Hidehiro ARITA

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Kimitsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mandrel, bent tube, and method and apparatus for producing bent tube
- Patent number 11,969,779
- Issue date Apr 30, 2024
- Nippon Steel Corporation
- Shohei Tamura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of manufacturing variable wall thickness steel pipe and vari...
- Patent number 11,590,547
- Issue date Feb 28, 2023
- Nippon Steel Corporation
- Masaaki Mizumura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mandrel, bent tube, and method and apparatus for producing bent tube
- Patent number 11,278,947
- Issue date Mar 22, 2022
- Nippon Steel Corporation
- Shohei Tamura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Camshaft-manufacturing method and gear shaft-manufacturing method
- Patent number 10,166,597
- Issue date Jan 1, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Masaaki Mizumura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Mandrel, Bent Tube, and Method and Apparatus for Producing Bent Tube
- Publication number 20220212240
- Publication date Jul 7, 2022
- NIPPON STEEL CORPORATION
- Shohei Tamura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Mandrel, Bent Tube, and Method and Apparatus for Producing Bent Tube
- Publication number 20200009630
- Publication date Jan 9, 2020
- NIPPON STEEL CORPORATION
- Shohei Tamura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD OF MANUFACTURING VARIABLE WALL THICKNESS STEEL PIPE AND VARI...
- Publication number 20190076902
- Publication date Mar 14, 2019
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Masaaki MIZUMURA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CAMSHAFT-MANUFACTURING METHOD AND GEAR SHAFT-MANUFACTURING METHOD
- Publication number 20160052045
- Publication date Feb 25, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Masaaki MIZUMURA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...