Masafumi Hashimoto

Person

Nagoya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a gallium nitride group compound semicondu...
- Patent number 6,984,536
- Issue date Jan 10, 2006
- Toyoda Gosei Co., Ltd.
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing a gallium nitride group compound semicondu...
- Patent number 6,830,992
- Issue date Dec 14, 2004
- Toyoda Gosei Co., Ltd.
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting semiconductor device using gallium nitride group com...
- Patent number 6,593,599
- Issue date Jul 15, 2003
- Japan Science and Technology Corporation
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gallium nitride group compound semiconductor
- Patent number 6,472,690
- Issue date Oct 29, 2002
- Toyoda Gosei Co., Ltd.
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device
- Patent number 6,472,689
- Issue date Oct 29, 2002
- Toyoda Gosei Co., Ltd.
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting semiconductor device using gallium nitride group com...
- Patent number 6,362,017
- Issue date Mar 26, 2002
- Toyoda Gosei Co., Ltd.
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting semiconductor device using gallium nitride group com...
- Patent number 6,249,012
- Issue date Jun 19, 2001
- Toyoda Gosei Co., Ltd
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device of gallium nitride compound semiconductor
- Patent number RE36747
- Issue date Jun 27, 2000
- Toyoda Gosei Co., Ltd
- Katsuhide Manabe
- 257 - Active solid-state devices
Information Patent Grant
Light-emitting semiconductor device using gallium nitride group com...
- Patent number 5,733,796
- Issue date Mar 31, 1998
- Toyoda Gosei Co., Ltd
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device of gallium nitride compound semiconductor
- Patent number 5,408,120
- Issue date Apr 18, 1995
- Toyoda Gosei Co., Ltd.
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting semiconductor device using gallium nitride group com...
- Patent number 5,278,433
- Issue date Jan 11, 1994
- Toyoda Gosei Co., Ltd.
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dry etching method for semiconductor
- Patent number 5,205,905
- Issue date Apr 27, 1993
- Toyoda Gosei Co., Ltd.
- Masahiro Kotaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dry etching method for semiconductor
- Patent number 4,946,548
- Issue date Aug 7, 1990
- Toyoda Gosei Co., Ltd.
- Masahiro Kotaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compound semiconductor device and a method of manufacturing the same
- Patent number 4,925,810
- Issue date May 15, 1990
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Hiroyuki Kano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Negative resistance semiconductor device
- Patent number 4,816,878
- Issue date Mar 28, 1989
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Hiroyuki Kano
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method for manufacturing a gallium nitride group compound semicondu...
- Publication number 20020060326
- Publication date May 23, 2002
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS

Masafumi Hashimoto

Person

Patents Grantslast 30 patents

Method for manufacturing a gallium nitride group compound semicondu...

Method for manufacturing a gallium nitride group compound semicondu...

Light-emitting semiconductor device using gallium nitride group com...

Gallium nitride group compound semiconductor

Light emitting device

Light-emitting semiconductor device using gallium nitride group com...

Light emitting semiconductor device using gallium nitride group com...

Light-emitting device of gallium nitride compound semiconductor

Light-emitting semiconductor device using gallium nitride group com...

Light-emitting device of gallium nitride compound semiconductor

Light-emitting semiconductor device using gallium nitride group com...

Dry etching method for semiconductor

Dry etching method for semiconductor

Compound semiconductor device and a method of manufacturing the same

Negative resistance semiconductor device

Patents Applicationslast 30 patents

Method for manufacturing a gallium nitride group compound semicondu...