Inventor · Tokyo, JP

Hiroki Nakamaru

31Patents
5h-index
57Co-inventors
72Inventor score

Filing activity: Apr 13, 1993 → Mar 31, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US9023488B2 Steel sheet for hot pressing and method of manufacturing hot-pressed part using steel sheet for hot pressing Emerging Cross-Sectional Technologies 8 Active
US6827757B2 Magnetite-iron based composite powder, magnetite-iron based powder mixture, method for producing the same, method for remedying polluted soil, water or gases and electromagnetic wave absorber Chemistry; Metallurgy 8 Expired
US9234267B2 Hot-dip Al—Zn coated steel sheet Emerging Cross-Sectional Technologies 7 Active
US9034480B2 Hot-dip Al—Zn coated steel sheet Emerging Cross-Sectional Technologies 7 Active
US9040166B2 Hot-pressed member Emerging Cross-Sectional Technologies 6 Active
US7186467B2 Black zinc-plated steel sheet Emerging Cross-Sectional Technologies 5 Expired
US9873539B2 Resin-coated metal sheet for container and method for manufacturing the same Performing Operations; Transporting 4 Active
US5273643A Method of producing zinc-chromium alloy plated steel sheet with excellent plating adhesiveness Chemistry; Metallurgy 3 Expired
US10415111B2 High-strength steel sheet for containers and method for producing the same Performing Operations; Transporting 2 Active
US10144196B2 Steel sheet for hot pressing and method for manufacturing hot-pressed member using the same Emerging Cross-Sectional Technologies 2 Active
US10837076B2 Steel sheet for cans and method for manufacturing steel sheet for cans Chemistry; Metallurgy 2 Active
US7166759B2 Remediation method of media and iron powder for dehalogenation of hydrogenated hydrocarbons Emerging Cross-Sectional Technologies 2 Expired
US10144985B2 Steel sheet for can and method for manufacturing the same Chemistry; Metallurgy 1 Active
US9993998B2 Resin-coated metal sheet for containers and method for manufacturing the same Performing Operations; Transporting 1 Active
US8668789B2 Method for manufacturing of high strength cold rolled steel sheet of excellent phosphatability Chemistry; Metallurgy 1 Active
US9598744B2 Method for producing hot-pressed member Emerging Cross-Sectional Technologies 1 Active
US9493868B2 Aluminum or aluminum alloy-coated steel material and method of manufacturing the same Emerging Cross-Sectional Technologies 1 Active
US10100381B2 Steel sheet for hot pressing and process for manufacturing hot pressed member using the steel sheet Emerging Cross-Sectional Technologies 1 Active
US10655199B2 Steel sheet for crown cap, method for manufacturing steel sheet for crown cap, and crown cap Performing Operations; Transporting 0 Active
US10301702B2 Steel sheet for cans and manufacturing method thereof Chemistry; Metallurgy 0 Active
US10851434B2 Steel sheet for can and method for manufacturing the same Chemistry; Metallurgy 0 Active
US10576712B2 Resin-coated metal sheet for container Emerging Cross-Sectional Technologies 0 Active
US9963755B2 Hot-pressed member Emerging Cross-Sectional Technologies 0 Active
US10392682B2 Steel sheet for three-piece can and method for manufacturing the same Emerging Cross-Sectional Technologies 0 Active
US9669961B2 Three-piece can and method of manufacturing the same Chemistry; Metallurgy 0 Active

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