Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10951977 | Speaker | Naomichi Yanagidate | 2021-03-16 |
| 8583717 | Signal processing circuit | Kohei Teramoto, Masaru Kimura, Fuminori Saito | 2013-11-12 |
| 8442177 | Signal receiving apparatus and signal transmitting system | Kohei Teramoto, Masaru Kimura, Fuminori Saito | 2013-05-14 |
| 8358790 | Band-splitting time compensation signal processing device | Kohei Teramoto, Masaru Kimura | 2013-01-22 |
| 8284088 | Digital to-analog converter | Kohei Teramoto, Seiki Suzuki, Takahisa Aoyagi, Jun Yoshida, Ryoichi Hamahashi | 2012-10-09 |
| 7057456 | Class D amplifier | Kenichi Taura, Masayuki Tsuji, Masayuki Ishida | 2006-06-06 |
| 7050594 | Sound control unit and sound system | Teruho Yamada, Susumu Fujiwara, Noboru Kyouno | 2006-05-23 |
| 6989714 | Class D amplifier | Kenichi Taura, Masayuki Tsuji, Masayuki Ishida | 2006-01-24 |
| 6924700 | Class D amplifier | Kenichi Taura, Masayuki Tsuji, Masayuki Ishida | 2005-08-02 |
| 6810129 | Waterproof speaker for use in an automobile | — | 2004-10-26 |
| 6371241 | Speaker device | Teruho Yamada, Seiji Mori, Toshikazu Iwasaki | 2002-04-16 |