Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7746731 | Electronic device with solar cell | Eiki Murakami, Takayuki Hasumi, Kenji Shimoda | 2010-06-29 |
| 6477114 | Electronic timepiece with calendar device | Yasuo Kitajima, Haruhiko Higuchi, Hiroyuki Koike | 2002-11-05 |
| 6385136 | Electronic timepiece with calendar month-end non-correction device | Haruhiko Higuchi, Yasuo Kitajima, Hiroyuki Koike | 2002-05-07 |
| 6278661 | Electronic timepiece with calendar month-end non-correction device | Haruhiko Higuchi, Yasuo Kitajima, Hiroyuki Koike | 2001-08-21 |
| 6240052 | Electronic watch with calendar | Yasuo Kitajima, Haruhiko Higuchi, Hiroyuki Koike | 2001-05-29 |