Kamisu
Japan
4
2013-04-04
The entities that hold a legal rights for patent applications filed by inventor Numata Mitsuhiro:
Mitsuhiro Numata from Kamisu, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Steel for steel tube with excellent sulfide stress cracking resistance
#2 | 2011-09-01Method of producing steel for steel pipe excellent in sour-resistance performance
#3 | 2010-03-25Method of producing steel for steel pipe excellent in sour-resistance performance
#4 | 2007-01-18Method for manufacturing a low alloy steel excellent in corrosion resistance
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