Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922384 | Information reproducing apparatus | Harumitsu Miyashita, Junichi Minamino, Hiromichi Ishibashi, Masahito Nakao | 2005-07-26 |
| 6898175 | Optical disc having positive marks and negative marks in a sector block | Hiromichi Ishibashi, Takashi Ishida, Yoshiharu Kobayashi | 2005-05-24 |
| 6894965 | Method for recording/reproducing data on/from optical disk | Mamoru Shoji | 2005-05-17 |
| 6850478 | Optical disk medium and optical disk indentification method and optical disk device | Hiromichi Ishibashi | 2005-02-01 |