Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861814 | Polyoxymethylene compositions and method of manufacturing the same | Nozomu Nakagawa, Shuichi Chino | 1989-08-29 |
| 4862432 | Securing construction for timepiece | Imao Hiraga, Noriaki Shimura, Yojiro Okakura, Osamu Takashi | 1989-08-29 |
| 4845693 | Apparatus for correcting a timepiece display | — | 1989-07-04 |