Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7557773 | Variable tuning antenna and mobile wireless device using same | Kenichi Mitsugi | 2009-07-07 |
| 5201060 | Baseband signal communication apparatus | Shinichi Haruyama, Yoshikazu Kawashima, Ko Ishikawa | 1993-04-06 |
| 5119099 | Microwave responder | Shinichi Haruyama, Yoshikazu Kawashima, Ko Ishikawa | 1992-06-02 |
| 4963887 | Full duplex transponder system | Yoshikazu Kawashima, Ko Ishikawa, Shinichi Haruyama | 1990-10-16 |