Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11915883 | Electret | Noriyuki Matsushita, Yoshihiro Kozawa, Kazuhiko Kanoh, Yumi Tanaka, Hirotoshi Otsuka | 2024-02-27 |
| 8692719 | Multiband antenna and electronic device | Shigeru Yagi | 2014-04-08 |
| 8681060 | Multiband antenna and electronic device | — | 2014-03-25 |
| 8400364 | Multiband planar antenna and electronic equipment | Shigeru Yagi | 2013-03-19 |
| 8111200 | Planar antenna and electronic device | Shigeru Yagi, Fuminori Sano | 2012-02-07 |