Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704897 | Method for detecting shape of butt joint of welded steel pipe, and quality control method and apparatus for welded steel pipes using the shape detecting method | Takafumi HIRAMOTO, Teruo Ehara | 2020-07-07 |
| 8737644 | Reproducing apparatus and reproducing method | — | 2014-05-27 |
| 8374356 | Noise canceling apparatus and noise canceling method | Yoshio Sasaki | 2013-02-12 |
| 8195317 | Data reproduction apparatus and data reproduction method | Tokihiko Sawashi | 2012-06-05 |
| 8180002 | Digital signal processing device, digital signal processing method, and digital signal processing program | Tokihiko Sawashi | 2012-05-15 |
| 8175303 | Electronic apparatus for vehicle, and method and system for optimally correcting sound field in vehicle | Tokihiko Sawashi, Toshiaki Kobayashi | 2012-05-08 |
| 8130967 | Frequency-characteristic-acquisition device, frequency-characteristic-acquisition method, and sound-signal-processing device | — | 2012-03-06 |
| 7961893 | Measuring apparatus, measuring method, and sound signal processing apparatus | — | 2011-06-14 |
| 7949140 | Sound measuring apparatus and method, and audio signal processing apparatus | — | 2011-05-24 |
| 7769184 | Apparatus and method for measuring sound field | Akira Sakamoto, Tokihiko Sawashi, Koji Kobayashi, Masahiro Okuno | 2010-08-03 |