Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12086924 | Terminal device, method, and computer program | Mahoko Niiyama, Jun Oki, Kazuya Tanabe, Kaoru Toyoguchi, Tomohide Inomata | 2024-09-10 |
| 11330373 | Dome type diaphragm, balanced dome diaphragm, and speaker | Akira SHIGETA, Kazuyuki Inagaki | 2022-05-10 |
| 10079087 | Dither current power supply control method and dither current power supply control apparatus | Shuichi Matsumoto, Masato Nakanishi, Shingo Iguchi, Hiroyuki Arita | 2018-09-18 |
| 7678218 | Production method of an electroacoustic transducer diaphragm, electroacoustic transducer diaphragm, and an electroacoustic transducer | Yoshiaki Suzuki, Yoshiaki Tanaka | 2010-03-16 |
| 7677355 | Speaker diaphragms, manufacturing methods of the same, and dynamic speakers | Satoshi Imamura, Takeshi Hirano, Toshikatsu Kuwahata | 2010-03-16 |
| 7473203 | Transmission apparatus | — | 2009-01-06 |
| 7467686 | Speaker diaphragms, manufacturing methods of the same, and dynamic speakers | Satoshi Imamura, Takeshi Hirano, Toshikatsu Kuwahata | 2008-12-23 |
| 7378381 | Floor coating composition and floor coating composition additive | Zenichi Arai, Jun Iizuka, Shigeo Ueda | 2008-05-27 |