Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32194 | Means for compatibly reproducing video discs recorded according to different broadcast standards | Toyotaka Machida, Toshimasa Kumazaki, Yasuaki Watanabe, Yuichi Ikemura | 1986-06-24 |
| 4491876 | Video recording by frequency modulation of luminance and multiplexed chroma components | Toyotaka Machida, Toshimasa Kumazaki, Kazuyuki Suenaga | 1985-01-01 |
| 4490752 | Rotary recording medium having a selectively reproducible continuous stream of audio signals recorded thereon and reproducing apparatus therefor | Toyotaka Machida | 1984-12-25 |
| 4445143 | Means for compatibly reproducing video discs recorded according to different broadcast standards | Toyotaka Machida, Toshimasa Kumazaki, Yasuaki Watanabe, Yuichi Ikemura | 1984-04-24 |