Tomatsu; Yutaka

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tomatsu; Yutaka.The latest application filed is for "semiconductor device and method for manufacturing the same".

Company Profile

0.13.8

Tomatsu; Yutaka - Okazaki JP
TOMATSU; Yutaka - Okazaki- city JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Semiconductor device and method for manufacturing the same Grant 9,634,095 - Oosawa , et al. April 25, 2	2017-04-25
Semiconductor Device And Method For Manufacturing The Same App 20150372090 - OOSAWA; Seigo ; et al.	2015-12-24
Semiconductor device and method for manufacturing the same Grant 8,841,719 - Oosawa , et al. September 23, 2	2014-09-23
Semiconductor Device And Method For Manufacturing The Same App 20120199900 - OOSAWA; Seigo ; et al.	2012-08-09
Power semiconductor switching-device and semiconductor power module using the device Grant 7,800,174 - Yamaguchi , et al. September 21, 2	2010-09-21
Trench-gate transistor with ono gate dielectric and fabrication process therefor Grant 7,354,829 - Aoki , et al. April 8, 2	2008-04-08
Power semiconductor switching-device and semiconductor power module using the device App 20050224909 - Yamaguchi, Motoo ; et al.	2005-10-13
Switch circuit and ignition apparatus employing the circuit App 20050162798 - Kato, Naohito ; et al.	2005-07-28
Method for manufacturing semiconductor device App 20050090060 - Aoki, Takaaki ; et al.	2005-04-28
Semiconductor device and method for manufacturing the same Grant 6,809,348 - Suzuki , et al. October 26, 2	2004-10-26
Semiconductor device with peripheral portion for withstanding surge voltage Grant 6,765,266 - Ozeki , et al. July 20, 2	2004-07-20
Semiconductor device with peripheral portion for withstanding surge voltage App 20030107102 - Ozeki, Yoshihiko ; et al.	2003-06-12
Semiconductor device and method for manufacturing the same Grant 6,469,345 - Aoki , et al. October 22, 2	2002-10-22
Method for manufacturing semiconductor device with power semiconductor element and diode App 20020022352 - Ozeki, Yoshihiko ; et al.	2002-02-21
P-channel MOSFET semiconductor device having a low on resistance Grant 6,278,155 - Okabe , et al. August 21, 2	2001-08-21
Semiconductor device and method for manufacturing the same App 20010008291 - Aoki, Takaaki ; et al.	2001-07-19
Method of producing a semiconductor device Grant 6,114,207 - Okabe , et al. September 5, 2	2000-09-05
Manufacturing method of semiconductor device with a groove Grant 5,998,268 - Tomatsu , et al. December 7, 1	1999-12-07
Semiconductor device and method of producing the same Grant 5,877,527 - Okabe , et al. March 2, 1	1999-03-02
Method for producing semiconductor device having DMOS and NMOS elements formed in the same substrate Grant 5,550,067 - Kuroyanagi , et al. August 27, 1	1996-08-27

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