Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D807224 | Watch bracelet link | Susumu Shibata, Yukiharu Shimizu, Hidehiro Uchiumi | 2018-01-09 |
| D565970 | Wristwatch | Susumu Shibata, Hajime Sasaki, Yoichi Yaguci | 2008-04-08 |
| D565433 | Wristwatch | Susumu Shibata, Hajime Sasaki, Yoichi Yaguci | 2008-04-01 |
| 5699590 | Clasp with unfolding buckle | Francis Albert Erard | 1997-12-23 |
| D315311 | Wristwatch | — | 1991-03-12 |
| D314153 | Wristwatch | — | 1991-01-29 |
| D312792 | Wristwatch | — | 1990-12-11 |
| D310331 | Combined watch and band | — | 1990-09-04 |
| D310337 | Wrist watch and band | — | 1990-09-04 |
| 4497584 | Wrist watch case with vulcanized gasket | — | 1985-02-05 |
| 4198811 | Watertight watchcase having a removable polygonal hard glass | — | 1980-04-22 |