Inventor · Tokyo, JP

Shusaku Takagi

24Patents
7h-index
59Co-inventors
72Inventor score

Filing activity: Feb 23, 1995 → Jan 28, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6523416B2 Method for setting shape and working stress, and working environment of steel member Physics 106 Expired
US6172446A Piezoelectric oscillator component, structure for supporting piezoelectric oscillator and method of mounting piezoelectric oscillator Electricity 32 Expired
US8828557B2 High strength galvanized steel sheet having excellent formability, weldability, and fatigue properties and method for manufacturing the same Emerging Cross-Sectional Technologies 20 Active
US7527700B2 High strength hot rolled steel sheet and method for manufacturing the same Chemistry; Metallurgy 13 Expired
US8241759B2 Zinc-plated high-tension steel sheet excellent in press formability Emerging Cross-Sectional Technologies 10 Active
US5558727A Steel sheet for automobiles having excellent impact resistance and method of manufacturing the steel sheet Chemistry; Metallurgy 7 Expired
US7919194B2 High strength steel sheet having superior ductility Emerging Cross-Sectional Technologies 7 Active
US6147439A Piezoelectric substrate supporting structure for piezoelectric transformer and piezoelectric transformer provided therewith Electricity 6 Expired
US9452792B2 Vehicle collision energy absorbing member excellent in energy absorbing performance and manufacturing method therefor Emerging Cross-Sectional Technologies 4 Active
US10196727B2 High strength galvanized steel sheet having excellent bendability and weldability, and method of manufacturing the same Emerging Cross-Sectional Technologies 3 Active
US10106875B2 Steel material, hydrogen container, method for producing the steel material, and method for producing the hydrogen container Emerging Cross-Sectional Technologies 3 Active
US8389128B2 High tensile-strength galvanized steel sheet and process for manufacturing high tensile-strength galvanized steel sheet Emerging Cross-Sectional Technologies 3 Active
US9458521B2 High tensile strength galvanized steel sheets excellent in formability and methods of manufacturing the same Emerging Cross-Sectional Technologies 2 Active
US10697036B2 Steel material for composite pressure vessel liner and steel pipe or tube for composite pressure vessel liner Emerging Cross-Sectional Technologies 1 Active
US10837602B2 Hydrogen storage tank Emerging Cross-Sectional Technologies 1 Active
US12203602B2 Hydrogen supply system Emerging Cross-Sectional Technologies 0 Active
US10295453B2 Gas-phase hydrogen permeation test device and method of protecting gas-phase hydrogen permeation test device Physics 0 Active
US8075711B2 Hot-rolled high strength steel sheet having excellent ductility, and tensile fatigue properties and method for producing the same Chemistry; Metallurgy 0 Active
US12264778B2 High-pressure hydrogen container Emerging Cross-Sectional Technologies 0 Active
US12031674B2 High-pressure hydrogen container Emerging Cross-Sectional Technologies 0 Active
US11365848B2 Composite pressure vessel liner, composite pressure vessel, and method for producing composite pressure vessel liner Emerging Cross-Sectional Technologies 0 Active
US12429167B2 High pressure gas container and production method therefor Emerging Cross-Sectional Technologies 0 Active
US10450626B2 High-strength hot-dip galvanized steel sheet excellent in formability and method of producing same Chemistry; Metallurgy 0 Active
US11168375B2 Steel pipe or tube for pressure vessels, method of producing steel pipe or tube for pressure vessels, and composite pressure vessel liner Emerging Cross-Sectional Technologies 0 Active

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