Tomoyuki Minami

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Kitakyushu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hollow spring utilizing seamless steel pipe
- Patent number 10,118,208
- Issue date Nov 6, 2018
- SHINKO METAL PRODUCTS CO., LTD.
- Kotaro Toyotake
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Alloy material, contact probe, and connection terminal
- Patent number 9,804,198
- Issue date Oct 31, 2017
- Yamamoto Precious Metal Co., Ltd.
- Teruo Anraku
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for manufacturing seamless steel pipe, hollow spring utiliz...
- Patent number 9,482,302
- Issue date Nov 1, 2016
- SHINKO METAL PRODUCTS CO., LTD.
- Kotaro Toyotake
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR MANUFACTURING SEAMLESS STEEL PIPE, HOLLOW SPRING UTILIZ...
- Publication number 20170001226
- Publication date Jan 5, 2017
- SHINKO METAL PRODUCTS CO., LTD.
- Kotaro TOYOTAKE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ALLOY MATERIAL, CONTACT PROBE, AND CONNECTION TERMINAL
- Publication number 20150168455
- Publication date Jun 18, 2015
- YAMAMOTO PRECIOUS METAL CO., LTD.
- Teruo Anraku
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HOLLOW SPRING UTILIZING SEAMLESS STEEL PIPE
- Publication number 20140346721
- Publication date Nov 27, 2014
- Kotaro TOYOTAKE
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR MANUFACTURING SEAMLESS STEEL PIPE, HOLLOW SPRING UTILIZ...
- Publication number 20130239637
- Publication date Sep 19, 2013
- NHK Spring Co., Ltd.
- Kotaro TOYOTAKE
- C21 - METALLURGY OF IRON
Information Patent Application
SEAMLESS STEEL PIPE, HOLLOW SPRING UTILIZING SEAMLESS STEEL PIPE, A...
- Publication number 20100037976
- Publication date Feb 18, 2010
- Shinko Products Co., Ltd.
- Kotaro Toyotake
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...