Issued Patents All Time
Showing 25 most recent of 161 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346068 | Stepping motor control device, movement, timepiece, and stepping motor control method | Tomohiro Ihashi, Kazumi Sakumoto, Akihito Okumura | 2025-07-01 |
| 11237524 | Timepiece, electronic device, and method of determining illuminance of timepiece | — | 2022-02-01 |
| 11228602 | In-vehicle network system | Serina Gangi, Junya Kobayashi | 2022-01-18 |
| 10997043 | Semiconductor device, semiconductor systems and test-control methods for executing fault injection test on a plurality of failure detection mechanism | Hiroshi Morita | 2021-05-04 |
| 10754300 | Timepiece and control method of timepiece | — | 2020-08-25 |
| 10132627 | Electronic device, measurement data processing method, and measurement data processing program | Keisuke Tsubata, Tomohiro Ihashi, Takanori Hasegawa, Hisao Nakamura, Katsuya MUGISHIMA +1 more | 2018-11-20 |
| 10074951 | Commutator, motor, and manufacturing method of commutator | Akihiko Seki, Yasuhiro KANEMATSU, Noriyasu Nishio, Norifumi Suzuki, Tsuyoshi Suzuki +2 more | 2018-09-11 |
| 9683304 | Resin-metal bonded body and method for producing the same | Masumi Kuroyama, Tomonori Ishikawa, Yaeko Sasaki, Shuhei Miura, Masayuki Nakamura +1 more | 2017-06-20 |
| 9120145 | Oil type release agent for metal casting, spray method, and electrostatic spray apparatus | Hirobumi Ohira, Koji Togawa, Daisuke Serino | 2015-09-01 |
| 9092015 | Electronic timepiece | Akira Takakura, Tomohiro Ihashi, Takanori Hasegawa, Toshitaka Fukushima | 2015-07-28 |
| 9076371 | Display device and electronic apparatus using display device | Akira Takakura, Keisuke Tsubata, Hisao Nakamura, Tomohiro Ihashi, Yoshinori Sugai +4 more | 2015-07-07 |
| 9036455 | Electronic timepiece | Akira Takakura, Tomohiro Ihashi, Takanori Hasegawa, Toshitaka Fukushima | 2015-05-19 |
| 8982675 | Power supply unit and electronic timepiece | Akira Takakura, Toshitaka Fukushima, Keisuke Tsubata, Hisao Nakamura, Tomohiro Ihashi +4 more | 2015-03-17 |
| 8682420 | Heartbeat measuring device and heartbeat measuring method | Keisuke Tsubata, Takanori Hasegawa, Akira Takakura, Katsuya MUGISHIMA, Kazuhiro Koyama +1 more | 2014-03-25 |
| 8586938 | Ultraviolet ray measuring apparatus and electronic wristwatch equipped with ultraviolet ray measuring function | Keisuke Tsubata, Tomohiro Ihashi, Satoshi Sakai, Hisao Nakamura, Eriko Noguchi +1 more | 2013-11-19 |
| 8406086 | Electronic timepiece | Hiroshi Shimizu, Tomohiro Ihashi, Kenji Ogasawara, Kazumi Sakumoto, Akira Takakura +5 more | 2013-03-26 |
| 8394503 | Resin-metal bonded article and method for producing the same | Masumi Kuroyama, Tomonori Ishikawa, Yaeko Sasaki, Setsuko Sato, Masayuki Nakamura +1 more | 2013-03-12 |
| 8351303 | Stepping motor controller and analog electronic timepiece | Kenji Ogasawara, Akira Takakura, Saburo Manaka, Keishi Honmura, Takanori Hasegawa +2 more | 2013-01-08 |
| 8335135 | Stepping motor control circuit and analogue electronic timepiece | Saburo Manaka, Akira Takakura, Kenji Ogasawara, Kazumi Sakumoto, Keishi Honmura +3 more | 2012-12-18 |
| 8319468 | Stepping motor control circuit and analogue electronic timepiece | Saburo Manaka, Takanori Hasegawa, Keishi Honmura, Kasuke Yamamoto, Kenji Ogasawara +3 more | 2012-11-27 |
| 8295131 | Chronograph timepiece | Akira Takakura, Kenji Ogasawara, Saburo Manaka, Kazumi Sakumoto, Hiroshi Shimizu +5 more | 2012-10-23 |
| 8289816 | Chronograph timepiece | Akira Takakura, Kenji Ogasawara, Saburo Manaka, Kazumi Sakumoto, Hiroshi Shimizu +5 more | 2012-10-16 |
| 8274863 | Chronograph timepiece | Tomohiro Ihashi, Kenji Ogasawara, Kazumi Sakumoto, Hiroshi Shimizu, Akira Takakura +5 more | 2012-09-25 |
| 8223594 | Chronograph timepiece | Tomohiro Ihashi, Kenji Ogasawara, Kazumi Sakumoto, Hiroshi Shimizu, Akira Takakura +5 more | 2012-07-17 |
| 8215827 | Chronograph timepiece | Akira Takakura, Kenji Ogasawara, Saburo Manaka, Kazumi Sakumoto, Hiroshi Shimizu +5 more | 2012-07-10 |