Goh Yoshiyama

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Yasugi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method of martensite-based stainless steel for edged...
- Patent number 9,687,893
- Issue date Jun 27, 2017
- Hitachi Metals, Ltd.
- Goh Yoshiyama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel strip for razor blades and method of manufacturing the same
- Patent number 7,531,052
- Issue date May 12, 2009
- Hitachi Metals, Ltd.
- Goh Yoshiyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD OF MARTENSITE-BASED STAINLESS STEEL FOR EDGED...
- Publication number 20160052031
- Publication date Feb 25, 2016
- Hitachi Metals, Ltd.
- Goh YOSHIYAMA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STAINLESS STEEL FOR CUTLERY AND METHOD OF MANUFACTURING THE SAME
- Publication number 20140294662
- Publication date Oct 2, 2014
- Hitachi Metals, Ltd.
- Tomonori Ueno
- C21 - METALLURGY OF IRON
Information Patent Application
Steel strip for razor blades and method of manufacturing the same
- Publication number 20060000526
- Publication date Jan 5, 2006
- HITACHI METALS, LTD
- Goh Yoshiyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR