Inventor
Ryusuke Moriya
Inventor
Hadano, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer50%
H04NPictorial communication, e.g. television25%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters13%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses13%
PatentTitleYear
4,482,928'Tracking control system for magnetic recording and reproducing system'19844,445,145'Video signal reproducing apparatus'19844,438,465'Tracking control system for an information signal recording and reproducing apparatus'19844,418,366'Head control and signal selector for playback at high-speed of helical scan video tape'19834,376,268'Phase locked loop having automatic-input tuning and phase control circuits'19834,086,520'Speed and phase control system'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1984Patents assigned to SONY CORP (6)· patent assignee history
1978Based in Tokyo, JP· patent location history
1983–1984Based in Hadano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 6 | 1978–1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hadano, JP | 5 | 1983–1984 |
| Tokyo, JP | 1 | 1978 |