Inventor
KOBASHI TOSHIYUKI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “KOBASHI TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JAPAN EXLAN CO LTD
25 patentsUS4535027AAug 13, 1985
High strength polyacrylonitrile fiber and method of producing the same
JAPAN EXLAN CO LTD76 citations95
US4565832AJan 21, 1986
Process for producing packing material for use in liquid chromatography
JAPAN EXLAN CO LTD27 citations90
US4062857ADec 13, 1977
Process for producing acrylonitrile polymer melt
JAPAN EXLAN CO LTD27 citations82
US4873352AOct 10, 1989
Transparent aqueous tin compound solution
JAPAN EXLAN CO LTD21 citations81
US4658004AApr 14, 1987
Polyacrylonitrile fiber with high strength and high modulus of elasticity
JAPAN EXLAN CO LTD10 citations73
US4533538AAug 6, 1985
Method of producing colloidal antimony oxide
JAPAN EXLAN CO LTD10 citations73
US4049605ASep 20, 1977
Process for the polymerization of acrylonitrile
JAPAN EXLAN CO LTD11 citations73
US4036803AJul 19, 1977
Process for producing flame retardant acrylic synthetic fibers
JAPAN EXLAN CO LTD9 citations73
US4009138AFeb 22, 1977
Process for producing stable emulsion of polymer
JAPAN EXLAN CO LTD13 citations73
US4794152ADec 27, 1988
Bead-like polymer and production thereof
JAPAN EXLAN CO LTD10 citations71
US4540754ASep 10, 1985
Process for producing high molecular weight acrylonitrile polymers
JAPAN EXLAN CO LTD11 citations71
US4022710AMay 10, 1977
Process for producing colloidal antimony oxide
JAPAN EXLAN CO LTD12 citations71
US4725646AFeb 16, 1988
Method of producing hard polyvinyl alcohol gel
JAPAN EXLAN CO LTD15 citations70
US4092287AMay 30, 1978
Process for producing stable emulsion of polymer
JAPAN EXLAN CO LTD8 citations68
US4130525ADec 19, 1978
Stable aqueous emulsion of acrylonitrile polymer, its production and dyeability improving agent comprising such emulsion
JAPAN EXLAN CO LTD15 citations67
US4924017AMay 8, 1990
Stannic acid anhydride
JAPAN EXLAN CO LTD2 citations62
US4753753AJun 28, 1988
Chemically stable aqueous antimony oxide sol
JAPAN EXLAN CO LTD4 citations62
US4659847AApr 21, 1987
Chemically stable colloidal antimony oxide
JAPAN EXLAN CO LTD2 citations62
US4659529AApr 21, 1987
Method for the production of high strength polyacrylonitrile fiber
JAPAN EXLAN CO LTD4 citations62
US4546146AOct 8, 1985
Process for producing dispersions comprising fine particles of acrylonitrile polymers
JAPAN EXLAN CO LTD6 citations62
US4237256ADec 2, 1980
Process for producing an acrylonitrile polymer melt
JAPAN EXLAN CO LTD3 citations62
US4716002ADec 29, 1987
Method of producing a flame-retardant acrylic copolymer
JAPAN EXLAN CO LTD2 citations60
US4604428AAug 5, 1986
Method of producing a flame-retardant acrylic polymer
JAPAN EXLAN CO LTD2 citations60
US4248812AFeb 3, 1981
Process for producing a rush-like structure
JAPAN EXLAN CO LTD1 citations52
US4737290AApr 12, 1988
Gel for the separation of useful components contained in rhodanate-containing detoxication treated liquid and method of separation using said gel
JAPAN EXLAN CO LTD1 citations48
RICOH CO LTD
6 patentsUS11472194B2Oct 18, 2022
Liquid discharging device
RICOH CO LTD2 citations72
US11629263B2Apr 18, 2023
Processing fluid, ink set, inkjet printing device, and inkjet printing method
RICOH CO LTD0 citations62
US11511551B2Nov 29, 2022
Image forming apparatus
RICOH CO LTD0 citations62
US11458731B2Oct 4, 2022
Image forming apparatus
RICOH CO LTD0 citations62
US11447651B2Sep 20, 2022
Ink set, inkjet printing device, and inkjet printing method
RICOH CO LTD0 citations62
US11292931B2Apr 5, 2022
Inkjet ink, inkjet ink set, ink stored container, and inkjet recording method
RICOH CO LTD0 citations62