Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680703 | Method of manufacturing pressure regulator | Tomohiro Ono, Yoshiaki Arai | 1997-10-28 |
| 5541400 | Accumulation control apparatus for photoelectric conversion element and visual axis detection apparatus using the element | Akira Yamada, Yoshiaki Irie | 1996-07-30 |
| 5116281 | Rotational speed switcher | Tetsuo Ohara, Tsutomu Miura, Shigeomi Koshimizu, Eiichi Shimizu | 1992-05-26 |