Kiyoshi NAKAYAMA

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Osaka-shi, Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for manufacturing forged crankshaft
- Patent number 10,875,083
- Issue date Dec 29, 2020
- Nippon Steel Corporation
- Tomohisa Yamashita
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR MANUFACTURING FORGED CRANKSHAFT
- Publication number 20180169742
- Publication date Jun 21, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tomohisa YAMASHITA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...