Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9105413 | Portable apparatus and portable timepiece | Haruki Hiranuma | 2015-08-11 |
| 8052323 | Watch with recessed rotatable bezel and manually positionable guard member | — | 2011-11-08 |
| 7614785 | Timepiece having rotatable and detachable bezel | Haruki Hiranuma, Kazutaka Imai | 2009-11-10 |
| 7517139 | Portable timepiece | Haruki Hiranuma | 2009-04-14 |
| 7494270 | Portable timepiece with a crown protection and locking device | Haruki Hiranuma | 2009-02-24 |
| 7278783 | Wristwatch and strap for timepiece | Haruki Hiranuma | 2007-10-09 |
| 7137732 | Portable timepiece | — | 2006-11-21 |
| 7072247 | Wrist watch | Haruki Hiranuma | 2006-07-04 |