Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11785385 | Shoulder-mounted speaker, sound image localization method, and non-transitory computer-readable medium | — | 2023-10-10 |
| 11076254 | Audio processing apparatus, audio processing system, and audio processing method | — | 2021-07-27 |
| 10932030 | Headphones | Hideyoshi MASUI | 2021-02-23 |
| 10860287 | Sound output device and sound output method | — | 2020-12-08 |
| 10735849 | Headphones | Hideyoshi MASUI | 2020-08-04 |
| 9124978 | Speaker array apparatus, signal processing method, and program | Susumu Takumai, Kazunori Tanaka | 2015-09-01 |
| 8428268 | Array speaker apparatus | Kenichiro Takeshita, Susumu Takumai | 2013-04-23 |
| 8369533 | Array speaker apparatus | Susumu Takumai | 2013-02-05 |
| 8315403 | Method for controlling directivity of loudspeaker apparatus and audio reproduction apparatus | Susumu Takumai | 2012-11-20 |
| 8223992 | Speaker array apparatus | Koji Suzuki | 2012-07-17 |
| 8199925 | Loudspeaker array audio signal supply apparatus | — | 2012-06-12 |
| 8194863 | Speaker system | Susumu Takumai | 2012-06-05 |
| 8189795 | Sound signal outputting device, sound signal outputting method, and computer-readable recording medium | — | 2012-05-29 |
| 8150068 | Array speaker system | Susumu Takumai | 2012-04-03 |
| 7970153 | Audio output apparatus | Susumu Takumai | 2011-06-28 |
| 7920710 | Loudspeaker apparatus | Takuya Tamaru | 2011-04-05 |
| 7656779 | Method for forming visible images on optical recording medium | Morito Morishima, Akira Usui | 2010-02-02 |
| 7580530 | Audio characteristic correction system | Akira Usui | 2009-08-25 |
| 7529376 | Directional speaker control system | — | 2009-05-05 |
| 7519187 | Array speaker system | — | 2009-04-14 |
| 7496023 | Method, program and system of forming visual image on optical disk | Morito Morishima, Akira Usui | 2009-02-24 |
| 7397923 | Array speaker system | — | 2008-07-08 |
| 7012864 | Optical disk recorder for writing data with variable density | Takuya Tamaru, Tatsuo Fushiki, Katsuichi Osakabe, Akira Usui, Kentaro Nomoto +2 more | 2006-03-14 |
| 5163018 | Digital signal processing circuit for carrying out a convolution computation using circulating coefficients | Yuji Ikegaya, Shinichi Muramatsu | 1992-11-10 |
| 5148384 | Signal processing integrated circuit | Yuji Ikegaya, Shinichi Sakai, Yuji Kakubo | 1992-09-15 |