Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8660483 | Antenna switching system and antenna switching method | Masakazu Kato, Jun Yaginuma | 2014-02-25 |
| 8436782 | Communication antenna device | Tomonori Sugiyama, Naohiro Matsushita, Masakazu Kato, Sadatoshi Oishi, Jun Yaginuma | 2013-05-07 |