Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429827 | Mechanical timepiece | Yusaku Niida, Takuya Shirai, Yosuke Abe | 2025-09-30 |
| 11855575 | Step motor drive device | — | 2023-12-26 |
| 10268162 | Electronic watch | Daisuke Iri | 2019-04-23 |
| 9690259 | Electronic timepiece | Shogo Sezaki, Toshiaki Fukushima, Daisuke Iri | 2017-06-27 |
| 9612579 | Electronic clock | Masaaki Namekawa | 2017-04-04 |
| 8848492 | Electronic watch | Masaaki Namekawa | 2014-09-30 |
| 8841875 | Electronic watch | Toshiaki Fukushima, Akira Shiota, Toshinari Maeda, Nobuaki Suzuki | 2014-09-23 |