Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247110 | Polyolefin microporous membrane | Manabu Sekiguchi, Ryoma Kawaguchi, Masaaki Kanao | 2025-03-11 |
| 11242440 | Polyolefin microporous membrane and production method thereof | Akihisa Yamashita | 2022-02-08 |
| 10959016 | Speaker position detection system, speaker position detection device, and speaker position detection method | — | 2021-03-23 |
| 10075803 | Speaker device | — | 2018-09-11 |
| 10038963 | Speaker device and audio signal processing method | Susumu Takumai, Keiichi Imaoka | 2018-07-31 |
| 9674609 | Speaker device and audio signal processing method | Susumu Takumai, Keiichi Imaoka | 2017-06-06 |
| 9356572 | Sound processing apparatus, sound system and sound processing method | Ryotaro Aoki | 2016-05-31 |
| 9294861 | Audio signal processing device | — | 2016-03-22 |
| 9247371 | Sound processing apparatus | Yuta Yuyama, Tomoko Ninomiya | 2016-01-26 |
| 8848943 | Signal processing device, signal processing method, and sound emitting system | — | 2014-09-30 |
| 8594336 | Sound image localization apparatus | — | 2013-11-26 |
| 8553893 | Sound processing device, speaker apparatus, and sound processing method | Naoya Moriya | 2013-10-08 |
| 8494189 | Virtual sound source localization apparatus | — | 2013-07-23 |
| 8340322 | Acoustic processing device | Tomoko Ninomiya | 2012-12-25 |
| 8199921 | Sound field controlling device | Kenichiro Takeshita, Katsuhiko Masuda | 2012-06-12 |
| 8121297 | Signal processing device and sound image orientation apparatus | Kenichiro Takeshita, Katsuhiko Masuda | 2012-02-21 |
| 8116468 | Stereophonic sound reproduction device | — | 2012-02-14 |
| 7929709 | Sound image localization apparatus | — | 2011-04-19 |
| 7133730 | Audio apparatus, controller, audio system, and method of controlling audio apparatus | Yasuhiro Fujimura | 2006-11-07 |
| 7095865 | Audio amplifier unit | Hirofumi Onitsuka | 2006-08-22 |
| 7050869 | Audio system conducting digital signal processing, a control method thereof, a recording media on which the control method is recorded | Yasuhiro Fujimura, Tetsuya Matsuyama | 2006-05-23 |
| 6747678 | Audio system, its control method and storage medium | Yasuhiro Fujimura, Tetsuya Matsuyama | 2004-06-08 |
| 6511716 | Method of surface treatment for recording medium | Yuichiro Itai, Yoshiharu Kasamatsu | 2003-01-28 |
| 6317293 | Magnetic head slider | — | 2001-11-13 |
| 6284120 | Method of electroplating and electrodeposit structure | Takahiro Imamura | 2001-09-04 |