Inventor · Handa, JP

Masatoshi Aratani

21Patents
4h-index
35Co-inventors
63Inventor score

Filing activity: Nov 12, 1997 → May 12, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6749954B2 Welded steel pipe having excellent hydroformability and method for making the same Emerging Cross-Sectional Technologies 17 Expired
US6221180A Steel sheet for can and manufacturing method thereof Chemistry; Metallurgy 8 Expired
US6042952A Extremely-thin steel sheets and method of producing the same Emerging Cross-Sectional Technologies 7 Expired
US6110299A Steel sheet for double wound pipe and method of producing the pipe Chemistry; Metallurgy 5 Expired
US6736910B2 High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same Emerging Cross-Sectional Technologies 4 Expired
US6171416A Method of producing can steel strip Chemistry; Metallurgy 3 Expired
US6755919B2 Stainless steel tube for automobile structure Chemistry; Metallurgy 3 Expired
US6949728B2 Impeder for manufacturing welded pipe Performing Operations; Transporting 2 Expired
US7018488B2 Steel pipe for use in reinforcement of automobile and method for production thereof Chemistry; Metallurgy 2 Expired
US7887649B2 High-tensile strength welded steel tube for structural parts of automobiles and method of producing the same Chemistry; Metallurgy 1 Active
US6723453B2 Welded steel pipe having excellent hydroformability and method for making the same Emerging Cross-Sectional Technologies 1 Expired
US10787720B2 Electric resistance welded steel pipe for high-strength hollow stabilizer, and method for manufacturing electric resistance welded steel pipe for high-strength hollow stabilizer Chemistry; Metallurgy 1 Active
US10301703B2 High-strength welded steel pipe for airbag inflator and method for manufacturing the same Performing Operations; Transporting 0 Active
US7591914B2 High-workability steel pipe and method of producing same Chemistry; Metallurgy 0 Expired
US11332812B2 Electric resistance welded steel tubes for high-strength thin hollow stabilizers, and methods for manufacturing the same Chemistry; Metallurgy 0 Active
US6682829B2 Welded steel pipe having excellent hydroformability and method for making the same Emerging Cross-Sectional Technologies 0 Expired
US12410497B2 Electric-resistance-welded steel pipe or tube for hollow stabilizer Emerging Cross-Sectional Technologies 0 Active
US11440125B2 Electric resistance welded steel pipe for producing hollow stabilizer, hollow stabilizer, and production methods for same Performing Operations; Transporting 0 Active
US12264388B2 Electric-resistance-welded steel pipe or tube for hollow stabilizer and method of manufacturing same Chemistry; Metallurgy 0 Active
US12037655B2 Electric resistance welded steel pipe or tube Emerging Cross-Sectional Technologies 0 Active
US12172487B2 Electric-resistance-welded steel pipe for producing hollow stabilizer, hollow stabilizer, and method for producing same Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.