Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9769571 | Loudspeaker and electronic apparatus using the loudspeaker | Akira Asano, Tomoyuki Matsunaga | 2017-09-19 |
| 8879758 | Loudspeaker, electronic apparatus using same, and mobile apparatus | Kenji Yamauchi, Masatoshi Okuyama, Satoshi Takayama, Satoshi Koura, Shoji Nakajima +2 more | 2014-11-04 |
| 8126188 | Speaker and method of producing the same | Tomoyasu Takase, Kazuya Yamasaki, Kazutaka Kubo, Masahide Sumiyama | 2012-02-28 |
| 7877856 | Method of manufacturing a speaker | Takanori Fukuyama, Tomoyasu Takase, Koji Sano, Hiroshi Yano, Masanori Nakano +6 more | 2011-02-01 |
| 7634102 | Speaker and device using the same | Tomoyasu Takase, Kazuya Yamasaki, Kazutaka Kubo, Takeshi Shimokawatoko, Masahide Sumiyama | 2009-12-15 |
| 7630508 | Electro-acoustic transducer and electronic apparatus using it | Kazuki Honda, Koji Sano, Tomoyasu Takase, Takanori Fukuyama, Masahide Sumiyama | 2009-12-08 |
| 7548632 | Speaker, module using the same, electronic equipment and device, and speaker producing method | Takanori Fukuyama, Tomoyasu Takase, Koji Sano, Hiroshi Yano, Masanori Nakano +6 more | 2009-06-16 |
| 7527516 | Portable electronic device | Kazuki Honda, Toshiharu Takahashi, Shoji Nakajima, Kyoichi Hasegawa, Masahide Sumiyama | 2009-05-05 |
| 7519191 | Loudspeaker, manufacturing method thereof, and mobile telephone using the same | Hiroshi Yano, Takeshi Shimokawatoko | 2009-04-14 |
| 7362877 | Electric acoustic converter and electronic device using the same | Kazuki Honda, Koji Sano, Kazutaka Kubo, Kazuya Yamasaki, Hiroshi Yano +4 more | 2008-04-22 |
| D533163 | Speaker | Tomoyasu Takase, Kazutaka Kubo, Kazuya Yamasaki | 2006-12-05 |
| 6600400 | Electromagnetic electro-acoustic transducer | Kimihiro Andou, Masaki Suzumura, Katsuhiko Minaga, Shuji Saiki, Sawako Usuki | 2003-07-29 |
| 6373958 | Electrical/mechanical/sound converter and apparatus of electrical/mechanical/sound conversion | Masakuni Hirata, Takanori Fukuyama, Mitsukazu Kuze | 2002-04-16 |
| 6278739 | Digital data transmission apparatus | Yoshio Kamiura | 2001-08-21 |
| 6175682 | High-speed filing system | Shosuke Tanaka | 2001-01-16 |
| 6045041 | Cassette managing system | Shosuke Tanaka, Teruyuki Yoshida | 2000-04-04 |
| 6002455 | Digital data transfer apparatus using packets with start and end synchronization code portions and a payload portion | Yoshio Kamiura | 1999-12-14 |
| 5923384 | Data transmission system capable of routing and transmitting digital data of different types | Yoshio Kamiura | 1999-07-13 |
| 5889732 | Sounder | Takanori Fukuyama, Yoshinobu Sengiku, Kazuhiro Yoshida, Kazuya Yamasaki | 1999-03-30 |
| 5659877 | System for distributing broadcasting material and identifying segment data | Mamoru Ishiguro, Masato Yokota, Shingo Yamauchi | 1997-08-19 |
| 4528600 | Editing control system | Mamoru Ishiguro | 1985-07-09 |