Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9606515 | Satellite radio-controlled watch | Akira Kato, Akinari Takada | 2017-03-28 |
| 8861315 | Radio-controlled wristwatch | Akira Kato | 2014-10-14 |
| 8824244 | Radio-controlled wristwatch | Akira Kato | 2014-09-02 |
| 8792308 | Radio-controlled watch | Akira Kato, Tadashi Yasuoka | 2014-07-29 |