Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11619911 | Timepiece movement and timepiece | Masayuki Kawata, Ken Sato, Yuya Tanaka | 2023-04-04 |
| 11415940 | Timepiece movement and timepiece | Tomohiro Ihashi | 2022-08-16 |
| 10132627 | Electronic device, measurement data processing method, and measurement data processing program | Keisuke Tsubata, Kazuo Kato, Tomohiro Ihashi, Takanori Hasegawa, Hisao Nakamura +1 more | 2018-11-20 |
| 10037009 | Movement and electronic timepiece | Satoshi Sakai, Kenji Ogasawara, Tomohiro Ihashi | 2018-07-31 |
| 9971310 | Movement and electronic timepiece | Satoshi Sakai, Tomohiro Ihashi, Kenji Ogasawara | 2018-05-15 |
| 9971304 | Movement and electronic timepiece | Satoshi Sakai, Tomohiro Ihashi, Kenji Ogasawara | 2018-05-15 |
| 8682420 | Heartbeat measuring device and heartbeat measuring method | Keisuke Tsubata, Takanori Hasegawa, Akira Takakura, Kazuo Kato, Kazuhiro Koyama +1 more | 2014-03-25 |