Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349810 | Signal lamp apparatus with a lamp burnout detecting circuit | Osamu Igarashi | 1982-09-14 |
| 4348726 | Method of controlling automobile equipment and control apparatus | Osamu Igarashi, Shizuhisa Watanabe | 1982-09-07 |