Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11804849 | Infinite impulse response filters with dithering and methods of operation thereof | — | 2023-10-31 |
| 11323130 | Infinite impulse response filters with dithering and methods of operation thereof | — | 2022-05-03 |
| 8976980 | Modulation of audio signals in a parametric speaker | Keitaro Hashimoto | 2015-03-10 |
| 8782109 | Asynchronous sample rate conversion using a polynomial interpolator with minimax stopband attenuation | — | 2014-07-15 |
| 8275475 | Method and system for estimating frequency and amplitude change of spectral peaks | Steven Trautmann, Atsuhiro Sakurai | 2012-09-25 |
| 8210728 | LED illumination apparatus with feedback control means | Yuichiro Matsuo, Yoshihiro Shimada, Mitsuo Harada | 2012-07-03 |
| 8142270 | Game system and game control method | Hiroyuki Uchida | 2012-03-27 |
| 8085940 | Rebalancing of audio | Steven Trautmann, Atsuhiro Sakurai | 2011-12-27 |
| 8036394 | Audio bandwidth expansion | Akihiro Yonemoto | 2011-10-11 |
| 8019086 | Stereo synthesizer using comb filters and intra-aural differences | Yoshihide Iwata, Steven Trautmann | 2011-09-13 |
| 7920708 | Low computation mono to stereo conversion using intra-aural differences | Steven Trautmann | 2011-04-05 |
| 7885414 | Band-selectable stereo synthesizer using strictly complementary filter pair | Yoshihide Iwata, Steven Trautmann | 2011-02-08 |
| 7852553 | Microscope illumination apparatus | Yoshihiro Shimada | 2010-12-14 |
| 7715573 | Audio bandwidth expansion | Akihiro Yonemoto | 2010-05-11 |
| 7676043 | Audio bandwidth expansion | Ivan Setiawan, Yoshihide Iwata | 2010-03-09 |
| 7676048 | Graphic equalizers | — | 2010-03-09 |