Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8861648 | Receiving device and demodulation device | Junichi Abe, Tomoyuki Yamase, Yasushi Amamiya | 2014-10-14 |
| 8831081 | Digital filter device, digital filtering method and control program for the digital filter device | Junichi Abe | 2014-09-09 |
| 8681027 | Digital receiver and optical communication system that uses same | Junichi Abe | 2014-03-25 |
| 8674869 | A/D conversion circuit | — | 2014-03-18 |
| 8599051 | Time-interleaved A/D converter apparatus including correction signal part outputting a dispersion compensation control signal | Nobuhide Yoshida | 2013-12-03 |
| 8593315 | A/D conversion device and A/D conversion correcting method | Tomoyuki Yamase | 2013-11-26 |
| 8587460 | A/D conversion device and compensation control method for A/D conversion device | Yasushi Amamiya | 2013-11-19 |
| 8542141 | Analog-to-digital conversion device and analog-to-digital conversion method | Tomoyuki Yamase | 2013-09-24 |
| 8493099 | Sample and hold circuit and method for controlling same | — | 2013-07-23 |
| 8415984 | Electronic circuit system, track hold circuit module, electronic circuit operation control method, and program thereof | Tomoyuki Yamase | 2013-04-09 |
| 8238503 | Clock data recovering circuit and control method of the clock data recovering circuit | — | 2012-08-07 |
| 7605736 | A/D converter and duty control method of sampling clock | — | 2009-10-20 |
| 7433440 | Jitter-detecting circuit, receiving circuit including the jitter-detecting circuit, and communication system | Chiharu Kogiso | 2008-10-07 |
| 7379007 | A/D converter, A/D converter apparatus, and sampling clock skew control method | — | 2008-05-27 |
| 7257323 | Signal-off detection circuit and optical receiving device using the same | Tetuo Tateyama, Madoka Kimura | 2007-08-14 |
| 7158602 | Phase locked loop circuit and clock reproduction circuit | — | 2007-01-02 |
| 6891402 | Clock's out-of-synchronism state detection circuit and optical receiving device using the same | Tetuo Tateyama, Madoka Kimura | 2005-05-10 |
| 6636348 | Signal break detecting circuit | — | 2003-10-21 |