Issued Patents All Time
Showing 1–25 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9479127 | Power amplification apparatus and control method | Masahiro Kumagawa | 2016-10-25 |
| 9240812 | Power amplification device and transmitter | Masahiro Kumagawa, Akinori Daimo | 2016-01-19 |
| 9148089 | Transmitting apparatus and transmission method | Masakatsu Maeda, Masahiro Kumagawa, Akinori Daimo, Kenichi Mori | 2015-09-29 |
| 9130610 | Transmission apparatus and transmission method | Masakatsu Maeda, Akinori Daimo, Kenichi Mori | 2015-09-08 |
| 7973609 | Digitally-controlled oscillator, frequency synthesizer and radio communication device | Atsushi Ohara, Shinichiro Uemura | 2011-07-05 |
| 7944994 | Data converter and data conversion method, and transmitter circuit, communications device and electronic device using the same | Toru Matsuura | 2011-05-17 |
| 7925226 | Transmission circuit | Toru Matsuura | 2011-04-12 |
| 7876170 | Frequency modulator, frequency modulating method, and wireless circuit | Makoto Sakakura | 2011-01-25 |
| 7855668 | Delta sigma A/D modulator | Taiji Akizuki, Masahiko Sagisaka | 2010-12-21 |
| 7855588 | Clock signal generation apparatus | Masahiko Sagisaka, Taiji Akizuki | 2010-12-21 |
| 7817725 | Data converter device and data conversion method, and transmitter circuit, communications device and electronic device using the same | Toru Matsuura | 2010-10-19 |
| 7777663 | Discrete time amplifier circuit and analong-digital converter | Taiji Akizuki, Tomoaki Maeda | 2010-08-17 |
| 7725082 | Radio communication apparatus, radio communication method, antenna apparatus and first duplexer | Toshifumi Nakatani, Atsushi Yamamoto | 2010-05-25 |
| 7702299 | Modulation circuit device, modulation method and radio communication device | Toru Matsuura, Masaharu Udagawa | 2010-04-20 |
| 7696830 | Digital controlled oscillator, frequency synthesizer, radio communication apparatus using the same, and control method for the same | Atsushi Ohara | 2010-04-13 |
| 7688156 | Polar modulation transmission circuit and communication device | Toru Matsuura | 2010-03-30 |
| 7634022 | Polar modulator and wireless communication apparatus using the same | Shigeru Morimoto, Toru Matsuura | 2009-12-15 |
| 7619550 | Delta-sigma AD converter apparatus using delta-sigma modulator circuit provided with reset circuit resetting integrator | Tomoaki Maeda, Taiji Akizuki | 2009-11-17 |
| 7573949 | Transmitter circuit, transmission method, and communications device using the transmitter circuit | Toru Matsuura | 2009-08-11 |
| 7515080 | A/D converter | Taiji Akizuki, Tomoaki Maeda | 2009-04-07 |
| 7515079 | Method of controlling delta-sigma modulator and delta-sigma modulator | Tomoaki Maeda, Taiji Akizuki | 2009-04-07 |
| 7499502 | Amplifier, information communication apparatus and amplification method | Shigeru Morimoto, Toru Matsuura | 2009-03-03 |
| 7496151 | Transmitting circuit, communication equipment, audio equipment, video equipment, and transmitting method | Toru Matsuura | 2009-02-24 |
| 7493091 | Transmission circuit and communication device | Toru Matsuura, Kaoru Ishida | 2009-02-17 |
| 7466257 | Delta-sigma AD converter | Taiji Akizuki, Tomoaki Maeda | 2008-12-16 |