Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477843 | System for still or slow-motion reproduction of television pictures | Kazuo Tatsuguchi | 1984-10-16 |
| 4420827 | Disc reproducing system | Yoshiyo Wada, Ichiro Ueno | 1983-12-13 |
| 4404599 | Laser recording information and pilot signals for tracking on a grooveless recording | Keiji Ozawa | 1983-09-13 |
| 4402018 | System using a rotating medium for recording cinematographic picture images | Yoshiyo Wada, Keiji Ozawa, Kazuo Tatsuguchi, Kunio Goto, Atsumi Hirata | 1983-08-30 |
| RE31160 | Tracking control apparatus for use in apparatus for reproducing video signals from a rotary recording medium | — | 1983-02-22 |
| 4365279 | Magnetic recording and reproducing apparatus with device for tracking control of rotary magnetic heads | — | 1982-12-21 |
| 4331976 | High density recording system using side-by-side information and servo tracks | Keiji Ozawa | 1982-05-25 |
| 4327430 | Information signal recording medium of rotary type with overlapped tracks | Yoshiyo Wada, Ichiro Ueno | 1982-04-27 |
| 4322836 | High density recording system using side-by side information and servo tracks | Keiji Ozawa | 1982-03-30 |
| 4321621 | High density recording system using side-by-side information and servo tracks | Keiji Ozawa | 1982-03-23 |
| 4315283 | High density recording system using side-by-side information and servo tracks | Keiji Ozawa | 1982-02-09 |
| 4273967 | Stylus for reproducing capacitive videodisc | Yoshiyo Wada, Kunio Goto | 1981-06-16 |
| 4208671 | Color video recorder/reproducer | Keiji Ozawa | 1980-06-17 |
| 4199782 | Stylus for reproducing capacitive videodisc | Yoshiyo Wada, Kunio Goto | 1980-04-22 |
| 4190859 | Tracking control apparatus for use in apparatus for reproducing video signals from a rotary recording medium | — | 1980-02-26 |