Jae Hak Lee
15Patents
12Active
15Granted
49Portfolio score
Filing activity: Apr 13, 1994 → Feb 17, 2023 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD369414S | Accu-pressure massager | General | 40 | Expired |
| US6394758B1 | Apparatus and method of controlling air compressor | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| USD778178S1 | Watch | General | 9 | Active |
| US10822854B2 | Support apparatus | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US10479555B2 | Device for adjusting the capacity of a beverage cup | Physics | 4 | Active |
| US6779993B2 | Rotor profile for screw compressors | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9893562B2 | Direct current uninterruptible power supply system | Electricity | 3 | Active |
| US9685821B2 | Uninterruptable DC power supply providing seamless DC power to load | Electricity | 2 | Active |
| US10294607B2 | Dry cleaning method and system | Textiles; Paper | 0 | Active |
| US12054849B2 | Apparatus and method for manufacturing hexagonal silicon crystal | Chemistry; Metallurgy | 0 | Active |
| US11536271B2 | Sealing device for oil injection-type screw compressor | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12247315B2 | Apparatus and method for manufacturing hexagonal crystals | Chemistry; Metallurgy | 0 | Active |
| US11823570B2 | Traffic management server, and method and computer program for traffic management using the same | Physics | 0 | Active |
| US10415145B2 | Apparatus for producing electrolyzed water | Emerging Cross-Sectional Technologies | 0 | Active |
| US10193379B2 | Direct current uninterruptible power supply system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.