Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7079878 | Portable radio terminal capable of obtaining good polarization efficiency regardless of position and direction of antenna | Syuichi Sekine | 2006-07-18 |
| 6970136 | Antenna apparatus | Shuichi Sekine, Hiroshi Watanabe, Motoji Noda | 2005-11-29 |
| 6934557 | Portable type radio equipment | Shu-ichi Sekine, Takayoshi Itoh, Yuji Iseki, Naoko Ono, Keiichi Yamaguchi +4 more | 2005-08-23 |
| 6701167 | Portable radio terminal capable of obtaining good polarization efficiency regardless of position and direction of antenna | Syuichi Sekine | 2004-03-02 |
| 6661382 | Antenna apparatus | Shuichi Sekine, Hiroshi Watanabe, Motoji Noda | 2003-12-09 |
| 6377213 | Wave arrival direction estimating method and antenna apparatus having wave arrival direction estimating function | Hiroki Shoki | 2002-04-23 |
| 6346916 | Antenna apparatus and radio device using antenna apparatus | Syuichi Sekine | 2002-02-12 |
| 6336037 | Portable radio terminal device | Syuuichi Sekine, Toshiki Miyasaka | 2002-01-01 |