Inventor
HAYAKAWA MASAHIRO
JP43 patents
⚠️ This page may combine multiple inventors who share the name “HAYAKAWA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
16 patentsUS5946501AAug 31, 1999
Waterproof and/or water-resistant camera
ASAHI OPTICAL CO LTD107 citations98
US5713048AJan 27, 1998
Waterproof and/or water-resistant camera
ASAHI OPTICAL CO LTD68 citations96
US5345285ASep 6, 1994
View finder and camera having same
ASAHI OPTICAL CO LTD36 citations93
US6130993AOct 10, 2000
Camera having an image stabilizer
ASAHI OPTICAL CO LTD50 citations92
US5070348ADec 3, 1991
Waterproof and/or water-resistant camera
ASAHI OPTICAL CO LTD44 citations92
US5452034ASep 19, 1995
Regulated parallax compensation system for a camera finder
ASAHI OPTICAL CO LTD8 citations74
US5305031AApr 19, 1994
Sealed case
ASAHI OPTICAL CO LTD15 citations74
US5153622AOct 6, 1992
Pressure alarm for water-sealed camera
ASAHI OPTICAL CO LTD14 citations70
US5111222AMay 5, 1992
Pressure alarm in water-sealed camera
ASAHI OPTICAL CO LTD17 citations70
US6374057B1Apr 16, 2002
Data imprinting system for camera
ASAHI OPTICAL CO LTD2 citations63
US5708875AJan 13, 1998
Camera having electronic flash equipment
ASAHI OPTICAL CO LTD6 citations63
US5406346AApr 11, 1995
Adaptor for film cartridge
ASAHI OPTICAL CO LTD4 citations63
US5305041AApr 19, 1994
Remotely controllable camera system
ASAHI OPTICAL CO LTD6 citations63
US4963913AOct 16, 1990
Automatic focusing camera
ASAHI OPTICAL CO LTD5 citations63
US5907729AMay 25, 1999
Camera having cover mechanism of film chamber
ASAHI OPTICAL CO LTD1 citations52
US5822631AOct 13, 1998
Forced-driving apparatus for film rewinding motor of a camera
ASAHI OPTICAL CO LTD1 citations49
CANON KK
8 patentsUS6603495B2Aug 5, 2003
Image forming apparatus having improved position aberration detection
CANON KK27 citations92
US11269266B2Mar 8, 2022
Image forming apparatus and developer replenishment thereof
CANON KK6 citations84
US9041757B2May 26, 2015
Image forming apparatus in which the light irradiated on a non-imaging portion is adjusted
CANON KK7 citations82
US7597001B2Oct 6, 2009
Humidity measuring apparatus and image forming apparatus
CANON KK4 citations63
US11874612B2Jan 16, 2024
Image forming apparatus and developer replenishment thereof
CANON KK0 citations61
US7817948B2Oct 19, 2010
Image forming apparatus and control method of image forming apparatus
CANON KK0 citations52
US7609987B2Oct 27, 2009
Image forming apparatus and control method of image forming apparatus
CANON KK0 citations52
US8934798B2Jan 13, 2015
Image forming apparatus
CANON KK0 citations42
SUMITOMO HEAVY INDUSTRIES
4 patentsUS9108352B2Aug 18, 2015
Injection molding machine
SUMITOMO HEAVY INDUSTRIES4 citations70
US9090016B2Jul 28, 2015
Injection molding machine
SUMITOMO HEAVY INDUSTRIES3 citations59
US8926315B2Jan 6, 2015
Injection molding machine
SUMITOMO HEAVY INDUSTRIES1 citations52
US9227352B2Jan 5, 2016
Injection molding machine
SUMITOMO HEAVY INDUSTRIES1 citations50
MINOLTA CO LTD
3 patentsUS7006105B2Feb 28, 2006
Color correction method and color correction program to obtain desired output image
MINOLTA CO LTD13 citations83
US7127102B2Oct 24, 2006
Color matching method and device, color matching program, and computer readable record medium that stores color matching program allowing appropriate color matching at high speed
MINOLTA CO LTD8 citations73
US7167273B2Jan 23, 2007
Image processing apparatus and method capable of eliminating image contour distortion
MINOLTA CO LTD1 citations51