Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9373621 | Analog circuit cell array having some transistors that include two connected gate electrodes and two connected source regions | Kenta Aruga, Koji Okada | 2016-06-21 |
| 8922289 | Oscillation circuit | Kazuhiro Mitsuda, Kogi Okada | 2014-12-30 |
| 8786358 | Reference voltage circuit and semiconductor integrated circuit | Yoshiyuki Endo, Kenta Aruga, Koji Okada | 2014-07-22 |
| 8519874 | Successive approximation A/D converter | Kenta Aruga, Sanroku Tsukamoto, Koji Okada | 2013-08-27 |
| 8513938 | Reference voltage circuit and semiconductor integrated circuit | Hiroyuki Matsunami, Yukinobu Tanida | 2013-08-20 |
| 8508307 | Oscillation circuit | Kazuhiro Mitsuda, Koji Okada | 2013-08-13 |
| 8456235 | Regulator circuit | Kenta Aruga, Tatsuo Kato | 2013-06-04 |
| 8436687 | Oscillating apparatus | Kenta Aruga, Koji Okada | 2013-05-07 |
| 8368577 | A/D converter | Kenta Aruga, Koji Okada | 2013-02-05 |
| 7952509 | Successive approximation A/D converter | Kenta Aruga, Koji Okada | 2011-05-31 |
| 7948304 | Constant-voltage generating circuit and regulator circuit | Kenta Aruga, Koji Okada | 2011-05-24 |
| 7928871 | Successive approximation A/D converter | Kenta Aruga, Koji Okada | 2011-04-19 |
| 7642945 | AD converter circuit and microcontroller | Ikuo Hiraishi, Azusa Saito | 2010-01-05 |
| 7586371 | Regulator circuit | Kenta Aruga, Tatsuo Kato | 2009-09-08 |
| 7414453 | Level conversion circuit | Tatsuo Kato | 2008-08-19 |
| 7342390 | Reference voltage generation circuit | Kenta Aruga, Tatsuo Kato | 2008-03-11 |
| 7236047 | Band gap circuit | Kazuhiro Mitsuda, Tatsuo Kato | 2007-06-26 |
| 7233273 | Analog-to-digital converter | Kazuhiro Mitsuda, Tatsuo Kato | 2007-06-19 |
| 7199745 | Successive approximation A/D converter provided with a sample-hold amplifier | Kazuhiro Mitsuda, Tatsuo Kato | 2007-04-03 |
| 7196379 | MOS capacitor device | Tomonari Morishita, Hideo Nunokawa, Fukuji Kihara | 2007-03-27 |
| 7176740 | Level conversion circuit | Tatsuo Kato | 2007-02-13 |
| 7068116 | Oscillation circuit and semiconductor device free from the influence of source voltage, temperature and fluctuations in the inverter threshold voltage | Tatsuo Kato | 2006-06-27 |
| 7042299 | Crystal oscillation circuit | Tomonari Morishita, Fukuji Kihara, Makoto Kubota | 2006-05-09 |
| 7034514 | Semiconductor integrated circuit using band-gap reference circuit | Tatsuo Kato, Tomonari Morishita | 2006-04-25 |
| 6940739 | Semiconductor memory device | Hiroyuki Mizuno, Koichiro Ishibashi, Kenichi Osada | 2005-09-06 |