Seiji Yaegashi

Person

Yamanashi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Vertical GaN-based semiconductor device
- Patent number 8,969,920
- Issue date Mar 3, 2015
- Sumitomo Electric Industries, Ltd
- Makoto Kiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method for producing the same
- Patent number 8,941,174
- Issue date Jan 27, 2015
- Sumitomo Electric Industries, Ltd
- Masaya Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method for producing same
- Patent number 8,896,058
- Issue date Nov 25, 2014
- Sumitomo Electric Industries, Ltd
- Masaya Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method for producing the same
- Patent number 8,890,239
- Issue date Nov 18, 2014
- Sumitomo Electric Industries, Ltd
- Seiji Yaegashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method for producing the same
- Patent number 8,816,398
- Issue date Aug 26, 2014
- Sumitomo Electric Industries, Ltd
- Makoto Kiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for fabricating semiconductor device
- Patent number 8,748,274
- Issue date Jun 10, 2014
- Sumitomo Electric Device Innovations, Inc.
- Ken Nakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method for manufacturing same
- Patent number 8,525,184
- Issue date Sep 3, 2013
- Sumitomo Electric Industries, Ltd.
- Masaya Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method for manufacturing same
- Patent number 8,227,810
- Issue date Jul 24, 2012
- Sumitomo Electric Industries, Ltd
- Masaya Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
GaN-based high electron mobility transistor (HEMT) with an embedded...
- Patent number 8,044,433
- Issue date Oct 25, 2011
- Eudyna Devices Inc.
- Takeshi Kawasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device in which GaN-based semiconductor layer is sele...
- Patent number 7,728,353
- Issue date Jun 1, 2010
- Eudyna Devices Inc.
- Seiji Yaegashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and fabrication method of the same
- Patent number 7,723,751
- Issue date May 25, 2010
- Eudyna Devices Inc.
- Takeshi Kawasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 7,592,647
- Issue date Sep 22, 2009
- Eudyna Devices Inc.
- Ken Nakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heterojunction bipolar transistor and method of making heterojuncti...
- Patent number 6,784,064
- Issue date Aug 31, 2004
- Sumitomo Electric Industries, Ltd.
- Seiji Yaegashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bipolar transistor and the method of manufacturing the same
- Patent number 6,664,610
- Issue date Dec 16, 2003
- Sumitomo Electric Industries, Ltd.
- Takeshi Kawasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bipolar transistor
- Patent number 6,531,722
- Issue date Mar 11, 2003
- Sumitomo Electric Industries, Ltd.
- Seiji Yaegashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20130313564
- Publication date Nov 28, 2013
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Masaya OKADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME
- Publication number 20130248876
- Publication date Sep 26, 2013
- Sumitomo Electric Industries, Ltd.
- Seiji Yaegashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME
- Publication number 20130240900
- Publication date Sep 19, 2013
- Sumitomo Electric Industries, Ltd.
- Seiji Yaegashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME
- Publication number 20130234156
- Publication date Sep 12, 2013
- Sumitomo Electric Industries, Ltd.
- Masaya Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SAME
- Publication number 20130221434
- Publication date Aug 29, 2013
- Sumitomo Electric Industries, Ltd.
- Masaya Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME
- Publication number 20130181255
- Publication date Jul 18, 2013
- Sumitomo Electric Industries, Ltd.
- Makoto Kiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SAME
- Publication number 20130168739
- Publication date Jul 4, 2013
- Sumitomo Electric Industries, Ltd.
- Makoto Kiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20120273797
- Publication date Nov 1, 2012
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Masaya Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20110204381
- Publication date Aug 25, 2011
- Sumitomo Electric Industries, Ltd.
- Masaya Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR FORMING THE SAME
- Publication number 20110193095
- Publication date Aug 11, 2011
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Ken Nakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR FABRICATING SEMICONDUCTOR DEVICE
- Publication number 20100159656
- Publication date Jun 24, 2010
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Ken Nakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device
- Publication number 20080079009
- Publication date Apr 3, 2008
- EUDYNA DEVICES INC.
- Seiji YAEGASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and fabrication method of the same
- Publication number 20060220042
- Publication date Oct 5, 2006
- EUDYNA DEVICES INC.
- Seiji Yaegashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and manufacturing method thereof
- Publication number 20060220060
- Publication date Oct 5, 2006
- EUDYNA DEVICES INC.
- Ken Nakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and fabrication method therefor
- Publication number 20060220065
- Publication date Oct 5, 2006
- EUDYNA DEVICES INC.
- Takeshi Kawasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and fabrication method of the same
- Publication number 20060219997
- Publication date Oct 5, 2006
- EUDYNA DEVICES INC.
- Takeshi Kawasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Bipolar transistor and the method of manufacturing the same
- Publication number 20030075737
- Publication date Apr 24, 2003
- Takeshi Kawasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Heterojunction bipolar transistor and method of making heterojuncti...
- Publication number 20020105011
- Publication date Aug 8, 2002
- Seiji Yaegashi
- H01 - BASIC ELECTRIC ELEMENTS

Seiji Yaegashi

Person

Patents Grantslast 30 patents

Vertical GaN-based semiconductor device

Semiconductor device and method for producing the same

Semiconductor device and method for producing same

Semiconductor device and method for producing the same

Semiconductor device and method for producing the same

Method for fabricating semiconductor device

Semiconductor device and method for manufacturing same

Semiconductor device and method for manufacturing same

GaN-based high electron mobility transistor (HEMT) with an embedded...

Semiconductor device in which GaN-based semiconductor layer is sele...

Semiconductor device and fabrication method of the same

Semiconductor device and manufacturing method thereof

Heterojunction bipolar transistor and method of making heterojuncti...

Bipolar transistor and the method of manufacturing the same

Bipolar transistor

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME

SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME

SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME

SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME

SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SAME

SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME

SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SAME

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME

SEMICONDUCTOR DEVICE AND METHOD FOR FORMING THE SAME

METHOD FOR FABRICATING SEMICONDUCTOR DEVICE

Semiconductor device

Semiconductor device and fabrication method of the same

Semiconductor device and manufacturing method thereof

Semiconductor device and fabrication method therefor

Semiconductor device and fabrication method of the same

Bipolar transistor and the method of manufacturing the same

Heterojunction bipolar transistor and method of making heterojuncti...