Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4378997 | Hydration-expansive crushing cartridge | Takao Saito, Makoto Wada | 1983-04-05 |
| 4316874 | Gas generator utilizing granular silicon carbide as coolant | Hikaru Fujiyama, Tadahiko Nagaoka, Masayoshi Katoh | 1982-02-23 |