Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453119 | Information recording medium, method for recording information, and method for reproduction information | Yoshiyuki Ishizawa, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2002-09-17 |
| 6385389 | Information recording medium, method for recording information, and method for reproduction information | Yoshiyuki Ishizawa, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2002-05-07 |
| 6346957 | Optical scanning device and image forming apparatus that restrains color aberrations | — | 2002-02-12 |