Inventor
OKADA HIDEO
JP54 patents
⚠️ This page may combine multiple inventors who share the name “OKADA HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
15 patentsUS5969757AOct 19, 1999
Imaging apparatus and method having enhanced moire reduction
SHARP KK37 citations93
US5307227AApr 26, 1994
Magnetic recording/reproducing apparatus capable of high-density recording on a magnetic tape guided at high speed
SHARP KK51 citations93
US6266086B1Jul 24, 2001
Imaging apparatus
SHARP KK43 citations92
US5786901AJul 28, 1998
Image shifting mechanism and imaging device
SHARP KK30 citations92
US5637861AJun 10, 1997
Imaging apparatus having improved resolution due to control of an inclination angle of a refracting plate in more than one direction
SHARP KK28 citations92
US6992701B2Jan 31, 2006
Reusable digital camera that prevents unauthorized use
SHARP KK8 citations74
US6760686B2Jul 6, 2004
Device and method of calculating a residual value of an apparatus based on a history of use of the apparatus as well as an electrical apparatus including the device
SHARP KK7 citations74
US5663845ASep 2, 1997
Magnetic recording/reproducing apparatus
SHARP KK11 citations72
US5491594AFeb 13, 1996
Magnetic recording/reproducing apparatus
SHARP KK8 citations70
US6502431B1Jan 7, 2003
Washing machine and method of breaking up same
SHARP KK11 citations64
US5202807AApr 13, 1993
Magnetic head device for providing high recording densities at high speeds
SHARP KK5 citations63
US5016132AMay 14, 1991
Magnetic recording and reproducing tape guide unit
SHARP KK5 citations61
US7540922B2Jun 2, 2009
Thin film forming apparatus
SHARP KK4 citations54
US6982754B2Jan 3, 2006
Video camera
SHARP KK0 citations52
US5521780AMay 28, 1996
Tape cassette and magnetic recording/reproducing apparatus used therefor
SHARP KK1 citations51
HITACHI LTD
11 patentsUS4407905AOct 4, 1983
Fuel cell
HITACHI LTD52 citations95
US4206036AJun 3, 1980
Hydrodesulfurization of hydrocarbon oil with a catalyst including titanium oxide
HITACHI LTD46 citations92
US4943496AJul 24, 1990
Fuel cell, electrode for the cell and method of preparation thereof
HITACHI LTD25 citations89
US4207209AJun 10, 1980
Sintered cataltyic or absorbent metallic product and method for sintering metallic powders
HITACHI LTD25 citations82
US4542079ASep 17, 1985
Fuel cell
HITACHI LTD21 citations81
US4480017AOct 30, 1984
Fuel cell
HITACHI LTD19 citations81
US4446210AMay 1, 1984
Fuel cell electrode
HITACHI LTD23 citations81
US4476199AOct 9, 1984
Fused carbonate fuel cell
HITACHI LTD7 citations73
US4699853AOct 13, 1987
Fuel cell
HITACHI LTD12 citations72
US4436794AMar 13, 1984
Molten carbonate fuel cell
HITACHI LTD18 citations72
US4656735AApr 14, 1987
Process for producing an electrolyte retaining matrix of electrical insulating long fibers
HITACHI LTD4 citations62
FUJITSU LTD
6 patentsUS6832020B2Dec 14, 2004
Variable wavelength dispersion compensator
FUJITSU LTD12 citations73
US7197211B2Mar 27, 2007
Variable wavelength dispersion compensator
FUJITSU LTD3 citations62
US7319821B2Jan 15, 2008
Chromatic dispersion generating apparatus
FUJITSU LTD5 citations61
US7073915B2Jul 11, 2006
Mirror fixing method and optical apparatus
FUJITSU LTD3 citations60
US7233719B2Jun 19, 2007
Dispersion slope compensator
FUJITSU LTD1 citations52
US7570848B2Aug 4, 2009
Lens adjusting method, lens adjusting device, and optical switch
FUJITSU LTD1 citations51
CANON KK
4 patentsUS5975330ANov 2, 1999
Liquid accommodating container providing negative pressure, manufacturing method for the same, ink jet cartridge having the container and ink jet recording head as a unit, and ink jet recording apparatus
CANON KK44 citations96
US6145970ANov 14, 2000
Liquid accommodating container providing negative pressure, manufacturing method for the same, ink jet cartridge having the container and ink jet recording head as a unit, and ink jet recording apparatus
CANON KK21 citations93
US6440352B1Aug 27, 2002
Liquid accommodating container providing negative pressure, manufacturing method for the same, ink jet cartridge having the container and ink jet recording head as a unit, and ink jet recording apparatus
CANON KK7 citations74
US6250748B1Jun 26, 2001
Liquid accommodating container providing negative pressure, manufacturing method for the same, ink jet cartridge having the container and ink jet recording head as a unit, and ink jet recording apparatus
CANON KK10 citations74
TAJIMA TOOL CORP
2 patentsTOYO GLASS CO LTD
2 patentsIHARA CHEMICAL IND CO
2 patentsSHARP KABUSHIKI KAISAH
1 patentNEW ENERGY DEV ORG
1 patentSECOH GEIKEN INC
1 patentDAINIPPON SCREEN MFG
1 patentMITSUBISHI MOTORS CORP
1 patentBAN ITSUKI
1 patentMITSUBISHI CHEM CORP
1 patentMITSUBISHI KASEI POLYTEC CO
1 patentShowing the top 50 of 54 patents by PatentIndex Score.