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Daisuke YOKOTA
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Sakura-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
PGM nanoparticles TWC catalysts for gasoline exhaust gas applications
Patent number
11,642,658
Issue date
May 9, 2023
Johnson Matthey Public Limited Company
Kyoji Kitamoto
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Exhaust gas purification filter
Patent number
10,233,803
Issue date
Mar 19, 2019
Johnson Matthey Public Limited Company
Satoshi Sumiya
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
PALLADIUM FIXING USING GALLIC ACID OR ITS DERIVATIVE
Publication number
20240238726
Publication date
Jul 18, 2024
Johnson Matthey Public Limited Company
Daijiro HAYASHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NOVEL PGM NANOPARTICLES TWC CATALYSTS FOR GASOLINE EXHAUST GAS APPL...
Publication number
20200030775
Publication date
Jan 30, 2020
Johnson Matthey Public Limited Company
Kyoji KITAMOTO
B82 - NANO-TECHNOLOGY
Information
Patent Application
Exhaust gas purification filter
Publication number
20190211723
Publication date
Jul 11, 2019
Johnson Matthey Public Limited Company
Satoshi SUMIYA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Exhaust gas purification filter
Publication number
20170284247
Publication date
Oct 5, 2017
Johnson Matthey Public Limited Company
Satoshi KADOYA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL