Saiji Matsuoka
29Patents
10h-index
50Co-inventors
78Inventor score
Filing activity: Feb 28, 1986 → Jul 2, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4775599A | Cold rolled steel sheets having an improved press formability | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6331216A | Steel pipe having high ductility and high strength and process for production thereof | Chemistry; Metallurgy | 25 | Expired |
| US6676774B2 | Hot rolled steel plate and cold rolled steel plate being excellent in strain aging hardening characteristics | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6818074B2 | High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5041166A | Cold-rolled steel sheet for deep drawing and method of producing the same | Chemistry; Metallurgy | 14 | Expired |
| US7396420B2 | Hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6814819B2 | Methods of manufacturing hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8430975B2 | High strength galvanized steel sheet with excellent formability | Emerging Cross-Sectional Technologies | 11 | Active |
| US6290789A | Ultrafine-grain steel pipe and process for manufacturing the same | Chemistry; Metallurgy | 11 | Expired |
| US8241759B2 | Zinc-plated high-tension steel sheet excellent in press formability | Emerging Cross-Sectional Technologies | 10 | Active |
| US5360493A | High-strength cold-rolled steel sheet excelling in deep drawability and method of producing the same | Chemistry; Metallurgy | 9 | Expired |
| US4676844A | Production of formable thin steel sheet excellent in ridging resistance | Chemistry; Metallurgy | 9 | Expired |
| US8076008B2 | Galvanized high strength steel sheet | Emerging Cross-Sectional Technologies | 9 | Active |
| US9028626B2 | Method for manufacturing high strength galvanized steel sheet with excellent formability | Emerging Cross-Sectional Technologies | 8 | Active |
| US9011614B2 | High-strength galvanized steel sheet with excellent formability and method for manufacturing the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US8815026B2 | High strength galvanized steel sheet excellent in formability | Emerging Cross-Sectional Technologies | 7 | Active |
| US8657969B2 | High-strength galvanized steel sheet with excellent formability and method for manufacturing the same | Emerging Cross-Sectional Technologies | 6 | Active |
| US4793401A | Method of producing thin steel sheets having an improved processability | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5853659A | Steel, steel sheet having excellent workability and method of producing the same by electric furnace-vacuum degassing process | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4861390A | Method of manufacturing formable as-rolled thin steel sheets | Chemistry; Metallurgy | 4 | Expired |
| US4973367A | Method of manufacturing steel sheet having excellent deep-drawability | Chemistry; Metallurgy | 3 | Expired |
| US8784578B2 | High strength galvanized steel sheet with excellent workability and method for manufacturing the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US6171412A | Coated seizure-hardening type cold-rolled steel sheet having excellent aging resistance and method of production thereof | Chemistry; Metallurgy | 2 | Expired |
| US9157132B2 | High-strength galvanized steel sheet having excellent formability and method for manufacturing the same | Chemistry; Metallurgy | 2 | Active |
| US9458521B2 | High tensile strength galvanized steel sheets excellent in formability and methods of manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.