Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10496044 | Satellite radio-controlled watch | Masayuki Araki, Kohichi Kazahari | 2019-12-03 |
| 10361642 | Electronic device | Kensaku Matsumoto, Makoto Watanabe, Akira Izumi | 2019-07-23 |
| 10348219 | Electrostatic induction power generator | Akira Izumi, Makoto Watanabe | 2019-07-09 |
| 10222761 | Electronic timepiece with electrostatic induction generator | Akira Izumi, Makoto Watanabe | 2019-03-05 |