Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864286 | Switch operation monitoring apparatus | Youichi Ohshita, Akira Hashimoto, Yukio Kurosawa, Kiyoshi Okumura | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864286 | Switch operation monitoring apparatus | Youichi Ohshita, Akira Hashimoto, Yukio Kurosawa, Kiyoshi Okumura | 1989-09-05 |