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Akiko KOGANEI
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Yokohama-shi, Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Dispersion solution having antiviral property
Patent number
11,647,744
Issue date
May 16, 2023
Toyo Seikan Group Holdings, Ltd.
Akiko Koganei
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Metallic copper fine particles and method for producing the same
Patent number
11,452,743
Issue date
Sep 27, 2022
Toyo Seikan Group Holdings, Ltd.
Akiko Koganei
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Fine metal particles, dispersion solution containing fine metal par...
Patent number
11,219,947
Issue date
Jan 11, 2022
Toyo Seikan Group Holdings, Ltd.
Akira Ishiko
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
METALLIC COPPER FINE PARTICLES AND METHOD FOR PRODUCING THE SAME
Publication number
20200289556
Publication date
Sep 17, 2020
TOYO SEIKAN GROUP HOLDINGS, LTD.
Akiko KOGANEI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
FINE METAL PARTICLES, DISPERSION SOLUTION CONTAINING FINE METAL PAR...
Publication number
20200070243
Publication date
Mar 5, 2020
TOYO SEIKAN GROUP HOLDINGS, LTD.
Akira ISHIKO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
DISPERSION SOLUTION HAVING ANTIVIRAL PROPERTY
Publication number
20190350195
Publication date
Nov 21, 2019
TOYO SEIKAN GROUP HOLDINGS, LTD.
Akiko KOGANEI
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING