Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7170826 | Multifunctional watch | Eiichi Nagasaka, Koji Fukui | 2007-01-30 |
| 6567345 | Clocking device | Nobuhiro Koike, Eiichi Hiraya, Akihiko Maruyama | 2003-05-20 |
| 6476579 | Pulse motor driving device, pulse motor driving method, timepiece device, and timepiece device control method | Hidehiro Akahane, Shinji Nakamiya, Yoshitaka Iijima, Kenji Iida | 2002-11-05 |
| 5737246 | Water depth measuring device | Naoshi Furuta, Yumi Sakamoto, Kazuko Yoshida | 1998-04-07 |
| 5610468 | Ultrasonic step motor | Osamu Miyazawa, Jouji Kitahara | 1997-03-11 |
| 5343108 | Ultrasonic step motor | Osamu Miyazawa, Jouji Kitahara | 1994-08-30 |
| 5237237 | Ultrasonic motor and drive method | Tomoo Ueda, Osamu Miyazawa, Joji Kitahara | 1993-08-17 |