Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862432 | Securing construction for timepiece | Noriaki Shimura, Yojiro Okakura, Masaru Kubota, Osamu Takashi | 1989-08-29 |
| 4862434 | Timepiece structure | Satoshi Yamazaki, Takehide Yamada, Tadashi Nishitani | 1989-08-29 |