Hyuk Hee HAN
24Patents
1h-index
20Co-inventors
49Inventor score
Filing activity: Jan 9, 2018 → Apr 13, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US11642752B2 | Porous polyurethane polishing pad and process for preparing the same | Chemistry; Metallurgy | 1 | Active |
| US10723697B2 | Preparation method of polythiol for optical lenses by using metal sulfide | Performing Operations; Transporting | 1 | Active |
| US11339121B2 | Method of preparing diisocyanate composition | Emerging Cross-Sectional Technologies | 0 | Active |
| US11932591B2 | Method of preparing diisocyanate composition and optical lens | Emerging Cross-Sectional Technologies | 0 | Active |
| US10435512B2 | Polythiol composition for a plastic optical lens | Chemistry; Metallurgy | 0 | Active |
| US10723696B2 | Xylylene diisocyanate composition with improved stability and reactivity and optical lens using the same | Physics | 0 | Active |
| US11760719B2 | Diamine composition, and method of preparing diisocyanate composition | Emerging Cross-Sectional Technologies | 0 | Active |
| US12421346B2 | Polythiol composition, optical composition, and optical product | Physics | 0 | Active |
| US10703852B2 | Isocyanate composition for optical lenses and process for preparing the same | Physics | 0 | Active |
| US11673992B2 | Isocyanate composition with improved stability and reactivity, and optical lens using same | Physics | 0 | Active |
| US11572432B2 | Polythiourethane-based plastic lens | Physics | 0 | Active |
| US11518737B2 | Method of preparing diisocyanate composition and optical lens | Emerging Cross-Sectional Technologies | 0 | Active |
| US11702384B2 | Diisocyanate composition for optical lens and preparation method thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US11731936B2 | Diisocyanate composition, preparation method thereof and optical material using same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11724356B2 | Porous polyurethane polishing pad and preparation method thereof | Chemistry; Metallurgy | 0 | Active |
| US11578038B2 | Method for preparing polythiol composition | Physics | 0 | Active |
| US12049437B2 | Diisocyanate composition, preparation method thereof and optical material using same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11958937B2 | Polymerizable composition and optical material produced therefrom | Physics | 0 | Active |
| US11634383B2 | Method of preparing diisocyanate composition | Emerging Cross-Sectional Technologies | 0 | Active |
| US10759895B2 | Polymerizable composition for optical material | Physics | 0 | Active |
| US11964931B2 | Method of preparing diisocyanate composition and optical lens | Emerging Cross-Sectional Technologies | 0 | Active |
| US11155006B2 | Method and apparatus for releasing molded article from mold | Performing Operations; Transporting | 0 | Active |
| US11987541B2 | Method of preparing diisocyanate composition | Emerging Cross-Sectional Technologies | 0 | Active |
| US11325222B2 | Porous polyurethane polishing pad and method for manufacturing same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.