Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1012924 | Portable computer | — | 2024-01-30 |
| 7601453 | Fuel cell and fuel cell stack | Tadashi Tsunoda, Masahiko Izumi, Koji Dan | 2009-10-13 |
| 4843610 | Semiconductor laser apparatus | Tsunekazu Okada | 1989-06-27 |