Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803140 | Gallate based complex oxide electrolyte material | Tatsuo Sugiyama, Fumio Munakata, Yoshio Akimune | 2004-10-12 |
| 4944324 | Fuel gas supply equipment with abnormal offensive odor suppressing filter | Hideo Kajino | 1990-07-31 |