Koumei Hanaoka

Follow

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power inverter having series connection of semiconductor devices ea...
- Patent number 6,144,046
- Issue date Nov 7, 2000
- Hitachi, Ltd.
- Koumei Hanaoka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device having parallel connection of an insulated gat...
- Patent number 5,701,018
- Issue date Dec 23, 1997
- Hitachi, Ltd.
- Koumei Hanaoka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER