Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642400 | Communication apparatus used for communicating in accordance with a multi-channel access method | Mitsuhiro Watanabe, Masashi Hamada | 1997-06-24 |
| 5613220 | Radio communication apparatus | — | 1997-03-18 |
| 5602910 | Control apparatus for switching station connections using a holding tone | Yuichiro Tsutsui, Minoru Ogata, Shoji Suzuki, Shinji Tsuchida, Shigeru Hiroki | 1997-02-11 |
| 5594944 | Communication channel selection method | Minoru Ogata, Shoji Suzuki, Shinji Tsuchida, Yuichiro Tsutsui, Shigeru Hiroki | 1997-01-14 |