Nobuhiro Fujita
55Patents
7h-index
76Co-inventors
75Inventor score
Filing activity: Dec 8, 1993 → Mar 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6632296B2 | Steel pipe having high formability and method for producing the same | Emerging Cross-Sectional Technologies | 35 | Expired |
| US8951366B2 | High-strength cold-rolled steel sheet and method of manufacturing thereof | Chemistry; Metallurgy | 16 | Active |
| US7534312B2 | Steel plate exhibiting excellent workability and method for producing the same | Chemistry; Metallurgy | 15 | Expired |
| US9109275B2 | High-strength galvanized steel sheet and method of manufacturing the same | Emerging Cross-Sectional Technologies | 10 | Active |
| US8911567B2 | High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing of high-strength steel sheet | Emerging Cross-Sectional Technologies | 10 | Active |
| US8888933B2 | High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets | Emerging Cross-Sectional Technologies | 9 | Active |
| US7762379B2 | Floating type disk brake | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US5665669A | Metallic honeycomb body for supporting catalyst and production method thereof | Performing Operations; Transporting | 7 | Expired |
| US7267890B2 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance corrosion resistance ductility and plating adhesion after servere deformation and a method of producing the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7842142B1 | High strength part and method for producing the same | Chemistry; Metallurgy | 6 | Active |
| US8216397B2 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the same | Emerging Cross-Sectional Technologies | 5 | Active |
| US7824509B2 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the same | Emerging Cross-Sectional Technologies | 5 | Active |
| US5843370A | Ferritic stainless steel for exhaust system equipment of vehicle | Chemistry; Metallurgy | 4 | Expired |
| US8353391B2 | Floating type brake disc | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US5427634A | Ferrite system stainless steel having excellent nacl-induced hot corrosion resistance and high temperature strength | Chemistry; Metallurgy | 4 | Expired |
| US9546413B2 | Hot-rolled steel sheet and production method thereof | Chemistry; Metallurgy | 4 | Active |
| US9670569B2 | Cold-rolled steel sheet and production method thereof | Chemistry; Metallurgy | 4 | Active |
| US6866725B2 | Steel pipe excellent in formability and method of producing the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9783878B2 | High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with tensile strength of 980 MPa or more and manufacturing method therefor | Emerging Cross-Sectional Technologies | 4 | Active |
| US10087499B2 | Hot-rolled steel sheet and manufacturing method thereof | Emerging Cross-Sectional Technologies | 3 | Active |
| US7749343B2 | Method to produce steel sheet excellent in workability | Chemistry; Metallurgy | 3 | Active |
| US9512508B2 | High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereof | Emerging Cross-Sectional Technologies | 3 | Active |
| US10066283B2 | High-strength cold-rolled steel sheet having excellent uniform elongation and hole expandability | Emerging Cross-Sectional Technologies | 2 | Active |
| US9540720B2 | High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and small material anisotropy with ultimate tensile strength of 980 MPa or more | Emerging Cross-Sectional Technologies | 2 | Active |
| US9752217B2 | Hot-rolled steel sheet and method of producing the same | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.