Robert Steven Hang
5Patents
5h-index
6Co-inventors
48Inventor score
Filing activity: Jun 27, 1997 → Nov 26, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6491961B1 | Cold brew tea | Chemistry; Metallurgy | 19 | Expired |
| US6780454B2 | Cold brew tea | Chemistry; Metallurgy | 14 | Expired |
| US5919500A | Enzyme extraction process for tea | Electricity | 8 | Expired |
| US5952023A | Enzyme extraction process for tea | Chemistry; Metallurgy | 8 | Expired |
| US5925389A | Extraction process of tea with enzymes | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.