Kosugi; Ryoji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kosugi; Ryoji.The latest application filed is for "semiconductor device".

Company Profile

4.8.9

Kosugi; Ryoji - Ibaraki JP
Kosugi; Ryoji - Tsukuba JP
KOSUGI; Ryoji - Tsukuba-shi 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 Grant 11,282,919 - Kosugi , et al. March 22, 2	2022-03-22
Semiconductor Device App 20210111245 - KOSUGI; Ryoji ; et al.	2021-04-15
Semiconductor device and manufacturing method thereof Grant 10,741,648 - Kosugi , et al. A	2020-08-11
Semiconductor Device And Manufacturing Method Thereof App 20190157399 - Kosugi; Ryoji ; et al.	2019-05-23
Silicon carbide semiconductor device and a method of manufacturing a silicon carbide semiconductor device Grant 10,186,575 - Kawada , et al. Ja	2019-01-22
Silicon Carbide Semiconductor Device And A Method Of Manufacturing A Silicon Carbide Semiconductor Device App 20180248002 - KAWADA; Yasuyuki ; et al.	2018-08-30
Semiconductor device and power converter, driving inverter, general-purpose inverter and high-power high-frequency communication device using same Grant 7,538,352 - Fukuda , et al. May 26, 2	2009-05-26
Semiconductor Device And Electric Power Converter, Drive Inverter, General-purpose Inverter And Super-power High-frequency Communication Equipment Using The Semiconductor Device App 20090057686 - FUKUDA; Kenji ; et al.	2009-03-05
Production method for semiconductor device Grant 7,256,082 - Kosugi , et al. August 14, 2	2007-08-14
Semiconductor device and power converter, driving inverter, general-purpose inverter and high-power high-frequency communication device using same App 20060151806 - Fukuda; Kenji ; et al.	2006-07-13
Production method for semiconductor device App 20040242022 - Kosugi, Ryoji ; et al.	2004-12-02
Semiconductor device manufacturing method Grant 6,812,102 - Fukuda , et al. November 2, 2	2004-11-02
Manufacturing method of semiconductor devices Grant 6,764,963 - Fukuda , et al. July 20, 2	2004-07-20
SiC semiconductor device Grant 6,759,684 - Fukuda , et al. July 6, 2	2004-07-06
Semiconductor device manufacturing method App 20040087093 - Fukuda, Kenji ; et al.	2004-05-06
Manufacturing method of semiconductor devices App 20030013266 - Fukuda, Kenji ; et al.	2003-01-16
SiC semicoductor device App 20020047125 - Fukuda, Kenji ; et al.	2002-04-25

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