Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7536779 | Method of manufacturing magnetic head | Toshiaki Yanagisawa, Hiroyuki Kojima, Eiichi Nagasaka, Kenichi Michibata, Yoshiaki Oguchi | 2009-05-26 |
| 6863435 | Spring, mainspring, hairspring, and driving mechanism and timepiece based thereon | Masatoshi Moteki, Fumio Takagi | 2005-03-08 |
| 6843594 | Spring, power spring, hair spring, driving mechanism utilizing them, and timepiece | Masatoshi Moteki, Fumio Takagi | 2005-01-18 |
| 6439762 | Mainspring device and a winding protection structure | Yoshihiko MOMOSE | 2002-08-27 |
| 6422739 | Mainspring device, timepiece, and method of controlling the mainspring device and the timepiece | Yoshihiko MOMOSE | 2002-07-23 |
| 6367966 | Timepiece | — | 2002-04-09 |
| 6339306 | Control device for stepper motor, control method for the same, and timing device | — | 2002-01-15 |
| 6194862 | Control device for stepper motor, control method for the same, and timing device | — | 2001-02-27 |
| 6183125 | Electronic watch | Joji Kitahara | 2001-02-06 |
| 6120177 | Electronic watch | Joji Kitahara | 2000-09-19 |
| 6108279 | Stepping motor control device and method thereof and timepiece | — | 2000-08-22 |
| 6097675 | Electronically controlled mechanical timepiece | Osamu Takahashi, Masatoshi Moteki, Eiichi Nagasaka | 2000-08-01 |
| 6012838 | Electronic watch | Joji Kitahara | 2000-01-11 |
| 5581519 | Analog indicator type electronic timepiece and charging method thereof | Joji Kitahara, Yasuhiro Oshima, Hidenori Makiba | 1996-12-03 |
| 5175414 | Method and apparatus for repairing glass-lined equipment by sol-gel process | Koichi Wada, Shigeo Uegaki | 1992-12-29 |
| 5143275 | Method for repairing a glass layer of glass-lined equipment | Akihiko Hogetsu, Shigeo Uegaki | 1992-09-01 |
| 5053251 | Method for repairing glass-lined equipment by sol-gel process | Koichi Wada, Shigeo Uegaki | 1991-10-01 |
| 4202751 | Sacrificial anode and apparatus employing same for treating hot sea water | Toshio Fukuzuka, Kazutoshi Shimogori, Hiroshi Satoh, Fumio Kamikubo | 1980-05-13 |