Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7088665 | Optical disc recorder with recording modality switching for high quality recording | Atsushi Ogawa | 2006-08-08 |
| 6990050 | Optical disk recording and reproducing apparatus to control the laser power to an optimal value and enable stable recording and reproducing operations | Yoshihiko Shiozaki | 2006-01-24 |
| 6920099 | Optical disk recording apparatus | Yoshihiko Shiozaki | 2005-07-19 |
| 6661594 | Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit | Naoki Satoh, Seiichi Mita, Shoichi Miyazawa, Terumi Takashi, Yosuke Hori +8 more | 2003-12-09 |
| 5818655 | Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit | Naoki Satoh, Seiichi Mita, Shoichi Miyazawa, Terumi Takashi, Yosuke Hori +8 more | 1998-10-06 |
| 5434717 | Read and/or write integrated circuit having an operation timing adjusting circuit and constant current elements | Masaki Yoshinaga, Yuji Nagaya, Tsuyoshi Hirose, Noriaki Hatanaka, Tatsuo Mochizuki | 1995-07-18 |
| 5392172 | Magnetic head circuit having a write current changeover circuit with a clamp voltage depending on write current for high-speed data transfer | Masaki Yoshinaga, Noriaki Hatanaka, Yuji Nagaya, Tsuyoshi Hirose, Tadao Kaji | 1995-02-21 |