Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7801312 | Audio signal processing circuit | Kazumasa Takemura, Tetsuro Nakatake | 2010-09-21 |
| 7466568 | Switching power supply circuit | Tadashi Yamamoto, Koji Takatori | 2008-12-16 |
| 7242782 | Audio signal processing circuit | Kazumasa Takemura, Tetsuro Nakatake | 2007-07-10 |
| 7224217 | Switching amplifier | Kazuhiro Hida, Yoshitaka Handa, Sou Fujioka, Mamoru Sekiya | 2007-05-29 |
| 6956954 | Surround-sound processing system | Kazumasa Takemura, Tetsuro Nakatake, Sadatoshi Hisamoto | 2005-10-18 |
| 6912140 | Switching power supply | Kazuhiro Hida, Hiroyuki Hirano | 2005-06-28 |
| 6504934 | Apparatus and method for localizing sound image | Koichi Sadaie, Kenichiro Toyofuku, Kazumasa Takemura, Tetsuro Nakatake | 2003-01-07 |
| 6067360 | Apparatus for localizing a sound image and a method for localizing the same | Kazumasa Takemura, Tetsuro Nakatake, Koichi Sadaie, Kenichiro Toyofuku | 2000-05-23 |