Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061020 | Method and apparatus for transmitting radio wave by rotating plane of polarization | Iwao Ishijima, Yasubumi Kanai, Michio Ishikawa, Akira Tsutsumi, Toshio Miyoshi | 2000-05-09 |