loadpatents
name:-0.047524929046631
name:-0.072309970855713
name:-0.0036211013793945
Yoshikawa; Koh Patent Filings

Yoshikawa; Koh

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yoshikawa; Koh.The latest application filed is for "semiconductor device and manufacturing method".

Company Profile
3.42.40
  • Yoshikawa; Koh - Matsumoto JP
  • YOSHIKAWA; Koh - Matsumoto-city JP
  • Yoshikawa; Koh - Kawasaki-shi JP
  • Yoshikawa; Koh - Kawasaki JP
  • Yoshikawa; Koh - Nagano JP
  • Yoshikawa; Koh - Tokyo JP
  • Yoshikawa; Koh - Hino-shi Tokyo
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Semiconductor device and fabrication method for semiconductor device
Grant 11,450,734 - Kubouchi , et al. September 20, 2		2022-09-20
Semiconductor device and method of manufacturing semiconductor device
Grant 11,245,010 - Yoshida , et al. February 8, 2		2022-02-08
Semiconductor Device And Manufacturing Method
App 20210384330 - YOSHIKAWA; Koh ;   et al.		2021-12-09
Semiconductor Device
App 20210134789 - Momota; Seiji ;   et al.		2021-05-06
Semiconductor Device And Method Of Manufacturing Semiconductor Device
App 20210111248 - YOSHIDA; Kosuke ;   et al.		2021-04-15
Semiconductor device
Grant 10,916,541 - Momota , et al. February 9, 2		2021-02-09
Semiconductor Device And Fabrication Method For Semiconductor Device
App 20200395215 - KUBOUCHI; Motoyoshi ;   et al.		2020-12-17
Manufacturing method of semiconductor device having a voltage resistant structure
Grant 10,109,501 - Yoshikawa , et al. October 23, 2		2018-10-23
Semiconductor Device And Manufacturing Method Of Semiconductor Device
App 20180006125 - YOSHIKAWA; Koh ;   et al.		2018-01-04
Method of manufacturing silicon carbide semiconductor device including forming an electric field control region by a laser doping technology
Grant 9,825,145 - Yoshikawa , et al. November 21, 2		2017-11-21
Semiconductor device having a voltage resistant structure
Grant 9,786,749 - Yoshikawa , et al. October 10, 2		2017-10-10
Semiconductor Device And Manufacturing Method Of Semiconductor Device
App 20170148882 - YOSHIKAWA; Koh ;   et al.		2017-05-25
Method for doping impurities, method for manufacturing semiconductor device
Grant 9,659,775 - Ikeda , et al. May 23, 2		2017-05-23
Semiconductor device with high concentration region
Grant 9,577,088 - Yoshikawa February 21, 2		2017-02-21
Semiconductor Device
App 20160372460 - Momota; Seiji ;   et al.		2016-12-22
Method Of Manufacturing Silicon Carbide Semiconductor Device
App 20160315169 - YOSHIKAWA; Koh ;   et al.		2016-10-27
Semiconductor device
Grant 9,466,711 - Momota , et al. October 11, 2		2016-10-11
Method For Doping Impurities, Method For Manufacturing Semiconductor Device, And Semiconductor Device
App 20160247681 - IKEDA; Akihiro ;   et al.		2016-08-25
Method of manufacturing semiconductor device
Grant 9,355,858 - Wakimoto , et al. May 31, 2		2016-05-31
Semiconductor Device
App 20160027866 - YOSHIKAWA; Koh		2016-01-28
Semiconductor Device
App 20150349111 - YOSHIKAWA; Koh		2015-12-03
Semiconductor device
Grant 9,184,268 - Yoshikawa November 10, 2		2015-11-10
Semiconductor Device
App 20140361312 - YOSHIKAWA; Koh ;   et al.		2014-12-11
Semiconductor Device
App 20140339600 - YOSHIKAWA; Koh		2014-11-20
Power converter
Grant 8,861,240 - Yoshikawa October 14, 2		2014-10-14
Semiconductor device
Grant 8,809,911 - Yoshikawa August 19, 2		2014-08-19
Power Converter
App 20140226384 - YOSHIKAWA; Koh		2014-08-14
Power semiconductor devices and methods for manufacturing the same
Grant 8,742,501 - Yoshikawa June 3, 2		2014-06-03
Method Of Manufacturing Semiconductor Device
App 20140094020 - WAKIMOTO; Hiroki ;   et al.		2014-04-03
Wide-band-gap reverse-blocking MOS-type semiconductor device
Grant 8,618,557 - Yoshikawa December 31, 2		2013-12-31
Semiconductor device and method of manufacturing semiconductor device
Grant 8,604,584 - Wakimoto , et al. December 10, 2		2013-12-10
Semiconductor device
Grant 8,558,342 - Yoshikawa , et al. October 15, 2		2013-10-15
Semiconductor Device
App 20130001638 - Yoshikawa; Koh		2013-01-03
Semiconductor device exhibiting withstand voltages in the forward and reverse directions
Grant 8,334,581 - Yoshikawa December 18, 2		2012-12-18
Trench type insulated gate MOS semiconductor device
Grant 8,334,565 - Yoshikawa December 18, 2		2012-12-18
Power Semiconductor Devices And Methods For Manufacturing The Same
App 20120286326 - YOSHIKAWA; Koh		2012-11-15
Semiconductor device
Grant 8,278,682 - Yoshikawa , et al. October 2, 2		2012-10-02
