Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7463568 | Objective optical element and optical pickup apparatus | Mitsuru Mimori, Kohei Ota, Shinichiro Saito, Yuichi Atarashi, Katsuya Sakamoto +1 more | 2008-12-09 |
| 6856471 | Objective optical element, optical pick-up apparatus, and optical information recording reproducing apparatus | Shinichiro Saito, Katsuya Sakamoto, Kiyono Ikenaka | 2005-02-15 |
| 6747812 | Objective lens for optical pick-up apparatus and optical pick-up apparatus | Kohei Ota, Yuichi Atarashi | 2004-06-08 |
| 5959428 | Starting control unit for a refrigeration machine | Katuhiko Saito, Keitaro Hori, Haruhiko Ishida | 1999-09-28 |
| 5650697 | Motor unit, motor drive unit, fan unit and method of controlling the motor drive unit | Akihiko Imagi, Yoshio Yoshikuwa, Takuo Akiyama, Norikazu Ishikawa, Tatsunao Hayashida +4 more | 1997-07-22 |
| 5642857 | Control apparatus for multi-air-conditioner | Kenshi Kawagishi, Yasunori Shida, Kazuyuki Mitsushima, Yukihiko Iwata | 1997-07-01 |