Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7749640 | Fuel Cell | Hirofumi Kan, Asako Satoh, Akira Yajima, Yumiko Takizawa | 2010-07-06 |
| 7638223 | Fuel cell | Hirofumi Kan, Asako Satoh, Akira Yajima, Yumiko Takizawa | 2009-12-29 |
| D424539 | Ring for probe card | — | 2000-05-09 |
| D424043 | Ring for probe card | — | 2000-05-02 |
| D420659 | Ring for probe card | — | 2000-02-15 |
| 4605484 | Hydrogen-evolution electrode | Yasuhide Noaki | 1986-08-12 |
| 4496453 | Hydrogen-evolution electrode | Mitsuo Yoshida | 1985-01-29 |
| 4483754 | Electrolysis of sodium chloride with the use of ion exchange membranes | — | 1984-11-20 |
| 4190505 | Electrolysis of sodium chloride in an ion-exchange membrane cell | Shinsaku Ogawa, Mitsuo Yoshida | 1980-02-26 |