Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10892774 | Re-quantization device having noise shaping function, signal compression device having noise shaping function, and signal transmission device having noise shaping function | — | 2021-01-12 |
| 8116368 | PWM signal generator, PWM signal generating device, and digital amplifier | — | 2012-02-14 |
| 7558189 | Image signal cancel-type heterodyne reception method and direct conversion orthogonal frequency division multiplexing reception method | — | 2009-07-07 |
| 7161437 | Voltage-controlled oscillator and quadrature modulator | — | 2007-01-09 |
| 6647636 | Method for measuring road surface longitudinal profile | Toshihiko Fukuhara, Hisayoshi Sato | 2003-11-18 |
| 6554191 | Data entry method for portable communications device | — | 2003-04-29 |