Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363430 | Cordless telephone apparatus having a low power stand-by mode and a hold mode | Masato Yamagata, Yoshikazu Tanaka | 1994-11-08 |
| 4650931 | Cordless telephone | Masato Yamagata | 1987-03-17 |
| 4640987 | Cordless telephone | Masato Yamagata | 1987-02-03 |
| 4639550 | Cordless telephone | Masato Yamagawa | 1987-01-27 |
| 4267467 | Timer circuit | — | 1981-05-12 |
| 4205274 | Power amplifier circuit | — | 1980-05-27 |