Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12114120 | Earphone housing and earphone | Hiroyuki AYAME, Tomoaki Mori, Kazuki Kashiwase, Sena Otsuka | 2024-10-08 |
| 9148730 | Electrostatic speaker | — | 2015-09-29 |
| 8983099 | Electrostatic loudspeaker | Kunimasa Muroi, Yoshikatsu Matsubara | 2015-03-17 |
| 8885853 | Electrostatic loudspeaker | Masayoshi Yamashita | 2014-11-11 |
| 8320601 | Earphone device and sound generating apparatus equipped with the same | Souichi Takigawa, Yoshikatsu Matsubara, Masahiro Sugiura | 2012-11-27 |
| 8300858 | Electrostatic speaker | Takao Nakaya | 2012-10-30 |
| 7015558 | Optical device free from stress due to difference in thermal expansion coefficient between parts and process for fabrication thereof | Naoshi Horiai | 2006-03-21 |
| 6961505 | Metal holder, optical component composite body and manufacturing method | Katsunori Suzuki, Yasunori Nishimura | 2005-11-01 |
| 6861272 | Optical device free from stress due to difference in thermal expansion coefficient between parts and process for fabrication thereof | Naoshi Horiai | 2005-03-01 |