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Tomohiro Koyama
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Toyota-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Casting mold and cast article produced using the same
Patent number
9,498,818
Issue date
Nov 22, 2016
Toyota Jidosha Kabushiki Kaisha
Tomohiro Koyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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Patent Application
ULTRASONIC INSPECTION DEVICE AND ULTRASONIC INSPECTION UNIT
Publication number
20240060938
Publication date
Feb 22, 2024
Toyota Jidosha Kabushiki Kaisha
Tomohiro KOYAMA
G01 - MEASURING TESTING
Information
Patent Application
DIE CASTING MACHINE AND AIRTIGHT INSPECTION METHOD
Publication number
20230286039
Publication date
Sep 14, 2023
Toyota Jidosha Kabushiki Kaisha
Tomohiro KOYAMA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CASTING MOLD AND CAST ARTICLE PRODUCED USING THE SAME
Publication number
20150165517
Publication date
Jun 18, 2015
Toyota Jidosha Kabushiki Kaisha
Tomohiro Koyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...