Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8897350 | Orthogonal transform error corrector | Kouichi Nagano, Hiroyuki Tezuka | 2014-11-25 |
| 8648632 | Digital PLL circuit, semiconductor integrated circuit, and display apparatus | Kouji Okamoto, Fumiaki Senoue | 2014-02-11 |
| 8270269 | Timing extraction device and video display device | Akira Yamamoto | 2012-09-18 |
| 8098972 | Reproduced signal processor and video display | Kouji Okamoto, Akira Yamamoto, Yoshinori Shirakawa | 2012-01-17 |
| 7898451 | Analog-to-digital converter, optical disk reproduction device, and receiver device | Kouichi Nagano | 2011-03-01 |
| 7688687 | Timing extractor, and information playback apparatus and DVD device using the timing extractor | Kouji Okamoto, Akira Yamamoto | 2010-03-30 |
| 7523154 | Write compensation circuit and signal interpolation circuit of recording device | Hirokuni Fujiyama, Shiro Dosho, Hiroyuki Nakahira, Akira Yamamoto | 2009-04-21 |
| 7327658 | Wobble signal processing apparatus | Kouji Okamoto, Youichi Ogura | 2008-02-05 |
| 7068584 | Signal processor | Hiroyuki Nakahira, Akira Yamamoto | 2006-06-27 |
| 7065029 | Signal processor | Kouichi Nagano, Akira Yamamoto | 2006-06-20 |
| 6970313 | Write compensation circuit and signal interpolation circuit of recording device | Hirokuni Fujiyama, Shiro Dosho, Hiroyuki Nakahira, Akira Yamamoto | 2005-11-29 |
| 6778483 | Multilevel record modulator and demodulator | Takashi Yamamoto, Hiroyuki Nakahira, Akira Yamamoto | 2004-08-17 |
| 6745218 | Adaptive digital filter | Akira Yamamoto, Hiroyuki Nakahira, Hirokuni Fujiyama | 2004-06-01 |