Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321739 | Cordless telephone apparatus with message recording and reproducing means | — | 1994-06-14 |
| 5123043 | Radio communication method and system | Naoto Iwahashi, Takushi Kunihiro, Jun Nakai | 1992-06-16 |
| 4837802 | Radio communication method and system | Naoto Iwahashi, Takushi Kunihiro, Jun Nakai | 1989-06-06 |
| 4783844 | Apparatus for transmitting and recording signals | Michimasa Komatsubara, Masato Yamagata | 1988-11-08 |
| 4679225 | Signal transmission apparatus for a multiple channel system and method for using the same | — | 1987-07-07 |