Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11789489 | Vibration system, speaker apparatus and video displaying apparatus | Haruka Sakai, Emiko Ikeda, Naoya Kunikata | 2023-10-17 |
| 11350216 | Speaker diaphragm and speaker apparatus | Emiko Ikeda, Haruka Sakai | 2022-05-31 |
| 10154336 | Speaker apparatus | Nobukazu Suzuki, Kaneaki Fujishita | 2018-12-11 |
| 10111007 | Speaker device | Emiko Ikeda, Naoya Kunikata | 2018-10-23 |
| 9462392 | Speaker device with a magnetic gap filled with magnetic fluid and changing magnetic flux density in axial and circumferential directions | Emiko Ikeda, Keisuke Nakashita | 2016-10-04 |
| 8798309 | Speaker device with a magnetic gap filled with magnetic fluid and changing magnetic flux density in axial and circumferential direction | Emiko Ikeda, Keisuke Nakashita | 2014-08-05 |
| 8594361 | Speaker mounting member for display apparatus | Satoshi Noguchi, Emiko Ikeda, Hiroshi Iki | 2013-11-26 |
| 8335339 | Speaker unit and speaker apparatus | Emiko Ikeda | 2012-12-18 |
| 8300875 | Speaker diaphragm and speaker including the same | Toru Takebe, Kunihiko Tokura, Masaru Uryu, Emiko Ikeda | 2012-10-30 |
| 8224015 | Speaker, voice coil unit, and method of manufacturing the voice coil unit | Emiko Ikeda | 2012-07-17 |
| 7840025 | Loudspeaker damper and method of mounting loudspeaker damper | Emiko Ikeda | 2010-11-23 |
| 7708111 | Acoustic diaphragm and method for manufacturing an acoustic diaphragm | Masaru Uryu, Kunihiko Tokura, Emiko Ikeda | 2010-05-04 |
| 7527124 | Loudspeaker diaphragm | Kunihiko Tokura, Toru Takebe, Masaru Uryu | 2009-05-05 |
| 6269168 | Speaker apparatus | — | 2001-07-31 |
| 6259800 | Speaker and speaker apparatus | — | 2001-07-10 |