Inventor · Kisarazu, JP

Daisuke Hirakami

19Patents
2h-index
19Co-inventors
47Inventor score

Filing activity: Jan 20, 2004 → Dec 27, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US8876988B2 Steel for nitriding and nitrided part Chemistry; Metallurgy 3 Active
US11168387B2 Steel material for carburized bearing part Mechanical Engineering; Lighting; Heating 2 Active
US8470099B2 Wire rod, steel wire, and manufacturing method thereof Chemistry; Metallurgy 1 Active
US9212405B2 Wire rod, steel wire, and manufacturing method thereof Chemistry; Metallurgy 1 Active
US10081846B2 Steel wire Textiles; Paper 1 Active
US10156001B2 Filament for high strength steel cord Chemistry; Metallurgy 1 Active
US10457998B2 Wire rod for non heat-treated mechanical part, steel wire for non heat-treated mechanical part, and non heat-treated mechanical part Chemistry; Metallurgy 1 Active
US8016953B2 High-strength steel material with excellent hydrogen embrittlement resistance Chemistry; Metallurgy 1 Expired
US8951365B2 High strength steel and high strength bolt excellent in delayed fracture resistance and methods of production of same Chemistry; Metallurgy 1 Active
US10752974B2 High-strength PC steel wire Chemistry; Metallurgy 0 Active
US10072317B2 Filament Chemistry; Metallurgy 0 Active
US8557060B2 High-strength steel material with excellent hydrogen embrittlement resistance Chemistry; Metallurgy 0 Active
US10487379B2 High-carbon steel wire rod with excellent wire drawability Chemistry; Metallurgy 0 Active
US11965231B2 Steel material to be starting material of carbonitrided bearing component Emerging Cross-Sectional Technologies 0 Active
US10435765B2 Wire rod for high strength steel cord Chemistry; Metallurgy 0 Active
US11326643B2 Rolling sliding member and method of producing the same, and rolling bearing including rolling sliding member Mechanical Engineering; Lighting; Heating 0 Active
US10174399B2 High carbon steel wire rod and method for manufacturing same Chemistry; Metallurgy 0 Active
US12359268B2 Carbonitrided bearing component Chemistry; Metallurgy 0 Active
US10808305B2 High-strength PC steel wire Fixed Constructions 0 Active

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