Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8199616 | Assembly method of optical pickup and optical pickup apparatus | Hideyuki Fujii, Katsuya Yagi, Katsumi Fujiwara | 2012-06-12 |
| 7929385 | Optical pickup apparatus | Katsumi Fujiwara, Katsuya Yagi, Hideyuki Fujii | 2011-04-19 |
| 7843777 | Assembly method of optical pickup and optical pickup apparatus | Hideyuki Fujii, Katsuya Yagi, Katsumi Fujiwara | 2010-11-30 |
| 7724634 | Optical pickup apparatus with temperature compensation | Kiyono Ikenaka | 2010-05-25 |
| 6637656 | Optical reading apparatus and optical reading method | Makoto Banno, Nobuyuki Baba | 2003-10-28 |
| 6414751 | Displacement measurement apparatus | Norikazu Arai, Makoto Banno | 2002-07-02 |
| 4954702 | Process for detecting a focal point in an optical head | Masanori Kawai, Koji Matsushima, Mitsuru Watanabe | 1990-09-04 |
| 4819083 | Moving type image recording apparatus | Masanori Kawai, Kiyotaka Murakami, Mitsuru Watanabe | 1989-04-04 |
| 4750049 | Hand-held copying apparatus | Kiyotaka Murakami, Masanori Kawai | 1988-06-07 |