Inventor · disambiguated record
Toshiro Anraku
Also filed as: ANRAKU TOSHIRO
10 granted patents·1 pending application·307 citations·filing 1993–2005
91Inventor score
Files withSUMITOMO METAL IND10
Top patents by PatentIndex Score
11 records- 0196US6458318B1Heat resistant nickel base alloySUMITOMO METAL IND·Filed 2000·Granted Oct 1, 2002·64 cites·24 claims
- 0294US6988387B2Making method for seamless metallic tubeSUMITOMO METAL IND·Filed 2005·Granted Jan 24, 2006·20 cites·14 claims
- 0394US6659509B2Threaded joint for steel pipesSUMITOMO METAL IND·Filed 2003·Granted Dec 9, 2003·61 cites·13 claims
- 0493US6746057B2Threaded joint for steel pipes having improved galling resistance and rust-preventing propertiesSUMITOMO METAL IND·Filed 2002·Granted Jun 8, 2004·45 cites·20 claims
- 0592US6210806B1Martensitic stainless steel having oxide scale layersSUMITOMO METAL IND·Filed 1999·Granted Apr 3, 2001·44 cites·8 claims
- 0688US7360798B2Threaded joint for steel pipesSUMITOMO METAL IND·Filed 2004·Granted Apr 22, 2008·30 cites·9 claims
- 0786US7165431B2Cr-plated mandrel bar for manufacturing hot seamless tube and method of manufacturing the sameSUMITOMO METAL IND·Filed 2005·Granted Jan 23, 2007·7 cites·3 claims
- 0865US5824264AHigh-temperature stainless steel and method for its productionSUMITOMO METAL IND·Filed 1996·Granted Oct 20, 1998·18 cites·12 claims
- 0962US6440234B1Martensitic stainless steel productsSUMITOMO METAL IND·Filed 1999·Granted Aug 27, 2002·12 cites·10 claims
- 1043US2004195825A1Threaded joint for steel pipesFiled 2003·Application pending·0 cites
- 1138US5660211AGalvanic corrosion resistant insulating pipe having excellent film adhesionSUMITOMO METAL IND·Filed 1993·Granted Aug 26, 1997·6 cites·18 claims
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