Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9025309 | Capacitor array and signal processor including the array | Kazuo Matsukawa, Shiro Sakiyama | 2015-05-05 |
| 9019006 | Reference voltage stabilizer circuit and integrated circuit including the same | Takashi Morie, Shiro Sakiyama, Toshiaki Ozeki, Takuji Miki | 2015-04-28 |
| 8947290 | Successive approximation AD converter | Takuji Miki, Shiro Sakiyama | 2015-02-03 |
| 7978013 | Phase synchronizing circuit | Shiro Dosho, Kazuaki Sogawa, Yuji Yamada | 2011-07-12 |
| 7254507 | Analog circuit automatic calibration system | Shiro Dosho, Masaomi Toyama, Keijiro Umehara | 2007-08-07 |
| 7030688 | Low-pass filter for a PLL, phase-locked loop and semiconductor integrated circuit | Shiro Dosho, Masaomi Toyama, Keijiro Umehara, Masahiro Fukui, Takefumi Yoshikawa +3 more | 2006-04-18 |
| 6982581 | Duty cycle correction circuit | Shiro Dosho, Masaomi Toyama, Keijiro Umehara | 2006-01-03 |
| 6603219 | Semiconductor integrated circuit | Masaomi Toyama, Shiro Dosho | 2003-08-05 |
| 6559895 | Analog memory and image processing system for reducing fixed pattern noise | Shiro Dosho, Masayuki Ozasa, Hidehiko Kurimoto, Tatsuo Okamoto | 2003-05-06 |
| 6528982 | Jitter detector, phase difference detector and jitter detecting method | Shiro Dosho, Kazuhiko Nishikawa, Seiji Watanabe, Takahiro Bokui | 2003-03-04 |
| 6466273 | Analog FIFO memory device | Shiro Dosho | 2002-10-15 |
| 6407642 | Frequency detector and phase-locked loop circuit including the detector | Shiro Dosho, Masaomi Toyama | 2002-06-18 |
| 6121826 | Comb filter and method for controlling the same | Shiro Dosho, Masayuki Ozasa, Hidehiko Kurimoto, Tatsuo Okamoto | 2000-09-19 |
| 5822236 | Analog FIFO memory and switching device having a reset operation | Shiro Dosho, Hidehiko Kurimoto | 1998-10-13 |