Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9178264 | Directional coupler and wireless communication device | Hajime Kuwajima, Toshiyasu Fujiwara, Yoshikazu Tsuya, Masami Sasaki | 2015-11-03 |
| 8324981 | Composite balun | Shoichi Ohi | 2012-12-04 |
| 7116185 | Balun | Shoichi Ohi, Hideya Matsubara | 2006-10-03 |