Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031175 | Communication control method for releasing communication apparatus from occupied state | Shotaro Tanaka, Masao Ikezaki, Yukiko Hase | 1991-07-09 |
| 4872162 | Communication system | Shotaro Tanaka, Masao Ikezaki, Yukiko Ono | 1989-10-03 |
| 4670856 | Data storage apparatus | Yasukazu Nishino | 1987-06-02 |