Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801526 | Sealing device | Yoshio Hoshino, Hisatoshi Odaka, Takafumi Nakamura, Yoshiyuki Abe | 2020-10-13 |
| 9674595 | Speaker and manufacturing method thereof | Masamichi Ara, Toshinori Yamaji, Keiji Ishikawa | 2017-06-06 |
| 9161109 | Loudspeaker, and electronic apparatus and mobile device using the loudspeaker | Shinya Kagawa, Goro Tsuchiya, Koji Sano, Akihiro Yogo, Mitsukazu Kuze | 2015-10-13 |
| 9008350 | Loudspeaker, electronic device and mobile device both including the same, and method of producing the same | Toshinori Yamaji, Keiji Ishikawa, Masamichi Ara | 2015-04-14 |
| 8608177 | Sealing system | Yoshiyuki Abe | 2013-12-17 |
| 8496251 | Sealing system | Yoshiyuki Abe | 2013-07-30 |
| 8428283 | Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker | Kazuyoshi Mimura, Shinya Mizone, Masahide Sumiyama, Toru Fujii | 2013-04-23 |
| 8343313 | Plant for production of paper-made part for speaker, paper-made part for speaker produced thereby, and speaker utilizing the same | Kazuyoshi Mimura, Shinya Mizone, Masahide Sumiyama, Toru Fujii | 2013-01-01 |
| 8199964 | Speaker diaphragm, speaker dust cap, speaker sub-cone, speaker using these components, and electronic apparatus using the same | Kazuyoshi Mimura, Shinya Mizone, Masahide Sumiyama, Toru Fujii, Yoshiyuku Takahashi +3 more | 2012-06-12 |
| 8144912 | Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker | Kazuyoshi Mimura, Shinya Mizone, Masahide Sumiyama, Toru Fujii | 2012-03-27 |
| 7316289 | Electro-acoustic transducer and method of manufacturing transducer | Kimihiro Ando, Masashi Kawabe | 2008-01-08 |
| 7082668 | Electro-acoustic transducer having vibrating function and method of manufacturing the same | Kimihiro Ando | 2006-08-01 |
| 6915555 | Method for manufacturing speaker | — | 2005-07-12 |
| 6914185 | Enameled wire, method of soldering the wire and electro-acoustic transducer | — | 2005-07-05 |