Inventor · disambiguated record
Yoshio Ozaki
Also filed as: OHTA SHUICHI · OZAKI YOSHIO
30 granted patents·438 citations·filing 1977–1997
97Inventor score
Top patents by PatentIndex Score
30 records- 0183US5177615AApparatus for recovering a film signal from a television video signalSONY CORP·Filed 1991·Granted Jan 5, 1993·17 cites·3 claims
- 0282US5496984AElectrical discharge machine and machining method thereforMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Mar 5, 1996·43 cites·35 claims
- 0381US4447713APower supply unit for electric discharge machineMITSUBISHI ELECTRIC CORP·Filed 1982·Granted May 8, 1984·20 cites·8 claims
- 0477US4945199AElectric discharge machining method and deviceMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Jul 31, 1990·19 cites·18 claims
- 0576US5191427AVideo post-production of material acquired on filmSONY BROADCAST & COMMUNICATION·Filed 1991·Granted Mar 2, 1993·48 cites·12 claims
- 0675US5194958AMovie film to video conversion with correction of frame misalignmentSONY BROADCAST & COMMUNICATION·Filed 1991·Granted Mar 16, 1993·39 cites·15 claims
- 0773US4695696AElectric discharge machine with control of the machining pulse's current value in accordance with the delay timeMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Sep 22, 1987·15 cites·8 claims
- 0873US4366359AWire cut electric discharge machining control methodMITSUBISHI ELECTRIC CORP·Filed 1980·Granted Dec 28, 1982·14 cites·12 claims
- 0970US4339650AElectric discharge machining apparatusMITSUBISHI ELECTRIC CORP·Filed 1980·Granted Jul 13, 1982·13 cites·4 claims
- 1064US5485232ADigital audio signal recording device for motion picture film and audio signal recording system for motion picture film employing the digital audio signal recording deviceSONY CORP·Filed 1994·Granted Jan 16, 1996·14 cites·7 claims
- 1162US5802181ATheater sound system with upper surround channelsSONY CORP·Filed 1995·Granted Sep 1, 1998·30 cites·13 claims
- 1260US5603852AElectrical discharge machine with an opposite polarity voltage applied during an electrode jump operationMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Feb 18, 1997·12 cites·33 claims
- 1358US5753882AElectrical discharge machine with pulses of both polaritiesMITSUBISHI ELECTRIC CORP·Filed 1994·Granted May 19, 1998·11 cites·11 claims
- 1457US4206981ATelecine projectorSONY CORP·Filed 1977·Granted Jun 10, 1980·5 cites·7 claims
- 1556US5869797ABipolar electrical discharge machine which adjusts voltage polarity based on short circuit detectionMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Feb 9, 1999·10 cites·2 claims
- 1656US5084755AApparatus and method for coverting cinematic images to video signalsSONY CORP·Filed 1990·Granted Jan 28, 1992·16 cites·5 claims
- 1755US5748746ACeiling speaker and signal sourceSONY CORP·Filed 1996·Granted May 5, 1998·22 cites·4 claims
- 1855US5143586AElectrochemical machining process and equipmentMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Sep 1, 1992·16 cites·10 claims
- 1954US5602923ATheater sound system with upper surround channelsSONY CORP·Filed 1995·Granted Feb 11, 1997·22 cites·9 claims
- 2054US5596380ADigital sound signal reproducing apparatus for projectorSONY CORP·Filed 1994·Granted Jan 21, 1997·7 cites·4 claims
- 2147US5083001AWaveform control device for electrical discharge machining apparatusMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jan 21, 1992·13 cites·13 claims
- 2247US4673789APower source for wire cut electrical discharge machiningMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Jun 16, 1987·8 cites·6 claims
- 2340US5919381ABipolar electrical discharge machine which detects misfireMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Jul 6, 1999·4 cites·2 claims
- 2436US5717765ATheater sound system with upper surround channelsSONY CORP·Filed 1995·Granted Feb 10, 1998·6 cites·9 claims
- 2534US5828027AElectrical discharge machine with tar build-up detectorMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Oct 27, 1998·2 cites·3 claims
- 2634US5698115AElectrical discharge machineMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Dec 16, 1997·2 cites·4 claims
- 2734US5681488AElectrical discharge machine which uses voltages of opposite polarityMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Oct 28, 1997·2 cites·3 claims
- 2833US4734903ALevel control circuit for light beam recording apparatusSONY CORP·Filed 1986·Granted Mar 29, 1988·3 cites·8 claims
- 2932US5563668AMotion picture film composition methodSONY CORP·Filed 1991·Granted Oct 8, 1996·4 cites·14 claims
- 3029US4757490AModulation abnormality detector for optical sound-recording systemSONY CORP·Filed 1984·Granted Jul 12, 1988·1 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Yoshio Ozaki 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 →