Saburo Oikawa

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Static induction transistor
- Patent number 6,750,477
- Issue date Jun 15, 2004
- Hitachi, Ltd.
- Tsutomu Yatsuo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Active matrix display device using aluminum alloy in scanning signa...
- Patent number 6,226,059
- Issue date May 1, 2001
- Hitachi, Ltd.
- Hideaki Yamamoto
- G02 - OPTICS
Information Patent Grant
Active matrix display device using aluminum alloy in scanning signa...
- Patent number 5,781,255
- Issue date Jul 14, 1998
- Hitachi, Ltd.
- Hideaki Yamamoto
- G02 - OPTICS
Information Patent Grant
Active matrix display device using aluminum alloy in scanning signa...
- Patent number 5,589,962
- Issue date Dec 31, 1996
- Hitachi, Ltd.
- Hideaki Yamamoto
- G02 - OPTICS
Information Patent Grant
Thin film semiconductor device and method for fabricating the same
- Patent number 5,153,702
- Issue date Oct 6, 1992
- Hitachi, Ltd.
- Takashi Aoyama
- G02 - OPTICS
Information Patent Grant
Gate turn-off thyristor
- Patent number 5,021,855
- Issue date Jun 4, 1991
- Hitachi, Ltd.
- Saburo Oikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gate turn-off thyristor
- Patent number 4,825,270
- Issue date Apr 25, 1989
- Hitachi, Ltd.
- Yukimasa Satou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reverse blocking type semiconductor device
- Patent number 4,713,679
- Issue date Dec 15, 1987
- Hitachi, Ltd.
- Yoshio Terasawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device provided with electrically floating control el...
- Patent number 4,651,189
- Issue date Mar 17, 1987
- Hitachi, Ltd.
- Tsutomu Yatsuo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with floating remote gate turn-off means
- Patent number 4,646,122
- Issue date Feb 24, 1987
- Hitachi, Ltd.
- Shin Kimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gate turn-off thyristor
- Patent number 4,626,888
- Issue date Dec 2, 1986
- Hitachi, Ltd.
- Takahiro Nagano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field controlled thyristor with double-diffused source region
- Patent number 4,514,747
- Issue date Apr 30, 1985
- Hitachi, Ltd.
- Kenji Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor GTO switching device with radially elongated cathode...
- Patent number 4,500,903
- Issue date Feb 19, 1985
- Hitachi, Ltd.
- Tsutomu Yatsuo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field controlled thyristor control circuit with additional FCT in r...
- Patent number 4,354,121
- Issue date Oct 12, 1982
- Hitachi, Ltd.
- Yoshio Terasawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for manufacturing a semiconductor device utilizing selective...
- Patent number 4,329,772
- Issue date May 18, 1982
- Hitachi, Ltd.
- Saburo Oikawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Static induction transistor
- Publication number 20020109145
- Publication date Aug 15, 2002
- Tsutomu Yatsuo
- H01 - BASIC ELECTRIC ELEMENTS

Saburo Oikawa

Person

Patents Grantslast 30 patents

Static induction transistor

Active matrix display device using aluminum alloy in scanning signa...

Active matrix display device using aluminum alloy in scanning signa...

Active matrix display device using aluminum alloy in scanning signa...

Thin film semiconductor device and method for fabricating the same

Gate turn-off thyristor

Gate turn-off thyristor

Reverse blocking type semiconductor device

Semiconductor device provided with electrically floating control el...

Semiconductor device with floating remote gate turn-off means

Gate turn-off thyristor

Field controlled thyristor with double-diffused source region

Semiconductor GTO switching device with radially elongated cathode...

Field controlled thyristor control circuit with additional FCT in r...

Method for manufacturing a semiconductor device utilizing selective...

Patents Applicationslast 30 patents

Static induction transistor