Inventor
OGAWA YOSHIO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
10 patentsUS4829571AMay 9, 1989
Headphone
SONY CORP120 citations94
US3944734AMar 16, 1976
Video projecting system
SONY CORP26 citations82
USD336086SJun 1, 1993
Magnetic audio tape cassette
SONY CORP9 citations74
USD270168SAug 16, 1983
Typewriter
SONY CORP11 citations74
US4167757ASep 11, 1979
Television receiver
SONY CORP13 citations71
USD336298SJun 8, 1993
Tape player
SONY CORP3 citations63
USD336085SJun 1, 1993
Magnetic audio tape cassette
SONY CORP2 citations63
US5249102ASep 28, 1993
Portable electric device with sliding switch cover
SONY CORP4 citations62
US5532756AJul 2, 1996
Color video signal detector and color video signal detecting method
SONY CORP3 citations57
USD330025SOct 6, 1992
Dictating machine
SONY CORP0 citations52
CHIYODA CHEM ENG CONSTRUCT CO
4 patentsUS5645802AJul 8, 1997
Method and apparatus for the treatment of a waste gas containing dists and chemical contaminants
CHIYODA CHEM ENG CONSTRUCT CO22 citations92
US5837213ANov 17, 1998
Process for the desulfurization of sulfurous acid gas-containing waste gas
CHIYODA CHEM ENG CONSTRUCT CO9 citations73
US4911901AMar 27, 1990
Wet desulfurization process for treating a flue gas
CHIYODA CHEM ENG CONSTRUCT CO8 citations69
US5120518AJun 9, 1992
Method and apparatus for the treatment of a waste gas containing dusts and chemical contaminants
CHIYODA CHEM ENG CONSTRUCT CO3 citations62
FUJITSU GENERAL LTD
3 patentsUS5663627ASep 2, 1997
Control apparatus for controlling motor of air conditioner
FUJITSU GENERAL LTD83 citations96
US5712540AJan 27, 1998
Control method and apparatus for controlling motors of air conditioner
FUJITSU GENERAL LTD80 citations94
US6002218ADec 14, 1999
Control device for air conditioner
FUJITSU GENERAL LTD30 citations91
FUJIKOKI CORP
3 patentsUS7762094B2Jul 27, 2010
Valve control system, valve control apparatus and valve control method
FUJIKOKI CORP12 citations77
US10774942B2Sep 15, 2020
Electric valve control device and electric valve device including the same
FUJIKOKI CORP0 citations36
US10571875B2Feb 25, 2020
Electric valve control device and electric valve device including the same
FUJIKOKI CORP0 citations36