Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9581968 | Timepiece | Masahiro Ishida | 2017-02-28 |
| 9513603 | Timepiece | Masahiro Ishida | 2016-12-06 |
| 9256208 | Timepiece | Masahiro Ishida | 2016-02-09 |
| 9105413 | Portable apparatus and portable timepiece | Koremoto Takeda | 2015-08-11 |
| 9046875 | Portable apparatus and portable timepiece | Masahiro Ishida | 2015-06-02 |
| 9028134 | Waterproof push operation member for a time piece | Hideaki Koshoji | 2015-05-12 |
| 8636404 | Timepiece | — | 2014-01-28 |
| 8619506 | Timepiece | — | 2013-12-31 |
| 8556500 | Timepiece | — | 2013-10-15 |
| 8547802 | Timepiece | — | 2013-10-01 |
| 8419269 | Portable timepiece | — | 2013-04-16 |
| 8408785 | Portable timepiece | — | 2013-04-02 |
| 8333502 | Portable timepiece | Kazutaka Imai | 2012-12-18 |
| 8333503 | Portable timepiece | Kazutaka Imai | 2012-12-18 |
| 8325565 | Timepiece | Kazutaka Imai | 2012-12-04 |
| 8272778 | Watch | Kazutaka Imai | 2012-09-25 |
| 8235587 | Portable device and portable watch | Kazutaka Imai | 2012-08-07 |
| 7976214 | Portable watch | Kazutaka Imai | 2011-07-12 |
| 7909503 | Portable timepiece and method of fabricating crown provided to the timepiece | — | 2011-03-22 |
| 7815365 | Portable timepiece | Kazutaka Imai | 2010-10-19 |
| 7614785 | Timepiece having rotatable and detachable bezel | Kazutaka Imai, Koremoto Takeda | 2009-11-10 |
| 7591582 | Watch and crown used in this watch | Nobukazu Omori | 2009-09-22 |
| 7572049 | Timepiece | — | 2009-08-11 |
| 7517139 | Portable timepiece | Koremoto Takeda | 2009-04-14 |
| 7494270 | Portable timepiece with a crown protection and locking device | Koremoto Takeda | 2009-02-24 |