBISHI ELECTRIC CORP24 citations93
US6838321B2Jan 4, 2005
Semiconductor substrate with defects reduced or removed and method of manufacturing the same, and semiconductor device capable of bidirectionally retaining breakdown voltage and method of manufacturing the same
MITSUBISHI ELECTRIC CORP22 citations92
US6734497B2May 11, 2004
Insulated gate bipolar transistor, semiconductor device, method of manufacturing insulated-gate bipolar transistor, and method of manufacturing semiconductor device
MITSUBISHI ELECTRIC CORP34 citations92
US6472693B1Oct 29, 2002
Semiconductor device and method of manufacturing the same
MITSUBISHI ELECTRIC CORP21 citations92
US6331466B1Dec 18, 2001
Insulated gate semiconductor device and manufacturing method thereof
MITSUBISHI ELECTRIC CORP37 citations92
US6323508B1Nov 27, 2001
Insulated gate semiconductor device and manufacturing method thereof
MITSUBISHI ELECTRIC CORP28 citations92
US6107650AAug 22, 2000
Insulated gate semiconductor device and manufacturing method thereof
MITSUBISHI ELECTRIC CORP38 citations92
US7211837B2May 1, 2007
Insulated gate semiconductor device
MITSUBISHI ELECTRIC CORP20 citations91
TOSHIBA KK
13 patentsUS7002882B2Feb 21, 2006
Information recording medium capable of defect management, information recording apparatus capable of defect management, and information playback apparatus for playing back information from defect-managed medium
TOSHIBA KK156 citations99
US6662309B2Dec 9, 2003
Information recording device and a method of recording information by setting the recording area based on contiguous data area
TOSHIBA KK77 citations99
US6373800B1Apr 16, 2002
Information recording apparatus and method with replacement process
TOSHIBA KK194 citations99
US5914928AJun 22, 1999
Information recording disk having replacement area
TOSHIBA KK311 citations99
US5878020AMar 2, 1999
Information recording disk with management areas
TOSHIBA KK340 citations99
US6385744B1May 7, 2002
Data recording medium, data recording method and data reproducing method
TOSHIBA KK122 citations98
US6651135B2Nov 18, 2003
Information recording device and a method of recording information by setting the recording area based on contiguous data area
TOSHIBA KK45 citations96
US6594725B2Jul 15, 2003
Information recording method apparatus and storage medium for recording information length as part of file entry information
TOSHIBA KK44 citations96
US6530037B2Mar 4, 2003
Information recording device and a method of recording information by setting the recording area based on contiguous data area
TOSHIBA KK38 citations96
US6493302B2Dec 10, 2002
Information recording apparatus and method with replacement process
TOSHIBA KK54 citations96
US6560181B1May 6, 2003
Information recording medium which records information that pertains to integrity
TOSHIBA KK22 citations93
US6609175B1Aug 19, 2003
Information recording method, information recording device, and information storage medium
TOSHIBA KK19 citations92
US6571309B2May 27, 2003
Information recording method apparatus and storage medium for recording information length and file type as part of file entry information
TOSHIBA KK15 citations92
KONICA MINOLTA HOLDINGS INC
2 patentsUS7278586B2Oct 9, 2007
IC card, IC card manufacturing method, IC card manufacturing apparatus and IC card judgment system
KONICA MINOLTA HOLDINGS INC23 citations92
US7143953B2Dec 5, 2006
IC card, IC card manufacturing method, IC card manufacturing apparatus and IC card judgement system
KONICA MINOLTA HOLDINGS INC25 citations92
KONISHIROKU PHOTO IND
2 patentsUNITIKA LTD
2 patentsMITSUBISHI CHEM CORP
1 patentNIPPON SEIKO KK
1 patentTAKEDA CHEMICAL INDUSTRIES LTD
1 patentENSUIKO SUGAR REFINING
1 patentSANYO ELECTRIC CO
1 patentALPINE ELECTRONICS INC
1 patentSONY CORP
1 patentMIYOSHI KASEI INC
1 patentShowing the top 50 of 191 patents by PatentIndex Score.