Inventor
NAKAYAMA KAZUYA
JP26 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA KAZUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
20 patentsUS5554862ASep 10, 1996
Power semiconductor device
TOSHIBA KK135 citations98
US5464994ANov 7, 1995
Insulated-gate thyristor
TOSHIBA KK45 citations96
US5381026AJan 10, 1995
Insulated-gate thyristor
TOSHIBA KK46 citations96
US6323831B1Nov 27, 2001
Electron emitting device and switching circuit using the same
TOSHIBA KK43 citations92
US6236069B1May 22, 2001
Insulated-gate thyristor
TOSHIBA KK26 citations92
US6057636AMay 2, 2000
Micro power switch using a cold cathode and a driving method thereof
TOSHIBA KK42 citations92
US6040598AMar 21, 2000
High-breakdown-voltage semiconductor apparatus
TOSHIBA KK18 citations92
US5793065AAug 11, 1998
Insulated-gate thyristor
TOSHIBA KK29 citations92
US5703383ADec 30, 1997
Power semiconductor device
TOSHIBA KK39 citations92
US6469425B1Oct 22, 2002
Electron emission film and field emission cold cathode device
TOSHIBA KK20 citations88
US5463231AOct 31, 1995
Method of operating thyristor with insulated gates
TOSHIBA KK13 citations74
US5428228AJun 27, 1995
Method of operating thyristor with insulated gates
TOSHIBA KK11 citations74
US7341900B2Mar 11, 2008
Semiconductor device and method for manufacturing the same
TOSHIBA KK2 citations63
US7034346B2Apr 25, 2006
Semiconductor device and method for manufacturing the same
TOSHIBA KK2 citations63
US7019361B2Mar 28, 2006
Semiconductor device and method of fabricating the same
TOSHIBA KK2 citations63
US6297586B1Oct 2, 2001
Cold-cathode power switching device of field-emission type
TOSHIBA KK3 citations63
US8008715B2Aug 30, 2011
Semiconductor device
TOSHIBA KK5 citations62
USRE40712EMay 19, 2009
High-breakdown-voltage semiconductor apparatus
TOSHIBA KK0 citations52
USRE40705EMay 5, 2009
High-breakdown-voltage semiconductor apparatus
TOSHIBA KK0 citations52
US6958514B2Oct 25, 2005
Semiconductor device and method of fabricating the same
TOSHIBA KK1 citations52