Charles K. Lee
11Patents
7h-index
15Co-inventors
63Inventor score
Filing activity: Jan 21, 1977 → Feb 2, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4467651A | Method for determining acceleration | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4786861A | Frequency counting apparatus and method | Physics | 33 | Expired |
| US4139303A | Adaptive coherent optical processing method and apparatus for recognizing and counting objects | Physics | 22 | Expired |
| US5379639A | Combined force transducer and temperature sensor | Physics | 22 | Expired |
| US4541105A | Counting apparatus and method for frequency sampling | Physics | 17 | Expired |
| US5097490A | Apparatus and method for improving the resolution with which a test signal is counted | Physics | 15 | Expired |
| US5420076A | Method of forming a contact for multi-level interconnects in an integrated circuit | Electricity | 14 | Expired |
| US10918576B2 | System and method for tracking and regulating removal of patient medications | Physics | 1 | Active |
| US11517506B2 | System and method for tracking and regulating removal of patient medications | Physics | 0 | Active |
| US9547236B2 | Patterning apparatus and patterning methods thereof | Physics | 0 | Active |
| US10427185B2 | Patterning method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.