Anping Liu
59Patents
10h-index
85Co-inventors
81Inventor score
Filing activity: Dec 19, 2003 → Jan 22, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7539381B2 | Low bend loss coated optical fiber | Physics | 247 | Active |
| US7199924B1 | Apparatus and method for spectral-beam combining of high-power fiber lasers | Electricity | 96 | Expired |
| US7539231B1 | Apparatus and method for generating controlled-linewidth laser-seed-signals for high-powered fiber-laser amplifier systems | Electricity | 62 | Active |
| US8957374B2 | Systems and methods for measuring birefringence in glass and glass-ceramics | Physics | 56 | Active |
| US6987783B2 | Three-level air-clad rare-earth doped fiber laser/amplifier | Electricity | 48 | Expired |
| US7233442B1 | Method and apparatus for spectral-beam combining of high-power fiber lasers | Physics | 35 | Expired |
| US7570856B1 | Apparatus and method for an erbium-doped fiber for high peak-power applications | Electricity | 35 | Active |
| US9089931B1 | Systems and methods for laser cleaving optical fibers | Physics | 23 | Active |
| US7535631B2 | Method and apparatus for spectral-beam combining of fiber-amplified laser beams using high-efficiency dielectric diffractive gratings | Physics | 21 | Active |
| US8111452B2 | Wavelength conversion device with microlens and optical package incorporating the same | Electricity | 20 | Active |
| US8472763B1 | Spectral beam combination of laser beams | Electricity | 9 | Active |
| US7998558B2 | Glass sheet with protected edge, edge protector and method for making glass sheet using same | Emerging Cross-Sectional Technologies | 9 | Active |
| US9122349B1 | Image sensor panel and method for capturing graphical information using same | Electricity | 9 | Active |
| US8247730B2 | Method and apparatus for frit sealing with a variable laser beam | Performing Operations; Transporting | 8 | Active |
| US8797519B2 | Method of measuring multi-mode fiber bandwidth through accessing one fiber end | Electricity | 7 | Active |
| US9279741B2 | Method of measuring multi-mode fiber optical properties during processing of the fiber | Chemistry; Metallurgy | 7 | Active |
| US9416046B2 | Methods of laser cleaving optical fibers | Physics | 6 | Active |
| US10454492B1 | Analog-to-digital converter speed calibration techniques | Electricity | 6 | Active |
| US10688599B2 | Apparatus and methods for laser processing transparent workpieces using phase shifted focal lines | Performing Operations; Transporting | 6 | Active |
| US8744782B2 | System and method for simultaneously determining strain and temperature characteristics of an object | Physics | 5 | Active |
| US7680164B1 | Configurable laser driver with common anode and common cathode outputs | Electricity | 4 | Active |
| US10114190B2 | System and method for marking optical component at high speed | Electricity | 4 | Active |
| US9810847B1 | Methods and systems to form optical surfaces on optical fibers | Performing Operations; Transporting | 3 | Active |
| US8797642B2 | Large mode area optical fiber | Electricity | 3 | Active |
| US8163561B2 | Method for depth resolved sensing of biological entities based on surface plasmon resonance sensors | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.