Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10992225 | Charge pump circuit | Daisuke Arima, Kazuki Goto | 2021-04-27 |
| 8836561 | Digital to-analog conversion circuit | Norifumi Kanagawa | 2014-09-16 |
| 8692701 | Pipelined A/D converter circuit provided with A/D converter circuit parts of stages each including precharge circuit | Shoji Kawahito, Sung Wook JUNG, Osamu Kobayashi, Takahiro Miki, Takashi Morie +1 more | 2014-04-08 |
| 8525718 | Differential amplifier and analog/digital converter | Kouhei Kudou, Norifumi Kanagawa, Shigemitsu Murayama | 2013-09-03 |
| 8497794 | Analog-digital converter and signal processing system | Shinichirou Etou, Kouhei Kudou, Yukitoshi Yamashita | 2013-07-30 |
| 8487801 | Analog-to-digital converter and signal processing system | Shinichirou Etou, Kouhei Kudou, Yukitoshi Yamashita | 2013-07-16 |
| 8427354 | Analog to digital converter and signal processing system | Shinichiro Eto, Kohei Kudo | 2013-04-23 |
| 8120388 | Comparator, sample-and-hold circuit, differential amplifier, two-stage amplifier, and analog-to-digital converter | Shigemitsu Murayama, Yukitoshi Yamashita, Junji Toyomura | 2012-02-21 |
| 8018368 | A/D converter | Shigemitsu Murayama, Hiroaki Yatsuda, Kohei Kudo | 2011-09-13 |
| 7898449 | Differential operational amplifier circuit correcting settling error for use in pipelined A/D converter | Shoji Kawahito, Kazutaka Honda, Kuniyuki Tani, Akira Kurauchi, Koji Sushihara +1 more | 2011-03-01 |
| 7834786 | Sample hold circuit for use in time-interleaved A/D converter apparatus including paralleled low-speed pipeline A/D converters | Shoji Kawahito, Zheng Liu, Kuniyuki Tani, Akira Kurauchi, Koji Sushihara +1 more | 2010-11-16 |
| 7696916 | Parallel type analog-to-digital conversion circuit, sampling circuit and comparison amplification circuit | Shigemitsu Murayama, Kohei Kudo, Hiroaki Yatsuda | 2010-04-13 |
| 7675451 | Serial-parallel type analog-to-digital converter and analog-to-digital conversion method | Shigemitsu Murayama, Kohei Kudo, Hiroaki Yatsuda | 2010-03-09 |
| 7649486 | Flash A/D converter | Junji Toyomura, Yukitoshi Yamashita, Shogo Nakamura, Norifumi Kanagawa, Koichi Ono | 2010-01-19 |
| 7612700 | Pipeline type A/D converter apparatus provided with precharge circuit for precharging sampling capacitor | Shoji Kawahito, Kazutaka Honda, Kuniyuki Tani, Akira Kurauchi, Koji Sushihara | 2009-11-03 |
| 7564395 | Subranging converter for converting an analog signal into an N-bit digital signal | Shigemitsu Murayama, Kohei Kudo | 2009-07-21 |
| 7528673 | Oscillator circuit and semiconductor device having oscillator circuit | Akihisa Shibuya, Koji Tsukamoto, Tsuyoshi Tanaka | 2009-05-05 |
| 7504980 | Semiconductor device | Shigemitsu Murayama, Kohei Kudo, Hiroaki Yatsuda | 2009-03-17 |
| 7215159 | Comparator, sample-and-hold circuit, differential amplifier, two-stage amplifier, and analog-to-digital converter | Shigemitsu Murayama, Yukitoshi Yamashita, Junji Toyomura | 2007-05-08 |
| 7042384 | Differential amplifier device, 2-stage amplifier device, and analog/digital converter device | Shigemitsu Murayama, Kohhei Kudoh | 2006-05-09 |
| 6985030 | Differential amplifier, two-stage amplifier including the differential amplifier, and analog-to-digital converter including the differential amplifier | Hideyuki Katsuta, Yukitoshi Yamashita, Nobuhiko Yokoyama | 2006-01-10 |
| 6833742 | Starter circuit | Keiko Asai | 2004-12-21 |
| 6242898 | Start-up circuit and voltage supply circuit using the same | Tomoyuki Nasu | 2001-06-05 |
| 6043699 | Level shift circuit | — | 2000-03-28 |