Inventor · Boston, MA, US

Han Lee

17Patents
8h-index
16Co-inventors
69Inventor score

Filing activity: Dec 24, 1991 → Jun 14, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
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.