Seiji Hiraoka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for measuring end portion shape of threaded pipe or tube
- Patent number 9,557,165
- Issue date Jan 31, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Kenta Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Method for measuring thread element at end portion of pipe or tube
- Patent number 9,267,900
- Issue date Feb 23, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Kenta Sakai
- B08 - CLEANING
Information Patent Grant
Apparatus, system, and method for measuring thread features on pipe...
- Patent number 8,804,104
- Issue date Aug 12, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuro Honda
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MEASURING END PORTION SHAPE OF THREADED PIPE OR TUBE
- Publication number 20140355004
- Publication date Dec 4, 2014
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Kenta Sakai
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR MEASURING THREAD ELEMENT AT END PORTION OF PIPE OR TUBE
- Publication number 20140226154
- Publication date Aug 14, 2014
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Kenta Sakai
- B08 - CLEANING
Information Patent Application
Apparatus, System, and Method for Measuring Thread Features on Pipe...
- Publication number 20110164244
- Publication date Jul 7, 2011
- Sumitomo Metal Industries, Ltd.
- Tatsuro Honda
- G01 - MEASURING TESTING