Inventor · disambiguated record
Takahiro Hamamoto
Also filed as: HAMAMOTO TAKAHIRO
4 granted patents·68 citations·filing 2006–2010
78Inventor score
Top patents by PatentIndex Score
4 records- 0190US8038179B2Threaded joint for steel pipesSUMITOMO METAL IND·Filed 2010·Granted Oct 18, 2011·13 cites·20 claims
- 0287US7823931B2Tubular threaded jointSUMITOMO METAL IND·Filed 2008·Granted Nov 2, 2010·23 cites·16 claims
- 0375US7900975B2Threaded joint for steel pipesSUMITOMO METAL IND·Filed 2009·Granted Mar 8, 2011·16 cites·18 claims
- 0466US8287008B2Liquid and gas tight threaded tubular connectionCHARVET-QUEMIN JEAN-FRANCOIS·Filed 2006·Granted Oct 16, 2012·16 cites·16 claims
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