Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4444397 | Adjusting device for a net pole | Seiji Hayamizu, Chiaki Negishi, Yoshiaki Ozawa | 1984-04-24 |
| 4189961 | Speed reduction means | Toshio Yamashita | 1980-02-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4444397 | Adjusting device for a net pole | Seiji Hayamizu, Chiaki Negishi, Yoshiaki Ozawa | 1984-04-24 |
| 4189961 | Speed reduction means | Toshio Yamashita | 1980-02-26 |