Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323864 | Binary transversal filter | Kazuo Ogawa, Osamu Kurita, Izumi Horikawa | 1982-04-06 |
| 4312389 | Valve mechanism of rolling seal type and gas lighter valves using the same | — | 1982-01-26 |