Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8171373 | Coding circuit for recording data on DVD disk | — | 2012-05-01 |
| 7907681 | Circuit and method for differential signaling receiver | — | 2011-03-15 |
| 7889816 | Clock and data recovery circuit and communications apparatus including the clock and data recovery circuit | — | 2011-02-15 |
| 7630286 | Digital PLL circuit and optical disk apparatus having digital PLL circuit | Toshihiro Shigemori | 2009-12-08 |
| 7622958 | Semiconductor device including current-driven differential driver and method of controlling current-driven differential driver | — | 2009-11-24 |
| 7561503 | Clock signal generating device and an optical disc apparatus incorporating the device | — | 2009-07-14 |
| 7406654 | Coding circuit for recording data on DVD disk | — | 2008-07-29 |
| 7136341 | Information record and playback apparatus | — | 2006-11-14 |
| 6665246 | Optical disk apparatus | — | 2003-12-16 |
| 6594215 | Information record and playback apparatus | — | 2003-07-15 |
| 6216201 | Data processing apparatus using paged buffer memory for efficiently processing data of a compact digital disk | Keitaro Ado | 2001-04-10 |
| 5088078 | Optical pickup apparatus | Hiroyuki Kiguchi | 1992-02-11 |