Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5450471 | Mobile telephone unit which combines operation of a portable mobile telephone and a vehicle telephone | Tetsuya Hanawa, Akihide Nishiyama, Hideki Kurebayashi, Kunio Watanabe, Hideharu Suzuki | 1995-09-12 |
| 4238851 | Packet transmission system | Osamu Takahashi | 1980-12-09 |