Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7911401 | Earphone antenna and wireless device including the same | Yoshitaka Yoshino, Toshiyuki Imagawa | 2011-03-22 |
| 7671813 | Earphone antenna and wireless device including the same | Yoshitaka Yoshino, Toshiyuki Imagawa | 2010-03-02 |
| 7236137 | Earphone antenna, composite coil and coaxial cable used therefor, and wireless device provided with the earphone antenna | Yoshitaka Yoshino, Toshiyuki Imagawa | 2007-06-26 |
| 6720924 | Antenna apparatus | Isao Tomomatsu, Takahiro Ueno, Toshiyuki Imagawa, Masayuki Ishiwa | 2004-04-13 |
| 6693604 | Small antenna | Takanori Washiro, Yoichi Iso, Toshiyuki Imagawa | 2004-02-17 |
| 6630906 | Chip antenna and manufacturing method of the same | Isao Tomomatsu, Masayuki Ishiwa, Takahiro Ueno, Toshiyuki Imagawa | 2003-10-07 |