Power semiconductor devices and methods for manufacturing the same
Grant 8,258,032 - Yoshikawa September 4, 2		2012-09-04
Wide-band-gap Reverse-blocking Mos-type Semiconductor Device
App 20120211768 - Yoshikawa; Koh		2012-08-23
Vertical and trench type insulated gate MOS semiconductor device
Grant 8,242,556 - Yoshikawa , et al. August 14, 2		2012-08-14
Semiconductor device and manufacturing method of the semiconductor device
Grant 8,138,542 - Yoshikawa , et al. March 20, 2		2012-03-20
Semiconductor device having trenches extending through channel regions
Grant 8,125,027 - Yoshikawa February 28, 2		2012-02-28
Semiconductor device having insulated gate semiconductor element, and insulated gate bipolar transistor
Grant 8,097,901 - Koyama , et al. January 17, 2		2012-01-17
Semiconductor device
Grant 8,089,094 - Yoshikawa January 3, 2		2012-01-03
Semiconductor device
Grant 8,089,134 - Yoshikawa , et al. January 3, 2		2012-01-03
Semiconductor device having improved breakdown voltage and method of manufacturing the same
Grant 8,080,846 - Yoshikawa , et al. December 20, 2		2011-12-20
Semiconductor Device
App 20110291241 - YOSHIKAWA; Koh ;   et al.		2011-12-01
Semiconductor Device Having Insulated Gate Semiconductor Element, And Insulated Gate Bipolar Transistor
App 20110220962 - Koyama; Masaki ;   et al.		2011-09-15
Semiconductor Device And Method Of Manufacturing Semiconductor Device
App 20110215435 - WAKIMOTO; Hiroki ;   et al.		2011-09-08
Semiconductor Device
App 20110180909 - YOSHIKAWA; Koh		2011-07-28
Semiconductor device having insulated gate semiconductor element, and insulated gate bipolar transistor
Grant 7,977,704 - Koyama , et al. July 12, 2		2011-07-12
Semiconductor Device
App 20110156210 - YOSHIKAWA; Koh		2011-06-30
Semiconductor device
Grant 7,943,991 - Yoshikawa May 17, 2		2011-05-17
Method for manufacturing semiconductor apparatus
Grant 7,943,439 - Yoshikawa May 17, 2		2011-05-17
Semiconductor Device
App 20110073903 - YOSHIKAWA; Koh ;   et al.		2011-03-31
Semiconductor Device
App 20110012195 - Momota; Seiji ;   et al.		2011-01-20
Vertical And Trench Type Insulated Gate Mos Semiconductor Device
App 20100207162 - YOSHIKAWA; Koh ;   et al.		2010-08-19
Semiconductor device and method of forming the same having a junction termination structure with a beveled sidewall
Grant 7,772,677 - Yoshikawa August 10, 2		2010-08-10
Vertical and trench type insulated gate MOS semiconductor device
Grant 7,737,490 - Yoshikawa , et al. June 15, 2		2010-06-15
Power Semiconductor Devices And Methods For Manufacturing The Same
App 20100038675 - Yoshikawa; Koh		2010-02-18
Semiconductor Device
App 20090315070 - Yoshikawa; Koh		2009-12-24
Method For Manufacturing Semiconductor Apparatus
App 20090291520 - YOSHIKAWA; Koh		2009-11-26
Semiconductor device
App 20090230500 - Yoshikawa; Koh ;   et al.		2009-09-17
Semiconductor Device And Manufacturing Method Of The Semiconductor Device
App 20090206398 - YOSHIKAWA; Koh ;   et al.		2009-08-20
Semiconductor device having insulated gate semiconductor element, and insulated gate bipolar transistor
App 20090189181 - Koyama; Masaki ;   et al.		2009-07-30
Semiconductor device and manufacturing method of the semiconductor device
Grant 7,535,059 - Yoshikawa , et al. May 19, 2		2009-05-19
Trench Type Insulated Gate Mos Semiconductor Device
App 20090014754 - YOSHIKAWA; Koh		2009-01-15
Semiconductor Device And Method Of Manufacturing The Same
App 20070290267 - Yoshikawa; Koh ;   et al.		2007-12-20
Vertical And Trench Type Insulated Gate Mos Semiconductor Device
App 20070252195 - Yoshikawa; Koh ;   et al.		2007-11-01
Semiconductor system functioning as thyristor in on-state, and as bipolar transistor in transient state or with overcurrent
Grant 7,276,778 - Yoshikawa October 2, 2		2007-10-02
Semiconductor Device And Method Of Forming The Same
App 20070176244 - YOSHIKAWA; Koh		2007-08-02
Semiconductor Device And Manufacturing Method Of The Semiconductor Device
App 20070158740 - Yoshikawa; Koh ;   et al.		2007-07-12
Semiconductor Device
App 20070145475 - YOSHIKAWA; Koh		2007-06-28
Insulated gate bipolar transistor
Grant 7,098,488 - Yoshikawa , et al. August 29, 2		2006-08-29
Semiconductor system functioning as thyristor in on-state, and as bipolar transistor in transient state or with overcurrent
App 20060006459 - Yoshikawa; Koh		2006-01-12
Insulated gate bipolar transistor
App 20050045945 - Yoshikawa, Koh ;   et al.		2005-03-03

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