Osamu Furukimi
51Patents
13h-index
73Co-inventors
87Inventor score
Filing activity: Jul 14, 1989 → Jun 7, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6364968B1 | High-strength hot-rolled steel sheet having excellent stretch flangeability, and method of producing the same | Chemistry; Metallurgy | 39 | 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 |
| US6410163B1 | High strength thin steel sheet, high strength alloyed hot-dip zinc-coated steel sheet, and method for producing them | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6537394B1 | Method for producing hot-dip galvanized steel sheet having high strength and also being excellent in formability and galvanizing property | Chemistry; Metallurgy | 19 | Expired |
| US5308702A | Iron-based powder composition for use in powder metallurgy, process for its production and process for producing iron-base sintered material | Emerging Cross-Sectional Technologies | 18 | 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 |
| US6221179A | Hot rolled steel plate to be processed having hyper fine particles, method of manufacturing the same, and method of manufacturing cold rolled steel plate | Chemistry; Metallurgy | 17 | Expired |
| US6210496A | High-strength high-workability cold rolled steel sheet having excellent impact resistance | Chemistry; Metallurgy | 16 | Expired |
| US4954171A | Composite alloy steel powder and sintered alloy steel | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6290784A | Hot rolled steel sheet having an ultrafine grain structure and process for producing steel sheet | Performing Operations; Transporting | 15 | 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 |
| US7806993B2 | Heat-resistant ferritic stainless steel and method for production thereof | Chemistry; Metallurgy | 13 | Expired |
| US7396420B2 | Hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5055128A | Sintered Fe-Co type magnetic materials | Chemistry; Metallurgy | 12 | Expired |
| US6290789A | Ultrafine-grain steel pipe and process for manufacturing the same | Chemistry; Metallurgy | 11 | Expired |
| US6835487B2 | Stainless steel separator for fuel cells, method for making the same, and solid polymer fuel cell including the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6221180A | Steel sheet for can and manufacturing method thereof | Chemistry; Metallurgy | 8 | Expired |
| US5098648A | Production process for sintered Fe-Co type magetic materials | Chemistry; Metallurgy | 7 | Expired |
| US6692584B2 | High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same | Chemistry; Metallurgy | 7 | Expired |
| US6733601B2 | Ferritic stainless steel sheet with excellent workability | Chemistry; Metallurgy | 6 | Expired |
| US6911098B2 | Ferritic stainless steel sheet having excellent deep-drawability and brittle resistance to secondary processing and method for making the same | Chemistry; Metallurgy | 6 | Expired |
| US5666634A | Alloy steel powders for sintered bodies having high strength, high fatigue strength and high toughness, sintered bodies, and method for manufacturing such sintered bodies | Performing Operations; Transporting | 6 | Expired |
| US8357247B2 | Martensitic stainless steel for disk brakes | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7341690B2 | Soft Cr-containing steel | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.