Tomoya Maekawa

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Itami-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Strand
- Patent number 7,886,490
- Issue date Feb 15, 2011
- Sumitomo (SEI) Steel Wire Corp.
- Tomoya Maekawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
High-strength prestressing strand, method for manufacturing the sam...
- Patent number 7,861,507
- Issue date Jan 4, 2011
- Sumitomo (SEI) Steel Wire Corp.
- Tomoya Maekawa
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HIGH-STRENGTH PC STEEL STRANDED WIRE, PROCESS FOR MANUFACTURING THE...
- Publication number 20100108197
- Publication date May 6, 2010
- SUMITOMO (SEI) STEEL WIRE CORP.
- Tomoya Maekawa
- C21 - METALLURGY OF IRON
Information Patent Application
STRAND
- Publication number 20100050546
- Publication date Mar 4, 2010
- Sumitomo (SEI) Steel Wire Corp.
- Tomoya Maekawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING