Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9207255 | Signal processing device and amplifier | — | 2015-12-08 |
| 9000824 | Offset cancel circuit | Masato Miyazaki | 2015-04-07 |
| 8653803 | Voltage generation circuit | Norihiro Kawagishi, Nobuaki Tsuji | 2014-02-18 |
| 8299853 | Class D amplifier | — | 2012-10-30 |
| 8289075 | Class-D amplifier | Tatsuya Kishii, Moritaka Iyoda, Hirotoshi Tsuchiya, Masayoshi Nakamura, Masato Miyazaki +1 more | 2012-10-16 |
| 8232832 | Voltage adder circuit and D/A converter circuit | Nobuaki Tsuji | 2012-07-31 |
| 8054129 | Class D amplifier | — | 2011-11-08 |
| 7671673 | Class-D amplifier | — | 2010-03-02 |
| 7482870 | Class D amplifier | Masayuki Iwamatsu | 2009-01-27 |
| 7449948 | Amplifier | — | 2008-11-11 |
| 7215191 | Device for amplitude adjustment and rectification made with MOS technology | — | 2007-05-08 |
| 7183840 | Class-D amplifier | — | 2007-02-27 |
| 7167046 | Class-D amplifier | — | 2007-01-23 |
| 6956431 | Pulse width modulation amplifier | — | 2005-10-18 |
| 6791392 | Circuit for shifting an input signal level including compensation for supply voltage variation | Akihiko Toda | 2004-09-14 |
| 6788792 | Device for amplitude adjustment and rectification made with MOS technology | Masao Noro | 2004-09-07 |
| 6696877 | Level shift circuit | Akihiko Toda | 2004-02-24 |
| 6542033 | Differential amplifier circuit requiring small amount of bias current in a non-signal mode | — | 2003-04-01 |
| 6061279 | Delay circuit for analog signals | Akihiro Toda, Masao Noro | 2000-05-09 |
| 6018262 | CMOS differential amplifier for a delta sigma modulator applicable for an analog-to-digital converter | Masao Noro, Yusuke Yamamoto | 2000-01-25 |
| 5973536 | Switched capacitor filter | — | 1999-10-26 |
| 5949360 | Analog/digital converter utilizing time-shared integrating circuitry | — | 1999-09-07 |
| 5940019 | Delta-sigma A/D converter | — | 1999-08-17 |
| 5888080 | Low insertion pressure connector | — | 1999-03-30 |
| 5757299 | Analog-Digital converter using delta sigma modulation digital filtering, and gain-scaling | Masao Noro, Yusuke Yamamoto | 1998-05-26 |