Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7289038 | Underwater sound radiation apparatus | Takayuki Watanabe | 2007-10-30 |
| 6881892 | Method of configurating acoustic correction filter for stringed instrument | Hideo Miyazaki, Youjiro Takabayashi | 2005-04-19 |
| 5818944 | Reverberation generating system for generating later part of reverberation from initial part of reverberation and method of generating the reverberation | Tsugumasa Takamiya, Tomomitsu Urai | 1998-10-06 |
| 5131051 | Method and apparatus for controlling the sound field in auditoriums | Yasushi Shimizu, Fukushi Kawakami | 1992-07-14 |