Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061342 | Code division multiple access apparatus | Kazuo Tsubouchi, Toshiyuki Azuma | 2000-05-09 |
| 6018641 | Radio IC card system | Kazuo Tsubouchi, Toshiyuki Azuma | 2000-01-25 |
| 5995806 | Radio data transmitter and receiver | Kazuo Tsubouchi, Toshiyuki Azuma | 1999-11-30 |
| 5905449 | Radio switching apparatus | Kazuo Tsubouchi, Toshiyuki Azuma | 1999-05-18 |