Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662049 | Combustion method and apparatus | Makoto Shimizu, Minoru Asai, Takeichi Kondo, Hiroshi Aramaki, Masanobu Naito | 1997-09-02 |
| 5640678 | Macrocell-microcell communication system with minimal mobile channel hand-off | Hiroyasu Ishikawa, Hideo Kobayashi | 1997-06-17 |
| 5596641 | Authentication method for mobile communications | Masayoshi Ohashi, Toshinori Suzuki, Akira Yamaguchi, Seiichiro Sakai, Toshio Mizuno | 1997-01-21 |