Inventor
SUGIYAMA KOICHI
JP89 patents
⚠️ This page may combine multiple inventors who share the name “SUGIYAMA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
17 patentsUS7319579B2Jan 15, 2008
Snubber circuit
TOSHIBA KK73 citations98
US6566691B1May 20, 2003
Semiconductor device with trench gate having structure to promote conductivity modulation
TOSHIBA KK86 citations98
US7800168B2Sep 21, 2010
Power semiconductor device
TOSHIBA KK17 citations93
US7456487B2Nov 25, 2008
Semiconductor device
TOSHIBA KK28 citations93
US6891224B2May 10, 2005
Semiconductor device
TOSHIBA KK22 citations93
US6747295B2Jun 8, 2004
Semiconductor device with trench gate
TOSHIBA KK19 citations93
US6281569B1Aug 28, 2001
Pressure-contact semiconductor device
TOSHIBA KK29 citations93
US6040598AMar 21, 2000
High-breakdown-voltage semiconductor apparatus
TOSHIBA KK18 citations92
US6323717B1Nov 27, 2001
Semiconductor device, drive method, and drive apparatus
TOSHIBA KK46 citations91
US7639061B2Dec 29, 2009
Semiconductor device and capacitance regulation circuit
TOSHIBA KK8 citations84
US7772641B2Aug 10, 2010
Power semiconductor device with a plurality of gate electrodes
TOSHIBA KK15 citations82
US7268390B2Sep 11, 2007
Power semiconductor device
TOSHIBA KK9 citations74
US7141832B2Nov 28, 2006
Semiconductor device and capacitance regulation circuit
TOSHIBA KK7 citations74
US7075168B2Jul 11, 2006
Semiconductor device
TOSHIBA KK6 citations74
US7102207B2Sep 5, 2006
Semiconductor device having rectifying action
TOSHIBA KK8 citations70
US7781869B2Aug 24, 2010
Semiconductor device having rectifying action
TOSHIBA KK4 citations63
US7459751B2Dec 2, 2008
Insulated gate semiconductor device with small feedback capacitance and manufacturing method thereof
TOSHIBA KK3 citations63
SONY CORP
14 patentsUS6437933B1Aug 20, 2002
Recording medium for protecting copyrighted data
SONY CORP58 citations97
US5923486AJul 13, 1999
Recording and reproducing system for protecting copyrighted data
SONY CORP61 citations97
US5815631ASep 29, 1998
Apparatus and method for controlling an audio video systems
SONY CORP60 citations96
US5790743AAug 4, 1998
Apparatus and method for editing isochronous information transmitted among various devices
SONY CORP19 citations93
US7265927B2Sep 4, 2007
Recording medium and apparatus for protecting copyrighted digital data
SONY CORP11 citations92
US5548725AAug 20, 1996
System for transmitting command and/or data in a single packet and automatically reporting status a predetermined time after receiving a command
SONY CORP23 citations92
US6744588B2Jun 1, 2004
Recording medium and apparatus for protecting copyrighted digital data
SONY CORP11 citations82
US6687076B2Feb 3, 2004
Recording medium and apparatus for protecting copyrighted digital data
SONY CORP9 citations82
US7359137B2Apr 15, 2008
Recording medium and apparatus for protecting copyrighted digital data
SONY CORP2 citations74
US7277248B2Oct 2, 2007
Recording medium and apparatus for protecting copyrighted digital data
SONY CORP2 citations74
US6894860B2May 17, 2005
Recording medium and apparatus for protecting copyrighted digital data
SONY CORP4 citations74
US6490113B2Dec 3, 2002
Recording medium and apparatus for protecting copyrighted digital data
SONY CORP8 citations74
US5903702AMay 11, 1999
Apparatus and method for editing isochronous information transmitted among various devices
SONY CORP14 citations74
US5796352AAug 18, 1998
Audio video equipment system with bus line and method of establishing a connection setting for the audio video equipment system
SONY CORP16 citations74
FUJITSU LTD
4 patentsUS6800909B2Oct 5, 2004
Semiconductor device and method of manufacturing the same
FUJITSU LTD16 citations83
US7109128B2Sep 19, 2006
Semiconductor device and method of manufacturing the same
FUJITSU LTD9 citations72
US6475858B2Nov 5, 2002
Method of manufacturing semiconductor device
FUJITSU LTD9 citations72
US6384441B1May 7, 2002
Semiconductor device and method of manufacturing the same
FUJITSU LTD12 citations72
DENSO CORP
3 patentsTOYOTA MOTOR CO LTD
2 patentsUS6170864B1Jan 9, 2001
Activation control apparatus for passive vehicle occupant restraint and method of controlling activation of passive vehicle occupant restraint
TOYOTA MOTOR CO LTD66 citations95
US6347268B1Feb 12, 2002
Activation control apparatus for passive vehicle occupant restraint and method of controlling activation of passive vehicle occupant restraint
TOYOTA MOTOR CO LTD25 citations92
FUJITSU TEN LTD
2 patentsFUJI PHOTO FILM CO LTD
1 patentAISIN SEIKI
1 patentALPS ELECTRIC CO LTD
1 patentOGURA TSUNEO
1 patentTRW INC
1 patentYAZAKI CORP
1 patentSHARP KK
1 patentTOSHIBA TEC KK
1 patentShowing the top 50 of 89 patents by PatentIndex Score.