Inventor · Yokohama, JP

Kazuhide Nakaoka

10Patents
6h-index
19Co-inventors
59Inventor score

Filing activity: Sep 29, 1975 → Jan 30, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4050959A Process of making a high strength cold reduced steel sheet having high bake-hardenability and excellent non-aging property Chemistry; Metallurgy 19 Expired
US4040873A Method of making low yield point cold-reduced steel sheet by continuous annealing process Chemistry; Metallurgy 11 Expired
US4773948A Method of producing silicon iron sheet having excellent soft magnetic properties Chemistry; Metallurgy 8 Expired
US4715905A Method of producting thin sheet of high Si-Fe alloy Chemistry; Metallurgy 8 Expired
US4336080A Method for manufacturing high-strength cold-rolled steel strip excellent in press-formability Chemistry; Metallurgy 7 Expired
US4052235A Method of preventing oxidation during water quenching of steel strip Chemistry; Metallurgy 6 Expired
US4832762A Method for producing thin steel sheet of high magnetic permeability Electricity 5 Expired
US4026729A Method of making a soft steel sheet by continuous annealing Chemistry; Metallurgy 5 Expired
US4113517A Method of making cold-reduced Al-killed steel strip for press-forming by continuous casting and continuous annealing process Chemistry; Metallurgy 4 Expired
US4323403A Continuous annealing method for cold reduced steel strip Chemistry; Metallurgy 2 Expired

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