Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665235 | Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording medium | Yoshiteru Murakami, Junji Hirokane, Junichiro Nakayama, Junsaku Nakajima, Akira Takahashi +1 more | 2003-12-16 |
| 6661745 | Optical reproducing and recording method, recording medium, and optical device | Junji Tominaga, Nobufumi Atoda, Hiroshi Fuji, Hiroyuki Katayama | 2003-12-09 |
| 6648822 | Communication apparatus and communication method for outputting an estimate of a patient's mental state | Masaki Hamamoto, Yoshiji Ohta, Keita Hara | 2003-11-18 |
| 6504679 | Erasure prevention in disc cartridge | — | 2003-01-07 |