Inventor · disambiguated record
Yoshimichi Ohtsuka
Also filed as: OHTSUKA YOSHIMICHI
21 granted patents·543 citations·filing 1980–1998
96Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD10JAPAN BROADCASTING CORP8SONY CORP2NIPPON DENKI HOME ELECTRONICS1
Top patents by PatentIndex Score
21 records- 0193US4307420AMotion-compensated interframe coding systemJAPAN BROADCASTING CORP·Filed 1980·Granted Dec 22, 1981·84 cites·32 claims
- 0287US4692801ABandwidth compressed transmission systemJAPAN BROADCASTING CORP·Filed 1986·Granted Sep 8, 1987·72 cites·14 claims
- 0380US4884136AMotion detection circuitJAPAN BROADCASTING CORP·Filed 1988·Granted Nov 28, 1989·36 cites·7 claims
- 0480US4500911ANoise reduction apparatusJAPAN BROADCASTING CORP·Filed 1982·Granted Feb 19, 1985·29 cites·7 claims
- 0578US5534927AMethod of performing high efficiency coding of image signal and system thereforJAPAN BROADCASTING CORP·Filed 1992·Granted Jul 9, 1996·54 cites·27 claims
- 0676US4963969AAutomatic gain control deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Oct 16, 1990·31 cites·5 claims
- 0775US4891699AReceiving system for band-compression image signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jan 2, 1990·29 cites·4 claims
- 0875US4663665ATV system conversion apparatusJAPAN BROADCASTING CORP·Filed 1985·Granted May 5, 1987·31 cites·6 claims
- 0971US4731651AApparatus for compensating a movement of a picture of television signalSONY CORP·Filed 1986·Granted Mar 15, 1988·26 cites·14 claims
- 1069US4745459ADivisionally time-compressed subsample transmission and motion-compensated reproduction system for a high definition color television picture signalJAPAN BROADCASTING CORP·Filed 1987·Granted May 17, 1988·24 cites·9 claims
- 1165US4970594ATelevision video signal control systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Nov 13, 1990·21 cites·2 claims
- 1263US5008753AClamp system used for television signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Apr 16, 1991·18 cites·7 claims
- 1361US4779131AApparatus for detecting television image movementSONY CORP·Filed 1986·Granted Oct 18, 1988·31 cites·13 claims
- 1448US6154258AMethod and device for detecting flickers in television picturesJAPAN BROADCASTING CORP·Filed 1998·Granted Nov 28, 2000·12 cites·14 claims
- 1544US4998106AReference voltage regulation apparatus for an automatic gain control systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Mar 5, 1991·10 cites·8 claims
- 1642US4912556AApparatus for compensating contour of television signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Mar 27, 1990·7 cites·1 claims
- 1740US4757272AFour phase PSK demodulatorNIPPON DENKI HOME ELECTRONICS·Filed 1986·Granted Jul 12, 1988·9 cites·5 claims
- 1838US4943858ATV signal recording and reproducing apparatus employing a digital interface and including signal drop-out compensationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jul 24, 1990·5 cites·3 claims
- 1935US5363384AAudio signal demodulation circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Nov 8, 1994·8 cites·6 claims
- 2032US5163053AAudio signal demodulation circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Nov 10, 1992·3 cites·4 claims
- 2131US5121212AAudio signal demodulating circuit with reduced power consumptionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jun 9, 1992·3 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Yoshimichi Ohtsuka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →