Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9634688 | Integrator, delta-sigma modulator, and communications device | Takashi Morie, Kazuo Matsukawa | 2017-04-25 |
| 9438268 | Current type D/A converter, delta sigma modulator, and communications device | Takashi Morie, Kazuo Matsukawa, Masashi Uchida | 2016-09-06 |
| 9287887 | DEM circuit, delta-sigma modulator, D/A converter, and wireless communication device | Koji Obata, Kazuo Matsukawa | 2016-03-15 |
| 9178530 | Delta sigma modulator, as well as receiver device and wireless communication device provided with same | Kazuo Matsukawa, Koji Obata, Shiro Dosho | 2015-11-03 |
| 8981978 | Resonator and oversampling A/D converter | Shiro Dosho, Kazuo Matsukawa | 2015-03-17 |
| 8963753 | Oversampling A/D converter | Shiro Dosho, Kazuo Matsukawa, Masao Takayama | 2015-02-24 |
| 8937567 | Delta-sigma modulator, integrator, and wireless communication device | Koji Obata, Kazuo Matsukawa, Shiro Dosho | 2015-01-20 |
| 8872684 | Resonant filter, delta-sigma A/D converter, and semiconductor device | Kazuo Matsukawa, Koji Obata | 2014-10-28 |
| 8823567 | Resonator, delta-sigma modulator, and wireless communication device | Kazuo Matsukawa, Masao Takayama, Koji Obata, Shiro Dosho | 2014-09-02 |
| 8604956 | Resonator and oversampling A/D converter | Shiro Dosho, Kazuo Matsukawa | 2013-12-10 |
| 8466820 | Oversampling A/D converter | Shiro Dosho, Kazuo Matsukawa, Masao Takayama | 2013-06-18 |
| 8258990 | Integrator, resonator, and oversampling A/D converter | Shiro Dosho, Takashi Morie, Kazuo Matsukawa, Masao Takayama | 2012-09-04 |
| 7979038 | PLL modulation circuit, radio transmission device, and radio communication device | Shunsuke Hirano, Kaoru Ishida | 2011-07-12 |
| 7498689 | Power supply device for vehicle | Toshihiko Ohashi | 2009-03-03 |
| 7157985 | PLL modulation circuit and polar modulation apparatus | Shunsuke Hirano | 2007-01-02 |