Inventor
Kohei Sasamura
Inventor
Sagamihara, JP
Overview
Patents· 8 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 transducer27%
H04HBroadcast communication27%
H03DDemodulation or transference of modulation from one carrier to another18%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems9%
H04NPictorial communication, e.g. television9%
H04SStereophonic systems9%
PatentTitleYear
4,647,990'Tracking control system'19874,635,134'Video signal processing apparatus for processing video signals at the time of a special reproduction mode'19874,528,601'Digital signal reproducing apparatus'19854,079,330'System for demodulating angle-modulated signals'19784,066,972'System for demodulating angle-modulated signals'19784,045,621'Recording system for a multichannel record disc'19774,020,409'Rectifying and smoothing circuit'19773,953,686'Multichannel record disc recording system'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1987Patents assigned to VICTOR COMPANY OF JAPAN (8)· patent assignee history
1976–1987Based in Sagamihara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VICTOR COMPANY OF JAPAN | 8 | 1976–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sagamihara, JP | 8 | 1976–1987 |