Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8649763 | Highly secured portable telephone system and information system | Yasuhiko Sasaki, Masashi Yano, Hideo Munehiro, Toru Ishikawa | 2014-02-11 |
| 6055411 | Radio communication system having a wireless cell site | Kazuhito Ishida | 2000-04-25 |
| 5903843 | Traffic channel assignment based on traffic density and signal quality | Hideya Suzuki, Arata Nakagoshi, Masahiro Koya | 1999-05-11 |