Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9449806 | High-voltage discharge lamp, lamp unit, projection image display device, and method for manufacturing high-voltage discharge lamp | Yoshiki Kitahara, Katsuhiro Ono, Jun Sakaguchi, Mitsuko Shuto | 2016-09-20 |
| 5911295 | Return spring for clutch | Kazuhiro Itonaga, Jun Tokumasu, Kenjiro Kawanabe, Ichiro Sasuga | 1999-06-15 |
| 5716554 | Ultraviolet light absorbent | Sadaki Takada, Toshihiko Nakane, Tsuyoshi Tsuchiya | 1998-02-10 |
| 5343102 | Miniature motor | Kazuichi Mabuchi | 1994-08-30 |
| 4927266 | Optical signal generating apparatus and optical power meter calibrating system using the same | Itsuo Sugiura, Kaoru Ito, Toshiyuki Ozaki | 1990-05-22 |