Inventor
TAKEDA KEIJI
45 patents
⚠️ This page may combine multiple inventors who share the name “TAKEDA KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
30 patentsUS5328800AJul 12, 1994
Color image forming method using silver halide, reducing agent, polymerizable compound and colorant
FUJI PHOTO FILM CO LTD57 citations96
US4649098AMar 10, 1987
Image recording process using both silver halide and vinyl monomers
FUJI PHOTO FILM CO LTD71 citations96
US4349617ASep 14, 1982
Function separated type electrophotographic light-sensitive members and process for production thereof
FUJI PHOTO FILM CO LTD68 citations96
US4624910ANov 25, 1986
Image recording process
FUJI PHOTO FILM CO LTD51 citations92
US4058443ANov 15, 1977
Recording material
FUJI PHOTO FILM CO LTD44 citations92
US4050936ASep 27, 1977
Image forming process with photopolymer layers between a support and a substrate
FUJI PHOTO FILM CO LTD43 citations92
US4784932ANov 15, 1988
Image-forming method employing light-sensitive material and image-receiving material
FUJI PHOTO FILM CO LTD21 citations82
US4632899ADec 30, 1986
Photopolymerizable image-recording process of producing a visible image
FUJI PHOTO FILM CO LTD24 citations82
US4356246AOct 26, 1982
Method of making α-silicon powder, and electrophotographic materials incorporating said powder
FUJI PHOTO FILM CO LTD25 citations81
US5290659AMar 1, 1994
Light-sensitive material comprising light-sensitive layer, polymerizable layer and image formation accelerating layer provided on support
FUJI PHOTO FILM CO LTD12 citations74
US5166040ANov 24, 1992
Method of forming a polymer image
FUJI PHOTO FILM CO LTD7 citations74
US5122443AJun 16, 1992
Method of exposing and heating a light-sensitive material comprising polymerizable layer and light-sensitive layer provided on support
FUJI PHOTO FILM CO LTD18 citations74
US5053312AOct 1, 1991
Image-receiving material and image-forming method employing the same
FUJI PHOTO FILM CO LTD15 citations74
US4245027AJan 13, 1981
Light-sensitive image recording material and dry process for recording light image using the same
FUJI PHOTO FILM CO LTD14 citations74
US4184874AJan 22, 1980
Photosensitive composition containing chelate compound
FUJI PHOTO FILM CO LTD8 citations74
US4157261AJun 5, 1979
Transfer process with polyester (meth)acrylate as photopolymer
FUJI PHOTO FILM CO LTD20 citations74
US4062685ADec 13, 1977
Non-silver halide light-sensitive material sensitized by colloidal elements
FUJI PHOTO FILM CO LTD11 citations74
US5326667AJul 5, 1994
Image forming method and light-sensitive material using silver halide, reducing agent and polymerizable compound
FUJI PHOTO FILM CO LTD11 citations73
US4188212AFeb 12, 1980
Electric current conductive composition, image recording element containing the same and process for recording images using the same
FUJI PHOTO FILM CO LTD12 citations73
US4130426ADec 19, 1978
Heat developable light-sensitive diazotype materials and process of use
FUJI PHOTO FILM CO LTD8 citations73
US5053308AOct 1, 1991
Light-sensitive composition comprising silver halide dispersed in polymerizable compound and light-sensitive material employing the same
FUJI PHOTO FILM CO LTD3 citations63
US5041353AAug 20, 1991
Process for preparation of light-sensitive material containing silver halide, reducing agent, precursor and polymerizable compound
FUJI PHOTO FILM CO LTD6 citations63
US4970307ANov 13, 1990
Process for formation of base and light-sensitive material
FUJI PHOTO FILM CO LTD3 citations63
US4172180AOct 23, 1979
Heat sensitive color forming and heat sensitive electrical conductivity increasing composition and heat sensitive image recording sheet using the same
FUJI PHOTO FILM CO LTD6 citations63
US4121938AOct 24, 1978
Photographic material containing TiO2, soluble Cu(II) salt, and soluble silver salt and the use thereof in physical development
FUJI PHOTO FILM CO LTD3 citations63
US4076530AFeb 28, 1978
Dry photographic copying method for producing Te images
FUJI PHOTO FILM CO LTD4 citations63
US5304454AApr 19, 1994
Image forming method using silver halide, reducing agent and polymerizable compound
FUJI PHOTO FILM CO LTD4 citations62
US4421838ADec 20, 1983
Processes for preparing photoconductive elements and electrophotosensitive materials
FUJI PHOTO FILM CO LTD3 citations62
US4859568AAug 22, 1989
Photographic image recording method using silver halide and vinyl monomer
FUJI PHOTO FILM CO LTD6 citations60
US4129445ADec 12, 1978
Metal image formation process
FUJI PHOTO FILM CO LTD1 citations52
TDK CORP
7 patentsUS11798717B2Oct 24, 2023
R-T-B based rare earth permanent magnet
TDK CORP2 citations71
US10566117B2Feb 18, 2020
R-T-B based rare earth permanent magnet
TDK CORP1 citations60
US11837915B2Dec 5, 2023
R-T-B-based magnet, motor, and generator
TDK CORP0 citations50
US11120931B2Sep 14, 2021
R-T-B based permanent magnet
TDK CORP0 citations50
US10784029B2Sep 22, 2020
R-T-B based permanent magnet
TDK CORP0 citations50
US10529474B2Jan 7, 2020
Rare-earth permanent magnet
TDK CORP0 citations48
US10614937B2Apr 7, 2020
R-T-B based rare earth permanent magnet
TDK CORP0 citations39
TORAY INDUSTRIES
4 patentsUS7592055B2Sep 22, 2009
Moisture-permeable waterproof film, composite material, and processes for producing these
TORAY INDUSTRIES7 citations74
US6787487B1Sep 7, 2004
Water vapor-permeable and waterproof material and method for manufacturing the same
TORAY INDUSTRIES10 citations72
US10966656B2Apr 6, 2021
Electric conductive fiber structure, electrode member, and method of producing electric conductive fiber structure
TORAY INDUSTRIES0 citations61
US10513820B2Dec 24, 2019
Stainproof fiber structure
TORAY INDUSTRIES0 citations41