Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441661 | PLL circuit | Hiroshi Aoki, Shiro Suzuki, Takayoshi Chiba, Shigeo Yamaguchi | 2002-08-27 |
| 6317471 | Information reproducing apparatus and reproducing method | Shigeo Yamaguchi, Takayoshi Chiba | 2001-11-13 |
| 6289059 | Information reproducing apparatus and reproducing method | Shigeo Yamaguchi, Takayoshi Chiba | 2001-09-11 |
| 6192502 | Information reproducing apparatus and reproducing method | Shigeo Yamaguchi, Takayoshi Chiba | 2001-02-20 |
| 6097685 | Information reproducing apparatus and reproducing method | Shigeo Yamaguchi, Takayoshi Chiba | 2000-08-01 |
| 6016294 | AGC circuit with a digital divider for an optical disc drive unit | — | 2000-01-18 |
| 5864531 | DC level fluctuation correction by selecting a time constant coupled to a reproduced signal | — | 1999-01-26 |
| 5255249 | Seek control apparatus | — | 1993-10-19 |