Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316874 | Gas generator utilizing granular silicon carbide as coolant | Tsuneo Kasama, Tadahiko Nagaoka, Masayoshi Katoh | 1982-02-23 |
| 4246672 | Automatic inflatable safety work vest | Masayoshi Shimada | 1981-01-27 |