Toyomasa Koda

Follow

Person

Kokubunji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Packaged semiconductor device having heat dissipation/electrical co...
- Patent number 5,299,091
- Issue date Mar 29, 1994
- Hitachi, Ltd.
- Akio Hoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating semiconductor devices which include vertical...
- Patent number 4,814,288
- Issue date Mar 21, 1989
- Hitachi, Ltd.
- Masatoshi Kimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-breakdown-voltage semiconductor device
- Patent number 4,443,812
- Issue date Apr 17, 1984
- Hitachi, Ltd.
- Ichiro Imaizumi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High-breakdown-voltage resistance element for integrated circuit wi...
- Patent number 4,423,433
- Issue date Dec 27, 1983
- Hitachi, Ltd.
- Ichiro Imaizumi
- H01 - BASIC ELECTRIC ELEMENTS