Kiyoshi Tsukuda

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Bimos semiconductor integrated circuit device including high speed...
- Patent number 5,672,897
- Issue date Sep 30, 1997
- Hitachi, Ltd.
- Atsuo Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated circuit device and a method for manufactur...
- Patent number 5,508,549
- Issue date Apr 16, 1996
- Hitachi, Ltd.
- Atsuo Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated circuit device and a method for manufactur...
- Patent number 5,049,967
- Issue date Sep 17, 1991
- Hitachi, Ltd.
- Atsuo Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated circuit device and a method for manufactur...
- Patent number 4,980,744
- Issue date Dec 25, 1990
- Hitachi, Ltd.
- Atsuo Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated circuit device and a method for manufactur...
- Patent number 4,921,811
- Issue date May 1, 1990
- Hitachi, Ltd.
- Atsuo Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lateral type semiconductor devices with enlarged, large radii colle...
- Patent number 4,361,846
- Issue date Nov 30, 1982
- Hitachi, Ltd.
- Kiyoshi Tsukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor switch
- Patent number 4,257,060
- Issue date Mar 17, 1981
- Hitachi, Ltd.
- Shigeru Kawamata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kiyoshi Tsukuda

Person

Patents Grantslast 30 patents

Bimos semiconductor integrated circuit device including high speed...

Semiconductor integrated circuit device and a method for manufactur...

Semiconductor integrated circuit device and a method for manufactur...

Semiconductor integrated circuit device and a method for manufactur...

Semiconductor integrated circuit device and a method for manufactur...

Lateral type semiconductor devices with enlarged, large radii colle...

Semiconductor switch