Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8860473 | Ringing suppression circuit | Youichirou Suzuki, Noboru Maeda, Hiroyuki Obata, Tomohisa Kishigami | 2014-10-14 |
| 8598918 | Differential communication device | Youichirou Suzuki, Noboru Maeda, Yasuhiro Fukagawa, Takahisa Koyasu, Tomohisa Kishigami | 2013-12-03 |
| 8587279 | Power conversion apparatus | Fan Wang, Tomonori Kimura, Atsushi Kobayashi, Hideaki Ishihara | 2013-11-19 |
| 8427220 | Ringing suppression circuit | Youichirou Suzuki, Noboru Maeda, Hiroyuki Obata, Tomohisa Kishigami | 2013-04-23 |
| 8405538 | Cyclic A/D converter | Tetsuya Makihara, Kazutaka Honda | 2013-03-26 |
| 8344929 | A/D converter device and signal processing unit | Tetsuya Makihara | 2013-01-01 |
| 8324968 | Amplifier circuit, signal processor circuit, and semiconductor integrated circuit device | Kazutaka Honda, Tetsuya Makihara | 2012-12-04 |
| 8179106 | DC-DC converter | Norihito Tokura, Hisato Kato, Norikazu Kanatake | 2012-05-15 |
| 7746254 | Sample and hold circuit, multiplying D/A converter having the same, and A/D converter having the same | Tetsuya Makihara | 2010-06-29 |
| 7746261 | Variable gain amplifier and D/A converter | — | 2010-06-29 |
| 7626524 | Multi-channel sample and hold circuit and multi-channel A/D converter | — | 2009-12-01 |
| 7486218 | Cyclic analog-to-digital converter | — | 2009-02-03 |
| 7183811 | Comparing circuit, comparator, level determining circuit and threshold voltage setting method | Takashi Sakurai | 2007-02-27 |
| 7030803 | Analog-to-digital converter and method of analog-to-digital conversion | Takuya Harada, Takuya Honda, Nobuyuki Tanaka | 2006-04-18 |
| 6870403 | Comparing circuit, comparator, level determining circuit and threshold voltage setting method | Takashi Sakurai | 2005-03-22 |
| 6836236 | Digital to analogue converter and analogue to digital converter using the same | — | 2004-12-28 |
| 6559626 | Voltage regulator | — | 2003-05-06 |
| 6531921 | Operational amplifier | — | 2003-03-11 |
| 6320530 | Recycling A/D converter | — | 2001-11-20 |
| 6054876 | Buffer circuit | Hirofumi Isomura, Takuya Harada | 2000-04-25 |
| 6054887 | Offset voltage correction circuit | Takuya Harada | 2000-04-25 |
| 5841301 | Valuable threshold waveform shaping apparatus | Takuya Harada | 1998-11-24 |
| 5742198 | Waveform shaping apparatus | Takuya Harada | 1998-04-21 |
| 5708378 | Frequency-to-voltage converting apparatus | Takuya Harada | 1998-01-13 |