Inventor · disambiguated record
Nobutoshi Murao
Also filed as: MURAO NOBUTOSHI
1 granted patent·2 pending applications·0 citations·filing 2005–2008
14Inventor score
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3 records- 0150US2008283161A1High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production methodMURAO NOBUTOSHI·Filed 2008·Application pending·0 cites
- 0247US7416617B2High strength seamless steel pipe excellent in hydrogen-induced cracking resistanceSUMITOMO METAL IND·Filed 2005·Granted Aug 26, 2008·0 cites·2 claims
- 0341US2006231168A1Seamless steel tubes and pipes for use in oil wellNAKAMURA KEIICHI·Filed 2006·Application pending·0 cites
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