Ju-sang Lee
23Patents
12h-index
45Co-inventors
77Inventor score
Filing activity: Jun 9, 2003 → Sep 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7031805B2 | Robot cleaner system having external recharging apparatus and method for docking robot cleaner with external recharging apparatus | Emerging Cross-Sectional Technologies | 194 | Expired |
| US7251853B2 | Robot cleaner having floor-disinfecting function | Human Necessities | 66 | Expired |
| US7975790B2 | Wheel driving assembly of a moving apparatus | Performing Operations; Transporting | 45 | Active |
| US7438766B2 | Robot cleaner coordinates compensation method and a robot cleaner system using the same | Physics | 37 | Active |
| US7489985B2 | Robot cleaner system and a method for returning to external recharging apparatus | Physics | 36 | Expired |
| US7004269B2 | Driving apparatus for a robot cleaner | Performing Operations; Transporting | 35 | Expired |
| US7787991B2 | Robot cleaner system and control method thereof | Physics | 32 | Active |
| US7417404B2 | Power recharger for use with robot cleaner | Electricity | 27 | Expired |
| US7751940B2 | Robot cleaner and control method thereof | Physics | 27 | Active |
| US7729803B2 | System and method for returning robot cleaner to charger | Physics | 18 | Active |
| US7108731B2 | Air cleaning robot and system thereof | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US8209053B2 | Cleaning robot | Human Necessities | 13 | Active |
| US7891387B2 | Mobile robot system having liquid supply station and liquid supply method | Human Necessities | 11 | Active |
| US8918950B2 | Mobile robot system having a plurality of exchangeable work modules and method of controlling the same | Physics | 8 | Active |
| US7239105B2 | Method compensating gyro sensor for robot cleaner | Physics | 4 | Expired |
| US9226635B2 | Robot cleaner and control method thereof | Human Necessities | 2 | Active |
| US10741596B2 | Image sensing device and method for forming the same | Electricity | 1 | Active |
| US10849471B2 | Robot cleaner and method for driving the same | Human Necessities | 1 | Active |
| US9914219B2 | Robot cleaner and controlling method thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US10984318B2 | Word semantic embedding apparatus and method using lexical semantic network and homograph disambiguating apparatus and method using lexical semantic network and word embedding | Physics | 1 | Active |
| US12156565B2 | Variable helmet | Human Necessities | 0 | Active |
| US11674196B2 | Steel reinforcing bar and production method therefor | Chemistry; Metallurgy | 0 | Active |
| US12094344B2 | System for providing big data-based artificial intelligence automatic allocation matching service using taxi demand prediction | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.