Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856048 | Mobile communication system | Koji Yamamoto, Akihisa Nakajima, Hiroshi Sawada, Noriteru Shinagawa | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856048 | Mobile communication system | Koji Yamamoto, Akihisa Nakajima, Hiroshi Sawada, Noriteru Shinagawa | 1989-08-08 |