Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548827 | Portable radio communication device capable of transmitting the same level of electrical energy when the antenna is stored or extended | Tetsuya Hanawa, Yutaka Takashima, Yoshihiro Matsumoto, Masayuki Ono | 1996-08-20 |