Issued Patents All Time
Showing 25 most recent of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9178530 | Delta sigma modulator, as well as receiver device and wireless communication device provided with same | Yosuke Mitani, Kazuo Matsukawa, Koji Obata | 2015-11-03 |
| 9081370 | Time-to-digital converter and an A/D converter including the same | — | 2015-07-14 |
| 9024793 | Oversampling time-to-digital converter | Masao Takayama | 2015-05-05 |
| 8988269 | Time difference adjustment circuit and time-to-digital converter including the same | — | 2015-03-24 |
| 8981978 | Resonator and oversampling A/D converter | Kazuo Matsukawa, Yosuke Mitani | 2015-03-17 |
| 8976054 | Time-to-digital conversion circuit and time-to-digital converter including the same | Masao Takayama, Takuji Miki | 2015-03-10 |
| 8963753 | Oversampling A/D converter | Kazuo Matsukawa, Masao Takayama, Yosuke Mitani | 2015-02-24 |
| 8941526 | Time integrator and ΔΣ time-to-digital converter | Masao Takayama, Takuji Miki | 2015-01-27 |
| 8937567 | Delta-sigma modulator, integrator, and wireless communication device | Koji Obata, Kazuo Matsukawa, Yosuke Mitani | 2015-01-20 |
| 8896477 | Time-to-digital converter | Masao Takayama | 2014-11-25 |
| 8890741 | A/D converter | Masao Takayama, Takuji Miki | 2014-11-18 |
| 8847812 | Time-to-digital conversion stage and time-to-digital converter including the same | Takuji Miki | 2014-09-30 |
| 8823567 | Resonator, delta-sigma modulator, and wireless communication device | Yosuke Mitani, Kazuo Matsukawa, Masao Takayama, Koji Obata | 2014-09-02 |
| 8674864 | Integrator and oversampling A/D converter having the same | — | 2014-03-18 |
| 8665129 | Complex second-order integrator and oversampling A/D converter having the same | — | 2014-03-04 |
| 8604956 | Resonator and oversampling A/D converter | Kazuo Matsukawa, Yosuke Mitani | 2013-12-10 |
| 8466820 | Oversampling A/D converter | Kazuo Matsukawa, Masao Takayama, Yosuke Mitani | 2013-06-18 |
| 8258990 | Integrator, resonator, and oversampling A/D converter | Takashi Morie, Kazuo Matsukawa, Yosuke Mitani, Masao Takayama | 2012-09-04 |
| 8212624 | Reference frequency generation circuit, semiconductor integrated circuit, and electronic device | Yusuke Tokunaga, Shiro Sakiyama, Akinori Matsumoto | 2012-07-03 |
| 8130608 | Coupled ring oscillator and method for initializing the same | Akinori Matsumoto, Shiro Sakiyama, Yusuke Tokunaga, Takashi Morie | 2012-03-06 |
| 8040168 | Charge pump circuit | Shiro Sakiyama, Yusuke Tokunaga, Toru Iwata, Takashi Hirata | 2011-10-18 |
| 8013650 | Phase adjustment circuit | Shiro Sakiyama, Yusuke Tokunaga, Seiji Watanabe, Hiroshi Koshida | 2011-09-06 |
| 7978013 | Phase synchronizing circuit | Kazuaki Sogawa, Yuji Yamada, Naoshi Yanagisawa | 2011-07-12 |
| 7936295 | Digital/analog converter circuit | Yusuke Tokunaga, Shiro Sakiyama, Yasuyuki Doi, Kurumi Nakayama | 2011-05-03 |
| 7920002 | Pulse synthesis circuit | Shiro Sakiyama, Yusuke Tokunaga, Akinori Matsumoto, Takashi Morie, Kazuaki Sogawa +2 more | 2011-04-05 |