Toru Nakaoka

Follow

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polymer electrolyte fuel cell showing stable and outstanding electr...
- Patent number 6,329,094
- Issue date Dec 11, 2001
- Sanyo Electric Co., LTD
- Takashi Yasuo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymer electrolyte fuel cell and a polymer electrolyte fuel cell s...
- Patent number 5,958,613
- Issue date Sep 28, 1999
- Sanyo Electric Co., Ltd.
- Akira Hamada
- H01 - BASIC ELECTRIC ELEMENTS