Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7161751 | Optical module and camera module | Haruhiko Hasegawa, Hideki Kitajima, Tamio Nomura, Takayuki Kosaka | 2007-01-09 |
| 4291398 | Calendar display wheel guard construction of timepiece | — | 1981-09-22 |