Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9759618 | Pressure sensor and microphone | Hideaki Fukuzawa, Osamu Nishimura, Michiko Hara, Hiromi Yuasa, Yoshihiko Fuji +2 more | 2017-09-12 |
| 9756447 | Acoustic control apparatus | Osamu Nishimura, Takahiro Hiruma | 2017-09-05 |
| 9747885 | Noise reduction system | Tatsuhiko Goto, Osamu Nishimura | 2017-08-29 |
| 9628931 | Apparatus and method for locating an acoustic signal along a direction not overlapped with an arriving direction of an information sound | Keiichiro Someda, Takahiro Hiruma, Osamu Nishimura | 2017-04-18 |
| 9602928 | Speaker system having a sound collection unit for combining sound waves | Tatsuhiko Goto, Osamu Nishimura | 2017-03-21 |
| 9578414 | Active noise-reduction apparatus | Tatsuhiko Goto, Osamu Nishimura | 2017-02-21 |
| 9497562 | Sound field control apparatus and method | Takahiro Hiruma, Osamu Nishimura | 2016-11-15 |
| 9154880 | Apparatus and a method for controlling a sound field | Takahiro Hiruma, Osamu Nishimura | 2015-10-06 |
| 9088854 | Acoustic control apparatus | Osamu Nishimura, Takahiro Hiruma | 2015-07-21 |
| 8973446 | Pressure sensor and microphone | Hideaki Fukuzawa, Osamu Nishimura, Michiko Hara, Hiromi Yuasa, Yoshihiko Fuji +2 more | 2015-03-10 |
| 8611186 | Sound image localization apparatus | Osamu Nishimura | 2013-12-17 |
| 7866665 | Sheet conveying device and image forming apparatus | Masaki Takahashi | 2011-01-11 |
| 7828291 | Mechanism for conveying sheet | Takahiro Hiruma, Masaki Takahashi, Misato Ishikawa | 2010-11-09 |
| 7352870 | Active sound muffler and active sound muffling method | Osamu Nishimura, Tsutomu Shioyama | 2008-04-01 |
| 6901147 | Three-dimension active silencer | Takuro Hayashi, Kunio Matsukura, Satoshi Aoyagi, Tsutomu Shioyama | 2005-05-31 |
| 6768800 | Active noise controller and controlling method | Hajime Kudo, Yoshiyuki Sato | 2004-07-27 |
| 6192133 | Active noise control apparatus | Takuro Hayashi | 2001-02-20 |
| 5544074 | Method and apparatus for detecting the position of an abnormal site of a buried pipe | Takehiko Suzuki, Shozo Taniguchi, Kohji Kanemaru, Yoshiyuki Sato | 1996-08-06 |