Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11108449 | Radio communication apparatus, radio communication system and radio communication method | Jin Mitsugi, Haruhisa Ichikawa, Yuusuke Kawakita | 2021-08-31 |
| 10205587 | Wireless communication system | Jin Mitsugi, Yuki Igarashi, Haruhisa Ichikawa, Yuusuke Kawakita | 2019-02-12 |
| 7843394 | Radio antenna unit and mobile radio device equipped with the same | Yoshio Koyanagi, Hiroshi Haruki | 2010-11-30 |
| 7821463 | Mobile telephone with broadcast receiving element | Tomoaki Nishikido, Yutaka Saito, Yukari Yamazaki, Yoshio Koyanagi | 2010-10-26 |
| 7453405 | Portable wireless device | Tomoaki Nishikido, Yutaka Saito, Yoshio Koyanagi | 2008-11-18 |
| 7436364 | Mobile radio apparatus | Tomoaki Nishikido, Yutaka Saito, Hiroshi Haruki, Yoshio Koyanagi | 2008-10-14 |
| 7002521 | Antenna device for radio apparatus | Hideo Ito | 2006-02-21 |
| 6987485 | Built-in antenna for radio communication terminal | Hideo Ito | 2006-01-17 |
| 6924769 | Antenna for communication terminal apparatus | Hideo Ito | 2005-08-02 |
| 6271796 | Built-in antenna for radio communication terminals | Hideo Itoh | 2001-08-07 |
| 6246372 | Extendable whip antenna | Masazumi Yamazaki, Yoshio Koyanagi, Hidehiro Yanagibashi | 2001-06-12 |