Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373142 | Control system for a heating apparatus | Kohshou Ohshima, Tomoyuki Kawase, Tomokazu Itoh, Nobuo Sekino, Hirofumi Takemasa +2 more | 1994-12-13 |
| 4746905 | Sound producing device | Kohsho Ohshima | 1988-05-24 |