Inventor
KOYAMA MASATO
JP96 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA MASATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
29 patentsUS6613658B2Sep 2, 2003
MIS field effect transistor and method of manufacturing the same
TOSHIBA KK44 citations96
US7807990B2Oct 5, 2010
Semiconductor device
TOSHIBA KK22 citations93
US7804145B2Sep 28, 2010
Semiconductor device, capacitor, and field effect transistor
TOSHIBA KK28 citations93
US7563678B2Jul 21, 2009
Semiconductor device and method of manufacturing the same
TOSHIBA KK21 citations93
US7485936B2Feb 3, 2009
Semiconductor device and method of manufacturing the same
TOSHIBA KK16 citations93
US7964489B2Jun 21, 2011
Semiconductor device
TOSHIBA KK13 citations84
US7825458B2Nov 2, 2010
Nonvolatile semiconductor memory and manufacturing method thereof
TOSHIBA KK12 citations84
US7667273B2Feb 23, 2010
Semiconductor device and method for manufacturing the same
TOSHIBA KK12 citations84
US7608849B2Oct 27, 2009
Non-volatile switching element, method for manufacturing the same, and integrated circuit having non-volatile switching elements
TOSHIBA KK16 citations84
US7429777B2Sep 30, 2008
Semiconductor device with a gate electrode having a laminate structure
TOSHIBA KK10 citations84
US6602753B2Aug 5, 2003
Semiconductor device having a gate insulating film comprising a metal oxide and method of manufacturing the same
TOSHIBA KK15 citations84
US6849908B2Feb 1, 2005
Semiconductor device and method of manufacturing the same
TOSHIBA KK16 citations83
US7541657B2Jun 2, 2009
Semiconductor device and method for manufacturing the same
TOSHIBA KK6 citations74
US7498643B2Mar 3, 2009
Semiconductor device and method for manufacturing the same
TOSHIBA KK6 citations74
US7432570B2Oct 7, 2008
Semiconductor device and manufacturing method thereof
TOSHIBA KK5 citations74
US7429776B2Sep 30, 2008
Semiconductor device and method for manufacturing the same
TOSHIBA KK4 citations74
US7391085B2Jun 24, 2008
Semiconductor device
TOSHIBA KK7 citations74
US7075158B2Jul 11, 2006
Semiconductor device and method of manufacturing the same
TOSHIBA KK7 citations74
US6803635B2Oct 12, 2004
MIS field effect transistor with metal oxynitride film
TOSHIBA KK9 citations74
US8053300B2Nov 8, 2011
Semiconductor device
TOSHIBA KK2 citations63
US7986014B2Jul 26, 2011
Semiconductor device
TOSHIBA KK2 citations63
US7968956B2Jun 28, 2011
Semiconductor device
TOSHIBA KK5 citations63
US7960793B2Jun 14, 2011
Semiconductor device
TOSHIBA KK3 citations63
US7863695B2Jan 4, 2011
Complementary MISFET semiconductor device having an atomic density ratio aluminum/lanthanum (Al/La) in the gate insulating layer of PMIS is larger than that of the NMIS
TOSHIBA KK5 citations63
US7745888B2Jun 29, 2010
Method of making p-channel and n-channel MIS transistors using single film formation of TaC
TOSHIBA KK2 citations63
US7728394B2Jun 1, 2010
Semiconductor device and manufacturing method thereof
TOSHIBA KK2 citations63
US7727832B2Jun 1, 2010
Semiconductor device and method for manufacturing the same
TOSHIBA KK2 citations63
US7632728B2Dec 15, 2009
Method of forming TaC gate electrodes with crystal orientation ratio defining the work function
TOSHIBA KK2 citations63
US7612413B2Nov 3, 2009
Semiconductor device and manufacturing method thereof
TOSHIBA KK2 citations63
MITSUBISHI ELECTRIC CORP
12 patentsUS5428285AJun 27, 1995
Position controller for controlling an electric motor
MITSUBISHI ELECTRIC CORP103 citations96
US5159539AOct 27, 1992
High frequency DC/AC power converting apparatus
MITSUBISHI ELECTRIC CORP67 citations96
US5267136ANov 30, 1993
DC-DC converter having parallel converter circuits
MITSUBISHI ELECTRIC CORP24 citations93
US4780658AOct 25, 1988
Control system for induction motor
MITSUBISHI ELECTRIC CORP43 citations93
US5432422AJul 11, 1995
Method and apparatus for controlling the positioning and reducing vibration in a machine tool system
MITSUBISHI ELECTRIC CORP28 citations92
US5355297AOct 11, 1994
Three-level three-phase inverter apparatus
MITSUBISHI ELECTRIC CORP52 citations92
US5247237ASep 21, 1993
Control device of induction motor
MITSUBISHI ELECTRIC CORP28 citations92
US5189603AFeb 23, 1993
Dc to ac electric power converting apparatus
MITSUBISHI ELECTRIC CORP44 citations92
US6194864B1Feb 27, 2001
Control device for induction motor
MITSUBISHI ELECTRIC CORP34 citations91
US6088246AJul 11, 2000
Method of and device for controlling pulse width modulation inverter
MITSUBISHI ELECTRIC CORP50 citations89
US5264773ANov 23, 1993
Controller for induction motor
MITSUBISHI ELECTRIC CORP14 citations72
US12531450B2Jan 20, 2026
Rotating electric machine
MITSUBISHI ELECTRIC CORP1 citations64
MITSUI CHEMICALS INC
2 patentsMITSUI TOATSU CHEMICALS
2 patentsNISSAN MOTOR
2 patentsSONY CORP
1 patentKOBELCO CONSTR MACHINERY LTD
1 patentICHIHARA REIKA
1 patentShowing the top 50 of 96 patents by PatentIndex Score.