Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952391 | Optical recording medium having dual information surfaces | Shin-ichi Tanaka, Yasuhiro Sugihara, Hiroshi Taniguchi, Michiyoshi Nagashima | 2005-10-04 |
| 6947366 | Optical recording medium having dual information surfaces | Shin-ichi Tanaka, Yasuhiro Sugihara, Hiroshi Taniguchi, Michiyoshi Nagashima | 2005-09-20 |
| 6934237 | Optical recording medium having dual information surfaces | Shin-ichi Tanaka, Yasuhiro Sugihara, Hiroshi Taniguchi, Michiyoshi Nagashima | 2005-08-23 |
| 6934238 | Optical recording medium having dual information surfaces | Shin-ichi Tanaka, Yasuhiro Sugihara, Hiroshi Taniguchi, Michiyoshi Nagashima | 2005-08-23 |
| 6885629 | Recordable optical disk including an auxiliary information presence indicator | Mitsuaki Oshima, Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Yoshinari Takemura | 2005-04-26 |