Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11520295 | Watch having a protective layer covering a power generating unit and an antenna | — | 2022-12-06 |
| 11073621 | Electronic timepiece | Keiichi Mukaiyama | 2021-07-27 |
| 10009116 | Communication system, electronic timepiece, and communication device | Hirokazu Nishijima | 2018-06-26 |
| 9998226 | Electronic timepiece, communication device, and communication system | — | 2018-06-12 |
| 9798014 | Satellite signal receiving device, method of controlling satellite signal receiving device, and electronic device | — | 2017-10-24 |
| 9720383 | Electronic timepiece and electronic device | Katsuyuki Honda, Jun Matsuzaki, Toshikazu Akiyama | 2017-08-01 |
| 9639067 | Time adjustment device, timekeeping device with a time adjustment device, and time adjustment method | — | 2017-05-02 |
| 9448540 | Satellite signal receiving device, electronic timepiece, and satellite signal receiving method | — | 2016-09-20 |
| 9448541 | Electronic timepiece | Toshikazu Akiyama, Katsuyuki Honda, Jun Matsuzaki | 2016-09-20 |
| 9367043 | Satellite signal receiving device, method of controlling satellite signal receiving device, and electronic device | — | 2016-06-14 |
| 9342056 | Electronic timepiece and electronic device | Katsuyuki Honda, Jun Matsuzaki, Toshikazu Akiyama | 2016-05-17 |
| 9329578 | Time adjustment device, timekeeping device with a time adjustment device, and time adjustment method | — | 2016-05-03 |
| 9213318 | Electronic timepiece and electronic device | Katsuyuki Honda, Jun Matsuzaki, Toshikazu Akiyama | 2015-12-15 |
| 9154181 | Satellite signal receiving device and electronic device | Toshikazu Akiyama, Katsuyuki Honda, Jun Matsuzaki | 2015-10-06 |
| 9104182 | Electronic timepiece and electronic device | Katsuyuki Honda, Jun Matsuzaki, Toshikazu Akiyama | 2015-08-11 |
| 9063523 | Electronic timepiece | Toshikazu Akiyama, Katsuyuki Honda, Jun Matsuzaki | 2015-06-23 |
| 8995235 | Electronic timepiece | Katsuyuki Honda, Jun Matsuzaki, Toshikazu Akiyama | 2015-03-31 |
| 8953999 | Satellite signal receiving device and electronic device | Toshikazu Akiyama, Katsuyuki Honda, Jun Matsuzaki | 2015-02-10 |
| 8897097 | Satellite signal receiving device, satellite signal receiving method, and electronic device | Katsuyuki Honda, Toshikazu Akiyama, Jun Matsuzaki | 2014-11-25 |
| 8773955 | Time adjustment device, timekeeping device with a time adjustment device, and time adjustment method | — | 2014-07-08 |
| 8666344 | Satellite signal reception device and control method for a satellite signal reception device | — | 2014-03-04 |
| 8644117 | Electronic timepiece | Jun Matsuzaki, Katsuyuki Honda, Toshikazu Akiyama | 2014-02-04 |
| 8558515 | Protection circuit and electronic device | Katsuyuki Honda | 2013-10-15 |
| 8493817 | Electronic timepiece | — | 2013-07-23 |
| 8303512 | Pulse meter, method for controlling pulse meter, wristwatch-type information device, control program, storage medium, blood vessel simulation sensor, and living organism information measurement device | Tsukasa Kosuda, Makoto Zakoji, Ichiro Aoshima, Yutaka Kawafune | 2012-11-06 |