Tomihiko FUKUYASU

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing die forged crankshaft
- Patent number 9,937,550
- Issue date Apr 10, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Tomihiko Fukuyasu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for forming a blank for finish forging for a forged crank...
- Patent number 9,707,618
- Issue date Jul 18, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Junichi Okubo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for forming a blank for finish forging for a forged crank...
- Patent number 9,630,239
- Issue date Apr 25, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Junichi Okubo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS FOR FORMING A BLANK FOR FINISH FORGING FOR A FORGED CRANK...
- Publication number 20150231689
- Publication date Aug 20, 2015
- Junichi Okubo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD OF MANUFACTURING DIE FORGED CRANKSHAFT
- Publication number 20150128416
- Publication date May 14, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tomihiko FUKUYASU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...