Inventor
Yoichirou Senshu
Inventor
Kanagawa, JP
Overview
Patents· 14 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 transducer61%
H04NPictorial communication, e.g. television30%
H05KPrinted circuits9%
PatentTitleYear
6,631,242'Apparatus for recording and reproducing digital picture data'20036,198,589'Video tape recording apparatus'20016,128,150'Video tape recording apparatus for recording reproduction control signals for stabilizing operation of a tape transport means'20005,862,293'Tracking control for digital signal reproducing and after-recording apparatus and method'1999RE035950'Recording medium cassette and a recording/reproducing apparatus'19985,671,101'Tracking control circuit for maintaining substantial balance between reproduced signal levels from plural rotary magnetic heads when tracking control is applied in respect to only one of the heads'19975,502,608'Tape cassette'19965,453,892'Rotary magnetic head drum with fluid bearing and with head chips mounted together in parallel'19955,390,870'Recording medium cassette and a recording/reproducing apparatus'19955,369,531'Digital video signal recording apparatus with leading and trailing heads displaced by a distance less than the distance between the ending edge of an auxiliary recording area and the starting edge of the video signal recording area'19945,359,428'Digital video recorder operable in standard and long play modes'19945,322,237'Lid assembly for a tape cassette which protects front and rear surfaces of a magnetic tape'19945,316,236'Tape supplying and taking up apparatus and tape cassettes for use therewith'19945,072,316'Recording apparatus'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2003Patents assigned to SONY CORP (14)· patent assignee history
1991–2003Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 14 | 1991–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 14 | 1991–2003 |