Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475655 | Fuel cell system with hydrogen gas separation | Haruyuki Nakanishi, Hirohisa Tanaka, Koji Yamada, Koichiro Asazawa | 2002-11-05 |
| 6372319 | Nucleating agents for crystallized glasses, crystallized glasses, magnetic discs substrate and magnetic discs | Itaru Yasui, Yusuke Yamada | 2002-04-16 |