Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6556533 | Optical pickup device | Masaharu Fukakusa, Taiichi Mori, Hiroshi Tanigawa, Mikio Tomisaki, Seigi Ito +1 more | 2003-04-29 |
| 6266314 | Optical pickup device | Masaharu Fukakusa, Taiichi Mori, Hiroshi Tanigawa, Mikio Tomisaki, Seigi Ito +1 more | 2001-07-24 |
| 6256283 | Optical pickup having a common light beam path for passing either of a plurality of kinds of light beams | Masaharu Fukakusa, Taiichi Mori, Hiroshi Tanigawa, Mikio Tomisaki, Seigi Ito +1 more | 2001-07-03 |
| 5060214 | Optical pickup device keeping coincident the optical axes of the objective lens and of the recording/reproducing beam | Masahiko Nakayama, Toshihiro Shigemori, Kiyoshi Yokomori | 1991-10-22 |