Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8125863 | Integrated circuit, information recording/reproducing apparatus, and signal processing method | Atsushi Hirayama, Masamitsu Mimura | 2012-02-28 |
| 8031572 | Optical disc device and recording condition setting method | Toshihiko Takahashi, Kazutoshi Aida | 2011-10-04 |
| 7106668 | Disk drive apparatus | Takanori Okada, Shuichi Yoshida, Kiyoshi Masaki, Kazuhiro Mihara, Tsutomu Kai +3 more | 2006-09-12 |
| 7085200 | Stepping motor controlling method and disk apparatus | Takanori Okada, Shuichi Yoshida, Kiyoshi Masaki, Kazuhiro Mihara, Tsutomu Kai +1 more | 2006-08-01 |
| 6950377 | Information recording method and information recording apparatus | Takumi Matsuura, Tsutomu Kai | 2005-09-27 |
| 6654321 | Stepping motor control method and disk drive apparatus | Takanori Okada, Shuichi Yoshida, Kiyoshi Masaki, Kazuhiro Mihara, Tsutomu Kai +3 more | 2003-11-25 |
| 6529456 | Disk reproducing device, a disk reproducing method, a disk rotation control method, and a regenerative clock signal generating device | Toshikazu Koudo, Yoshiki Kuno, Yasuhisa Mashiko, Hidefumi Ishibashi | 2003-03-04 |
| 6445657 | Disk reproducing device, a disk reproducing method, a disk rotation control method, and a regenerative clock signal generating device | Toshikazu Koudo, Yoshiki Kuno, Yasuhisa Mashiko, Hidefumi Ishibashi | 2002-09-03 |
| 6304531 | Disk reproducing device a disk reproducing method a disk rotation control method and a regenerative clock signal generating device | Toshikazu Koudo, Yoshiki Kuno, Yasuhisa Mashiko, Hidefumi Ishibashi | 2001-10-16 |
| 6249495 | Stepping motor control method and disk drive apparatus | Takanori Okada, Shuichi Yoshida, Kiyoshi Masaki, Kazuhiro Mihara, Tsutomu Kai +3 more | 2001-06-19 |
| 6069854 | Disk reproducing device, a disk reproducing method, a disk rotation control method, and a regenerative clock signal generating device | Toshikazu Koudo, Yoshiki Kuno, Yasuhisa Mashiko, Hidefumi Ishibashi | 2000-05-30 |
| 5956307 | Device end method for reproducing data from disk, method for controlling rotation of disk, and reproduction clock generating device | Toshikazu Koudo, Yoshiki Kuno, Yasuhisa Mashiko, Hidefumi Ishibashi | 1999-09-21 |
| 5598396 | Optical disk reproducing apparatus | Ryusuke Horibe, Toshiyuki Shimada | 1997-01-28 |
| 4730297 | Retardation compensating light beam guiding system in an optical storage medium drive apparatus | Hiromichi Ishibashi | 1988-03-08 |