Inventor
OZAKI YOSHIO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “OZAKI YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
16 patentsUS5496984AMar 5, 1996
Electrical discharge machine and machining method therefor
MITSUBISHI ELECTRIC CORP43 citations92
US5869797AFeb 9, 1999
Bipolar electrical discharge machine which adjusts voltage polarity based on short circuit detection
MITSUBISHI ELECTRIC CORP10 citations82
US5753882AMay 19, 1998
Electrical discharge machine with pulses of both polarities
MITSUBISHI ELECTRIC CORP11 citations82
US5603852AFeb 18, 1997
Electrical discharge machine with an opposite polarity voltage applied during an electrode jump operation
MITSUBISHI ELECTRIC CORP12 citations82
US4447713AMay 8, 1984
Power supply unit for electric discharge machine
MITSUBISHI ELECTRIC CORP20 citations81
US5143586ASep 1, 1992
Electrochemical machining process and equipment
MITSUBISHI ELECTRIC CORP16 citations74
US4366359ADec 28, 1982
Wire cut electric discharge machining control method
MITSUBISHI ELECTRIC CORP14 citations74
US4339650AJul 13, 1982
Electric discharge machining apparatus
MITSUBISHI ELECTRIC CORP13 citations74
US5919381AJul 6, 1999
Bipolar electrical discharge machine which detects misfire
MITSUBISHI ELECTRIC CORP4 citations73
US4695696ASep 22, 1987
Electric discharge machine with control of the machining pulse's current value in accordance with the delay time
MITSUBISHI ELECTRIC CORP15 citations73
US4673789AJun 16, 1987
Power source for wire cut electrical discharge machining
MITSUBISHI ELECTRIC CORP8 citations72
US5083001AJan 21, 1992
Waveform control device for electrical discharge machining apparatus
MITSUBISHI ELECTRIC CORP13 citations71
US4945199AJul 31, 1990
Electric discharge machining method and device
MITSUBISHI ELECTRIC CORP19 citations70
US5828027AOct 27, 1998
Electrical discharge machine with tar build-up detector
MITSUBISHI ELECTRIC CORP2 citations62
US5698115ADec 16, 1997
Electrical discharge machine
MITSUBISHI ELECTRIC CORP2 citations62
US5681488AOct 28, 1997
Electrical discharge machine which uses voltages of opposite polarity
MITSUBISHI ELECTRIC CORP2 citations62
SONY CORP
12 patentsUS5802181ASep 1, 1998
Theater sound system with upper surround channels
SONY CORP30 citations92
US5748746AMay 5, 1998
Ceiling speaker and signal source
SONY CORP22 citations92
US5602923AFeb 11, 1997
Theater sound system with upper surround channels
SONY CORP22 citations92
US5084755AJan 28, 1992
Apparatus and method for coverting cinematic images to video signals
SONY CORP16 citations74
US5717765AFeb 10, 1998
Theater sound system with upper surround channels
SONY CORP6 citations73
US5596380AJan 21, 1997
Digital sound signal reproducing apparatus for projector
SONY CORP7 citations73
US5485232AJan 16, 1996
Digital audio signal recording device for motion picture film and audio signal recording system for motion picture film employing the digital audio signal recording device
SONY CORP14 citations73
US5177615AJan 5, 1993
Apparatus for recovering a film signal from a television video signal
SONY CORP17 citations69
US5563668AOct 8, 1996
Motion picture film composition method
SONY CORP4 citations60
US4206981AJun 10, 1980
Telecine projector
SONY CORP5 citations60
US4734903AMar 29, 1988
Level control circuit for light beam recording apparatus
SONY CORP3 citations59
US4757490AJul 12, 1988
Modulation abnormality detector for optical sound-recording system
SONY CORP1 citations49