Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438088 | Light transmission device and apparatus including light transmission device | Masanori Kadotani | 2002-08-20 |
| 6434088 | Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member | Osamu Ishizaki, Katsusuke Shimazaki, Masafumi Yoshihiro, Susumu Imai | 2002-08-13 |
| RE37719 | Optical data recording system and method of production of recording medium | Tetsurou Ikegaki, Mitsuru Shimizu, Yoshitane Tuburaya | 2002-05-28 |
| 6366541 | Optical recording medium with solid protective layer having self-lubricating property | Satoru Ohnuki, Masafumi Yoshihiro, Tsuyoshi Maro | 2002-04-02 |