Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10847104 | Dot matrix display device and time display device | Eiji Yamakawa, Takanobu Suzuki | 2020-11-24 |
| 10636371 | Driving device, electronic timepiece, driving method, and storage medium | — | 2020-04-28 |
| 8213266 | Electronic timepiece | Fumiaki Ochiai | 2012-07-03 |
| 8111590 | Electronic timepiece | Yoshinori Asami | 2012-02-07 |
| 7977909 | Device and method of driving stepping motor of analog electronic clock | Fumiaki Ochiai, Yohei Kawaguchi | 2011-07-12 |
| 5886954 | Electronic devices with a solar cell | Yoshinori Asami, Haruo Kajitani, Akio Kurosu, Haruo Ono | 1999-03-23 |
| 5151885 | Stopwatch | — | 1992-09-29 |
| 4786900 | Electronic key apparatus | Katsuaki Karasawa, Hideyuki Shoji, Kazunori Kita, Syunichi Matsumoto, Keisuke Tonomura +1 more | 1988-11-22 |