Young-chul Ko
42Patents
6h-index
67Co-inventors
72Inventor score
Filing activity: Aug 3, 1981 → Aug 3, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6995495B2 | 2-D actuator and manufacturing method thereof | Performing Operations; Transporting | 16 | Expired |
| US9989474B2 | Gas sensor, refrigerator having the same, and method for manufacturing the gas sensor | Physics | 15 | Active |
| US4388352A | Method for preparing a controlled release composition | Textiles; Paper | 13 | Expired |
| US7508111B2 | Biaxial actuators with comb electrodes having separated vertical positions | Physics | 11 | Active |
| US7724411B2 | 2-axis driving electromagnetic scanner | Physics | 8 | Active |
| US6781279B2 | Micro-actuator with interdigitated combs perpendicular to a base | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7242511B2 | Frequency tunable resonant scanner | Physics | 5 | Expired |
| US7573628B2 | Actuator comprising mechanic filter | Electricity | 4 | Active |
| US7750767B2 | Micro electro mechanical system device | Electricity | 4 | Active |
| US7083737B2 | Method for manufacturing a micro-actuator | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7301692B2 | Micro mirror and method for fabricating the same | Physics | 3 | Active |
| US7294925B2 | Optical scanner package having heating dam | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7880571B2 | Two-axis driving electromagnetic micro-actuator | Electricity | 3 | Active |
| US9474404B2 | Cooking apparatus and method of controlling the same | Physics | 3 | Active |
| US7369298B2 | Optical scanner and laser image projector using the same | Electricity | 2 | Expired |
| US7445723B2 | Optical scanner and method of fabricating the same | Physics | 2 | Active |
| US10119753B2 | Gas sensor module, refrigerator having the same and control method for the refrigerator | Emerging Cross-Sectional Technologies | 2 | Active |
| US7185994B2 | Micro mirror and method for fabricating the same | Physics | 2 | Expired |
| US7149022B2 | Optical scanner with curved mirror and method of manufacturing the same | Physics | 2 | Expired |
| US7255768B2 | Anodic bonding structure, fabricating method thereof, and method of manufacturing optical scanner using the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9429333B2 | Humidifier | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10953357B2 | Oil mist filter and air cleaner having the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US7348535B2 | Metal line structure of optical scanner and method of fabricating the same | Physics | 1 | Active |
| US9505934B2 | Super-hydrorepellent coating composition, super-hydrorepellent coating layer including cured product of the super-hydrorepellent coating composition, and heat exchanger including the super-hydrorepellent coating layer | Emerging Cross-Sectional Technologies | 1 | Active |
| US7413920B2 | Double-sided etching method using embedded alignment mark | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.