Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211979 | Circuit arrangement for eliminating waveform distortion of an angle-modulated signal transmitted over multipaths | Masami Yamazaki, Yukinobu Ishigaki | 1980-07-08 |
| 4204091 | Cancellation of interference distortions caused by intermodulation between FM signals on adjacent channels | Yukinobu Ishigaki | 1980-05-20 |
| 4198609 | Phase tracked loop frequency demodulator | Yukinobu Ishigaki, Masaki Hagihara, Takeo Nasu, Kunihiro Kato | 1980-04-15 |