Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8200301 | Mobile wireless communication apparatus having a plurality of antenna elements | Atsushi Yamamoto, Hiroshi Iwai, Tsutomu Sakata, Yoshio Koyanagi | 2012-06-12 |
| 8200302 | Mobile wireless communication apparatus having a plurality of antenna elements | Atsushi Yamamoto, Hiroshi Iwai, Tsutomu Sakata, Yoshio Koyanagi | 2012-06-12 |
| 8190104 | MIMO antenna apparatus changing antenna elements based on transmission capacity | Atsushi Yamamoto, Hiroshi Iwai, Tsutomu Sakata, Yoshio Koyanagi | 2012-05-29 |
| 7557761 | Array antenna apparatus having at least two feeding elements and operable in multiple frequency bands | Hiroshi Iwai, Atsushi Yamamoto, Tsutomu Sakata, Kenichi Yamada | 2009-07-07 |