Inventor
OKA TOHRU
JP55 patents
⚠️ This page may combine multiple inventors who share the name “OKA TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYODA GOSEI KK
23 patentsUS10256323B2Apr 9, 2019
Method of manufacturing semiconductor device including an n type semiconductor region formed in a p type semiconductor layer
TOYODA GOSEI KK3 citations73
US10153356B2Dec 11, 2018
Method of manufacturing semiconductor device, and semiconductor device
TOYODA GOSEI KK3 citations73
US9972725B2May 15, 2018
Semiconductor device and manufacturing method of the same
TOYODA GOSEI KK2 citations73
US9548204B2Jan 17, 2017
Semiconductor device, manufacturing method of the same and method of suppressing decrease of flat band voltage
TOYODA GOSEI KK2 citations73
US9905432B2Feb 27, 2018
Semiconductor device, method for manufacturing the same and power converter
TOYODA GOSEI KK2 citations72
US9691846B2Jun 27, 2017
Semiconductor device including an insulating layer which includes negatively charged microcrystal
TOYODA GOSEI KK2 citations71
US9831311B2Nov 28, 2017
Semiconductor device and method of manufacturing the same
TOYODA GOSEI KK2 citations70
US10236373B2Mar 19, 2019
Semiconductor device and production method therefor
TOYODA GOSEI KK2 citations67
US10276731B2Apr 30, 2019
Schottky barrier diode
TOYODA GOSEI KK1 citations63
US10332754B2Jun 25, 2019
Method of manufacturing nitride semiconductor device
TOYODA GOSEI KK1 citations62
US10490408B2Nov 26, 2019
Method for manufacturing semiconductor device
TOYODA GOSEI KK0 citations52
US9653564B2May 16, 2017
Semiconductor device and method of manufacturing the same
TOYODA GOSEI KK0 citations52
US9583580B2Feb 28, 2017
Manufacturing method of the semiconductor device electrode having three metal layers
TOYODA GOSEI KK0 citations52
US9559218B2Jan 31, 2017
Semiconductor device and method of manufacturing the same
TOYODA GOSEI KK0 citations52
US9431260B2Aug 30, 2016
Semiconductor device and manufacturing method of the same
TOYODA GOSEI KK0 citations52
US10026808B2Jul 17, 2018
Semiconductor device including insulating film that includes negatively charged microcrystal
TOYODA GOSEI KK0 citations50
US9685348B2Jun 20, 2017
Semiconductor device, method of manufacturing the same and power converter
TOYODA GOSEI KK0 citations50
US9466706B2Oct 11, 2016
Semiconductor device including first and second gate insulating films disposed on a semiconductor layer and manufacturing method of the same
TOYODA GOSEI KK0 citations50
US9741578B2Aug 22, 2017
Manufacturing method of semiconductor device
TOYODA GOSEI KK0 citations48
US9793369B2Oct 17, 2017
MIS-type semiconductor device
TOYODA GOSEI KK1 citations45
US10177234B2Jan 8, 2019
Semiconductor device
TOYODA GOSEI KK0 citations42
US10153352B2Dec 11, 2018
Semiconductor device
TOYODA GOSEI KK0 citations42
US10879349B2Dec 29, 2020
Method for manufacturing semiconductor device and edge termination structure of semiconductor device
TOYODA GOSEI KK0 citations41
COLIN CORP
20 patentsUS6626842B2Sep 30, 2003
Heart-sound analyzing apparatus
COLIN CORP170 citations99
US5462051AOct 31, 1995
Medical communication system
COLIN CORP1,069 citations99
US6645154B2Nov 11, 2003
Blood-pressure-waveform monitoring apparatus
COLIN CORP79 citations98
US5836887ANov 17, 1998
Physical information monitor system having means for determining reference range for abnormality determination, based on moving average of previously obtained values
COLIN CORP388 citations98
US5772601AJun 30, 1998
Apparatus for evaluating cardiac function of living subject
COLIN CORP122 citations98
US5743856AApr 28, 1998
Apparatus for measuring pulse-wave propagation velocity
COLIN CORP256 citations98
US5729203AMar 17, 1998
Emergency call system
COLIN CORP130 citations98
US5830149ANov 3, 1998
Physical information monitor system having means for indicating amount of deviation of monitored information from normal information
COLIN CORP84 citations95
US6808496B2Oct 26, 2004
Oscillometric automatic blood-pressure measuring apparatus
COLIN CORP32 citations93
US6645156B2Nov 11, 2003
Continuous blood-pressure monitoring apparatus
COLIN CORP29 citations93
US6491638B2Dec 10, 2002
Circulation-condition monitoring apparatus
COLIN CORP39 citations93
US5752913AMay 19, 1998
Physical information monitor system having means for determining reference range for abnormality determination of the monitored information
COLIN CORP31 citations93
US6547742B2Apr 15, 2003
Apparatus for measuring pulse-wave propagation velocity
COLIN CORP14 citations92
US6368282B1Apr 9, 2002
Apparatus for measuring pulse-wave propagation velocity
COLIN CORP24 citations92
US6120456ASep 19, 2000
Apparatus for measuring pulse-wave propagation velocity
COLIN CORP22 citations92
US6610017B2Aug 26, 2003
Continuous blood-pressure monitoring apparatus
COLIN CORP11 citations74
US6482163B2Nov 19, 2002
Postoperative-condition evaluating apparatus
COLIN CORP11 citations74
US6406434B2Jun 18, 2002
Blood-pressure measuring apparatus for patient under blood-dialysis treatment
COLIN CORP8 citations74
US5797838AAug 25, 1998
Physical-information-image displaying apparatus
COLIN CORP12 citations74
US5785652AJul 28, 1998
Physical-information abnormality informing endoscope
COLIN CORP2 citations63
RENESAS TECH CORP
3 patentsUS6696711B2Feb 24, 2004
Semiconductor device and power amplifier using the same
RENESAS TECH CORP10 citations74
US7001819B2Feb 21, 2006
Semiconductor device and power amplifier using the same
RENESAS TECH CORP2 citations63
US6724020B2Apr 20, 2004
Semiconductor device and power amplifier using the same
RENESAS TECH CORP0 citations52
HITACHI LTD
2 patentsSHARP KK
2 patentsUS7567128B2Jul 28, 2009
Power amplifier suppressing radiation of second harmonic over wide frequency band
SHARP KK14 citations84
US7321265B2Jan 22, 2008
Distortion compensating circuit having negative gain deviation, power amplifier using the same, and communication device having power amplifier
SHARP KK7 citations74
Showing the top 50 of 55 patents by PatentIndex Score.