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Tsuyoshi Yoshida
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Gifu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Nozzle plate for a sliding nozzle apparatus
Patent number
7,290,685
Issue date
Nov 6, 2007
Tokyo Yogyo Kabushiki Kaisha
Tomohiro Yotabun
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sliding nozzle plate
Patent number
D546849
Issue date
Jul 17, 2007
Tokyo Yogyo Kabushiki Kaisha
Tomohiro Yotabun
D15 - Machines not elsewhere specified
Information
Patent Grant
Gas blowing plug and manufacturing method therefor
Patent number
6,872,344
Issue date
Mar 29, 2005
Tokyo Yogyo Kabushiki Kaisha
Keizo Aramaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Gas blowing plug and manufacturing method therefor
Patent number
6,551,550
Issue date
Apr 22, 2003
Tokyo Yogyo Kabushiki Kaisha
Keizo Aramaki
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
Nozzle plate for a sliding nozzle apparatus
Publication number
20050230886
Publication date
Oct 20, 2005
Tokyo Yogyo Kabushiki Kaisha
Tomohiro Yotabun
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Gas blowing plug and manufacturing method therefor
Publication number
20030111778
Publication date
Jun 19, 2003
Keizo Aramaki
C21 - METALLURGY OF IRON