Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629893 | Game system and information storage medium | Toshio Natsui, Michio Yamada | 2003-10-07 |
| 5248567 | Power generation plant including fuel cell | Takashi Amemiya, Motohiro TAKAHASHI, Masahiro Akiyoshi, Yuji Nagata, Satoshi Suzuki | 1993-09-28 |