Hieu Truong
9Patents
4h-index
7Co-inventors
50Inventor score
Filing activity: Aug 27, 1990 → Apr 30, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5151167A | Coins coated with nickel, copper and nickel and process for making such coins | Chemistry; Metallurgy | 23 | Expired |
| US5139886A | Coins coated with nickel, copper and nickel | Emerging Cross-Sectional Technologies | 9 | Expired |
| US9558544B2 | Method and apparatus for authentication of a coin or other manufactured item | Physics | 7 | Active |
| US6044541A | Method of making bimetallic coins or blanks | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9922486B2 | Unique identification of coin or other object | Physics | 2 | Active |
| US7700158B2 | Method of printing an image on a metallic surface, particularly on a coin surface | Emerging Cross-Sectional Technologies | 2 | Active |
| US9540735B2 | Zincating aluminum | Emerging Cross-Sectional Technologies | 0 | Active |
| US9447515B2 | Control of electromagnetic signals of coins through multi-ply plating technology | Emerging Cross-Sectional Technologies | 0 | Active |
| US5085692A | Recovery of silver values from chlorides including silver chloride | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.