Anna Su
15Patents
4h-index
23Co-inventors
60Inventor score
Filing activity: Sep 27, 1993 → May 10, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5308786A | Trench isolation for both large and small areas by means of silicon nodules after metal etching | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5372968A | Planarized local oxidation by trench-around technology | Electricity | 22 | Expired |
| US5374583A | Technology for local oxidation of silicon | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5465003A | Planarized local oxidation by trench-around technology | Electricity | 13 | Expired |
| US10059569B2 | Monitoring system of a passenger conveyor, a passenger conveyor, and a monitoring method thereof | Physics | 3 | Active |
| US10173864B2 | System of monitoring handrail for a passenger conveyer device, a passenger conveyer device and monitoring method thereof | Performing Operations; Transporting | 3 | Active |
| US10214391B2 | System and method for monitoring handrail entrance of passenger conveyor | Performing Operations; Transporting | 2 | Active |
| US10479653B2 | Monitoring system of a passenger conveyor, a passenger conveyor, and a monitoring method thereof | Emerging Cross-Sectional Technologies | 2 | Active |
| US10183843B2 | Monitoring of step rollers and maintenance mechanics of passenger conveyors | Performing Operations; Transporting | 2 | Active |
| US10364130B2 | Speed detection system of passenger conveyor and speed detection method thereof | Physics | 2 | Active |
| US10071884B2 | Detection of state of engagement between step and comb plate of passenger conveyor | Performing Operations; Transporting | 1 | Active |
| US5674354A | Method for etching a conducting layer of the step-covered structure for semiconductor fabrication | Electricity | 1 | Expired |
| US10282847B2 | Monitoring system of a passenger conveyor and monitoring method thereof | Physics | 0 | Active |
| US10046952B2 | System of monitoring handrail for a passenger conveyer device, a passenger conveyer device and monitoring method thereof | General | 0 | Revoked |
| US10221046B2 | System of monitoring handrail for a passenger conveyer device, a passenger conveyer device and monitoring method thereof | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.