Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7967917 | Method of cleaning storage case | Shu Shimada, Noriyuki Takahashi, Hiroyuki Nakajima, Hiroko Tanaka | 2011-06-28 |
| 5957674 | Variable-discharge high pressure pump | Keisaku Zenmei, Keiichi Konishi | 1999-09-28 |
| 5937896 | Check valve and seating valve | Masayasu Miyajima, Mitsuharu Hashiba | 1999-08-17 |
| 4184317 | Watch movement mounting structure | Yasuo Kamiyama | 1980-01-22 |