Inventor
SEKIGUCHI TAKESHI
JP67 patents
⚠️ This page may combine multiple inventors who share the name “SEKIGUCHI TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
22 patentsUS9857711B2Jan 2, 2018
Toner
CANON KK34 citations94
US4957358ASep 18, 1990
Antifogging film and optical element using the same
CANON KK28 citations93
US4857997AAug 15, 1989
Color television camera incorporating a color resolving prism system
CANON KK28 citations92
US4589015AMay 13, 1986
Color television camera with bias light device featuring reduced color shading
CANON KK33 citations92
US4033674AJul 5, 1977
Zoom lens having a wide magnification variation range
CANON KK23 citations82
US3970366AJul 20, 1976
Highly variable magnification zoom lens system having a diaphragm with its apertures diameter varied in relation with zooming
CANON KK27 citations82
US4794417ADec 27, 1988
Photographing apparatus
CANON KK24 citations80
US4812911AMar 14, 1989
Adapter with built-in shutter
CANON KK16 citations74
US4345271AAug 17, 1982
Television camera
CANON KK14 citations74
US4262305AApr 14, 1981
TV Camera
CANON KK12 citations74
US4237475ADec 2, 1980
Television camera with test pattern
CANON KK15 citations74
US4236177ANov 25, 1980
Beam splitting prism assembly with bias light source
CANON KK14 citations74
US4216494AAug 5, 1980
Television camera with bias light
CANON KK8 citations74
US4084179AApr 11, 1978
Color television camera
CANON KK15 citations74
US9910375B2Mar 6, 2018
Yellow toner and method for producing the same
CANON KK2 citations73
US9580576B2Feb 28, 2017
Pigment dispersion and yellow resist composition for color filter and ink composition containing the pigment dispersion
CANON KK5 citations73
US9323168B2Apr 26, 2016
Yellow toner and process for producing the yellow toner
CANON KK5 citations73
US9170513B2Oct 27, 2015
Yellow toner
CANON KK5 citations73
US9069273B2Jun 30, 2015
Yellow toner and method for producing the yellow toner
CANON KK2 citations63
US4123777AOct 31, 1978
Color television camera having an auxiliary illumination source
CANON KK5 citations63
US4085419AApr 18, 1978
Color television camera
CANON KK6 citations63
US11597787B2Mar 7, 2023
Particle and method of producing the particle
CANON KK1 citations62
SUMITOMO ELECTRIC INDUSTRIES
17 patentsUS4904012AFeb 27, 1990
Suction device
SUMITOMO ELECTRIC INDUSTRIES130 citations98
US5596665AJan 21, 1997
Optical module having structure for defining fixing position of sleeve
SUMITOMO ELECTRIC INDUSTRIES102 citations97
US5742480AApr 21, 1998
Optical module circuit board having flexible structure
SUMITOMO ELECTRIC INDUSTRIES131 citations96
US5712504AJan 27, 1998
Pin type light-receiving device, opto electronic conversion circuit, and opto-electronic conversion module
SUMITOMO ELECTRIC INDUSTRIES72 citations95
US5035087AJul 30, 1991
Surface grinding machine
SUMITOMO ELECTRIC INDUSTRIES86 citations94
US6900512B2May 31, 2005
Light-receiving module
SUMITOMO ELECTRIC INDUSTRIES12 citations82
US4955683ASep 11, 1990
Apparatus and a method for coupling an optically operative device with an optical fiber
SUMITOMO ELECTRIC INDUSTRIES18 citations81
USD396210SJul 21, 1998
Optical receiver/transmitter module
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US5652425AJul 29, 1997
Photoelectric conversion module with noise compensation
SUMITOMO ELECTRIC INDUSTRIES14 citations74
US5157479AOct 20, 1992
Semiconductor device being capable of improving the packing density with a high heat radiation characteristics
SUMITOMO ELECTRIC INDUSTRIES9 citations74
US4958200ASep 18, 1990
Overcurrent protection circuit for semiconductor device
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US6806547B2Oct 19, 2004
Light-receiving module
SUMITOMO ELECTRIC INDUSTRIES11 citations73
US4844325AJul 4, 1989
Method and apparatus for die-bonding semiconductor chip bonding
SUMITOMO ELECTRIC INDUSTRIES9 citations73
US6977423B2Dec 20, 2005
Light-receiving assembly
SUMITOMO ELECTRIC INDUSTRIES6 citations72
US5104023AApr 14, 1992
Apparatus for fabrication semiconductor device
SUMITOMO ELECTRIC INDUSTRIES15 citations69
US5116642AMay 26, 1992
Thick film forming process
SUMITOMO ELECTRIC INDUSTRIES5 citations63
US4985597AJan 15, 1991
Optical semiconductor device
SUMITOMO ELECTRIC INDUSTRIES2 citations62
DAINIPPON PRINTING CO LTD
4 patentsUS6774470B2Aug 10, 2004
Non-contact data carrier and method of fabricating the same
DAINIPPON PRINTING CO LTD34 citations92
US7018844B2Mar 28, 2006
Non-contact data carrier and method of fabricating the same
DAINIPPON PRINTING CO LTD6 citations74
US6962627B2Nov 8, 2005
Device for providing a pressurized solution to an applying device
DAINIPPON PRINTING CO LTD10 citations64
US6740170B2May 25, 2004
Apparatus and method for cleaning peripheral part of substrate
DAINIPPON PRINTING CO LTD4 citations62
NIPPON KOKAN KK
2 patentsSEKIGUCHI TAKESHI
2 patentsOMORI MACHINERY
1 patentPANASONIC IP MAN CO LTD
1 patentKAMATANI JUN
1 patentShowing the top 50 of 67 patents by PatentIndex Score.