Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7212164 | Radio terminal device antenna and radio terminal device | Kentaro Miyano, Yoichi Nakagawa, Masahiro Mimura, Yoshio Koyanagi | 2007-05-01 |
| 6459412 | Antenna unit | Yoshio Koyanagi, Hisashi Morishita | 2002-10-01 |
| 4701763 | Small antenna | Junko Yamamoto, Kazuhiro Hirasawa, Haruhiro Kuboyama | 1987-10-20 |