Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6295258 | Method for recording and reproducing information by pre-pits detection | Toshimitsu Kaku, Toru Kawashima, Takehiko Sekine, Hisataka Sugiyama, Tetsuya Fushimi | 2001-09-25 |
| 6188654 | Method and apparatus for recording/reproducing by pre-pits detection | Toshimitsu Kaku, Toru Kawashima, Takehiko Sekine, Hisataka Sugiyama, Tetsuya Fushimi | 2001-02-13 |