Han Lee
17Patents
8h-index
16Co-inventors
69Inventor score
Filing activity: Dec 24, 1991 → Jun 14, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5240238A | Cassette used for electrophotographic process engine | Performing Operations; Transporting | 126 | Expired |
| US9327280B2 | Catalytic carbonylation catalysts and methods | Performing Operations; Transporting | 54 | Active |
| US8445703B2 | Process for beta-lactone production | Emerging Cross-Sectional Technologies | 46 | Active |
| US9493391B2 | Process for beta-lactone production | Emerging Cross-Sectional Technologies | 45 | Active |
| US9206144B2 | Process for beta-lactone production | Emerging Cross-Sectional Technologies | 44 | Active |
| US8796475B2 | Process for beta-lactone production | Emerging Cross-Sectional Technologies | 43 | Active |
| US10221278B2 | Catalytic carbonylation catalysts and methods | Performing Operations; Transporting | 35 | Active |
| US10245559B2 | Nanofiltration membranes and methods of use | Performing Operations; Transporting | 31 | Active |
| US10479861B2 | Catalytic carbonylation catalysts and methods | Performing Operations; Transporting | 4 | Active |
| US11351519B2 | Absorbent polymers, and methods and systems of producing thereof and uses thereof | Performing Operations; Transporting | 1 | Active |
| US10899622B2 | Biobased carbon fibers and carbon black and methods of making the same | Chemistry; Metallurgy | 1 | Active |
| US11027242B2 | Nanofiltration membranes and methods of use | Performing Operations; Transporting | 0 | Active |
| US12209165B2 | Polyamides, and methods of producing thereof | Chemistry; Metallurgy | 0 | Active |
| US10974234B2 | Synthesis of metal complexes and uses thereof | Performing Operations; Transporting | 0 | Active |
| US11718714B2 | Polyamides, and methods of producing thereof | Chemistry; Metallurgy | 0 | Active |
| US12377405B2 | Synthesis of metal complexes and uses thereof | Performing Operations; Transporting | 0 | Active |
| US11685809B2 | Phosphorus-containing polymers, and methods of producing thereof | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.