Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8259557 | Recording and reproduction control of optical disc, optical disc driving apparatus, optical disc driving method, data processing apparatus, and optical disc recording/reproducing apparatus using version of specification information included in the optical disc | Noboru Yashima, Mitsuru Ishizuka, Satoshi Michihata, Yoshihiro Kiyose, Osamu Tsukahara +1 more | 2012-09-04 |
| 6895174 | Frame number detecting device | — | 2005-05-17 |
| 6421308 | State detecting device and optical disk device | Kazuhiro Sugiyama, Shigeru Matsui, Noboru Yashima, Yukari Hiratsuka | 2002-07-16 |
| 6331967 | Disk-rotation control apparatus | Shigeru Matsui, Noboru Yashima, Kazuhiro Sugiyama, Yukari Hiratsuka | 2001-12-18 |
| 6275878 | Data recorder and data producing circuit | Noboru Yashima, Kazuhiro Sugiyama, Shigeru Matsui, Yukari Hiratsuka | 2001-08-14 |
| 6259662 | Disk rotation control device | Shigeru Matsui, Kazuhiro Sugiyama, Yukari Hiratsuka, Noboru Yashima | 2001-07-10 |
| 6118742 | Disk-rotation control apparatus | Shigeru Matsui, Noboru Yashima, Kazuhiro Sugiyama, Yukari Hiratsuka | 2000-09-12 |