Tetsuya Yamada

Follow

Person

Oita-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High-strength hot rolled steel sheet being free from peeling and ex...
- Patent number 8,157,933
- Issue date Apr 17, 2012
- Nippon Steel Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot rolled steel sheet
- Patent number 7,662,243
- Issue date Feb 16, 2010
- Nippon Steel Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot rolled steel sheet for processing and method for manufacturing...
- Patent number 7,381,478
- Issue date Jun 3, 2008
- Nippon Steel Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HIGH-STRENGTH HOT ROLLED STEEL SHEET BEING FREE FROM PEELING AND EX...
- Publication number 20100108201
- Publication date May 6, 2010
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Application
BAKE-HARDENING HOT-ROLLED STEEL SHEET WITH EXCELLENT WORKABILITY AN...
- Publication number 20100000633
- Publication date Jan 7, 2010
- Nippon Steel Corporation
- Tatsuo Yokoi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Hot rolled steel sheet for processing and method for manufacturing...
- Publication number 20070037006
- Publication date Feb 15, 2007
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Application
Hot rolled steel sheet and method for production thereof
- Publication number 20060266445
- Publication date Nov 30, 2006
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON