Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824304 | Timepiece | — | 2004-11-30 |
| 6798722 | Hand and timepiece using the hand | — | 2004-09-28 |
| 5171375 | Treatment of titanium alloy article to a mirror finish | Yutaka Wakabayashi, Kenzo Kato, Akihiko Abe | 1992-12-15 |