Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10038241 | Semiconductor device and transmission-reception system | Kenichiro Hijioka, Masaharu Matsudaira | 2018-07-31 |
| 8640069 | Noise analysis model and noise analysis method including disposing resistors and setting points in a semiconductor | — | 2014-01-28 |
| 7049888 | Active inductance circuit and differential amplifier circuit | — | 2006-05-23 |
| 6822502 | Variable impedance circuit | — | 2004-11-23 |
| 6680992 | Clock identification and reproduction circuit | Takenori Morikawa, Satomi Shioiri | 2004-01-20 |
| 6636105 | Semiconductor device, a charge pump circuit and a PLL circuit that can suppress a switching noise | — | 2003-10-21 |
| 6636080 | Apparatus for detecting edges of input signal to execute signal processing on the basis of edge timings | — | 2003-10-21 |
| 6594331 | Two phase digital phase locked loop circuit | — | 2003-07-15 |
| 6577167 | Clock signal producing circuit immediately producing clock signal synchronized with input signal | — | 2003-06-10 |
| 6496555 | Phase locked loop | — | 2002-12-17 |
| 6472944 | Voltage controlled oscillator with delay circuits | — | 2002-10-29 |
| 6359908 | Frame synchronous circuit contributing to SDH signal | — | 2002-03-19 |
| 6104771 | Phase locked loop capable of synchronizing output clock signal with input signal when VCO controller has insensitive input voltage range | — | 2000-08-15 |
| 5956378 | Phase lock by a frequency and phase difference between input and VCO signals with a frequency range adjusted by synchronism between the input and the VCO signals | — | 1999-09-21 |
| 5760653 | Phase-locked loop for clock recovery | — | 1998-06-02 |
| 5682119 | Variable gain circuit | — | 1997-10-28 |
| 5355094 | Feedback differential amplifier circuit | — | 1994-10-11 |