Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428201 | Chronograph timepiece and lever device for timepiece | Takashi Takahashi, Mamoru Watanabe | 2002-08-06 |
| 5956294 | Multi-functional timepiece | Katsuyoshi Takizawa, Takashi Takahashi | 1999-09-21 |
| 5593313 | Socket with a plug locking mechanism | Norihiro Oura | 1997-01-14 |
| D303957 | Optical disk unit for electronic computers | Shingo Nakamura | 1989-10-10 |