Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8818480 | Biological information detection device | Hideki Okuda, Teruo Kato, Dai Terasawa, Takahiro Kaneko, Hiroshi Kawamata +1 more | 2014-08-26 |
| 8792959 | Biological information detection device | Hideki Okuda, Teruo Kato, Dai Terasawa, Takahiro Kaneko, Hiroshi Kawamata +1 more | 2014-07-29 |
| 7591582 | Watch and crown used in this watch | Haruki Hiranuma | 2009-09-22 |
| 7507018 | Wristwatch and band for wristwatch | Yoshio Hozumi | 2009-03-24 |
| 7452124 | Timepiece having glass and glass-holding member removable as a unit from case band | Haruki Hiranuma | 2008-11-18 |
| 7445376 | Timepiece having glass and glass-holding member removable as a unit from case band | Haruki Hiranuma | 2008-11-04 |
| 7401975 | Watch | Haruki Hiranuma | 2008-07-22 |
| 7347620 | Watch equipped with crown locking structure | Haruki Hiranuma | 2008-03-25 |
| 7255473 | Portable timepiece | Haruki Hiranuma | 2007-08-14 |
| 7210844 | Wristwatch and band timepiece | Haruki Hiranuma | 2007-05-01 |
| 7192182 | Winding stem pipe with friction ring | Haruki Hiranuma, Hisamitsu Yoshikawa | 2007-03-20 |
| 7182507 | Portable timepiece | Haruki Hiranuma | 2007-02-27 |
| 7052173 | Timepiece | Haruki Hiranuma, Hisamitsu Yoshikawa | 2006-05-30 |