Mamoru Nagao
19Patents
9h-index
35Co-inventors
68Inventor score
Filing activity: Oct 25, 1995 → Mar 17, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5690797A | Hydrogen and oxygen gas generating system | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5776267A | Spring steel with excellent resistance to hydrogen embrittlement and fatigue | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5783051A | Apparatus for producing hydrogen and oxygen | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5796799A | Control apparatus for oxygen concentration of water in atomic reactor | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6322641A | High-carbon steel wire superior in resistance to longitudinal cracking, steel product for the same, and process for production of the same | Textiles; Paper | 18 | Expired |
| US6645319B2 | Wire rod for drawing superior in twisting characteristics and method for production thereof | Chemistry; Metallurgy | 11 | Expired |
| US8221899B2 | Steel material for dissimilar metal joining, joined body of dissimilar metals and process for joining dissimilar metal materials | Emerging Cross-Sectional Technologies | 11 | Active |
| US8337998B2 | Steel material for dissimilar metal joining, joined body of dissimilar metals and process for joining dissimilar metal materials | Emerging Cross-Sectional Technologies | 11 | Active |
| US6800147B2 | High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6783609B2 | High-carbon steel wire rod with superior drawability and method for production thereof | Chemistry; Metallurgy | 8 | Expired |
| US7258756B2 | Very thin, high carbon steel wire and method of producing same | Chemistry; Metallurgy | 5 | Expired |
| US5795450A | Apparatus for producing hydrogen and oxygen | Chemistry; Metallurgy | 4 | Expired |
| US7037387B2 | Steel wire excellent in descalability in mechanical descaling and method for production thereof | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7850793B2 | Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing | Chemistry; Metallurgy | 2 | Expired |
| US7393422B2 | Method for producing high carbon steel wire rod superior in wire-drawability | Chemistry; Metallurgy | 2 | Expired |
| US9671182B2 | Copper alloy tube for heat exchanger excellent in fracture strength | Chemistry; Metallurgy | 1 | Active |
| US8444777B2 | High-strength and high-ductility Al alloy and process for production of the same | Chemistry; Metallurgy | 1 | Active |
| US8329094B2 | Magnesium alloy and process for producing the same | Chemistry; Metallurgy | 0 | Active |
| US9744744B2 | Press-formed article and method for manufacturing same | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.