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YASUSHI HIRAOKA
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TOKYO, JP
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Patents Grants
last 30 patents
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Patent Grant
Surface hardening treatment device and surface hardening treatment...
Patent number
11,781,209
Issue date
Oct 10, 2023
PARKER NETSUSHORI KOGYO CO., LTD.
Yasushi Hiraoka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Surface hardening treatment device and surface hardening treatment...
Patent number
11,155,891
Issue date
Oct 26, 2021
PARKER NETSUSHORI KOGYO CO., LTD.
Yasushi Hiraoka
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
NITRIDING TREATMENT METHOD FOR STEEL COMPONENT
Publication number
20240132985
Publication date
Apr 25, 2024
PARKER NETSUSHORI KOGYO CO., LTD.
YASUSHI HIRAOKA
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESSING METHOD AND PROCESSING APPARATUS FOR METAL COMPONENT
Publication number
20240011142
Publication date
Jan 11, 2024
PARKER NETSUSHORI KOGYO CO., LTD.
Yasushi HIRAOKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SURFACE HARDENING TREATMENT DEVICE AND SURFACE HARDENING TREATMENT...
Publication number
20220341021
Publication date
Oct 27, 2022
PARKER NETSUSHORI KOGYO CO., LTD.
YASUSHI HIRAOKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SURFACE HARDENING TREATMENT DEVICE AND SURFACE HARDENING TREATMENT...
Publication number
20210214832
Publication date
Jul 15, 2021
PARKER NETSUSHORI KOGYO CO., LTD.
YASUSHI HIRAOKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SURFACE HARDENING TREATMENT DEVICE AND SURFACE HARDENING TREATMENT...
Publication number
20200190609
Publication date
Jun 18, 2020
PARKER NETSUSHORI KOGYO CO., LTD.
YASUSHI HIRAOKA
C21 - METALLURGY OF IRON