Ming Li
23Patents
7h-index
15Co-inventors
62Inventor score
Filing activity: Feb 26, 2001 → Jan 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6529307B1 | Selective intensity modulation of channels in a multiplexed optical communication system | Electricity | 34 | Expired |
| US6594082B1 | Optical wavelength router using reflective surfaces to direct output signals | Electricity | 23 | Expired |
| US7292786B1 | Method and system for a re-configurable optical multiplexer, de-multiplexer and optical add-drop multiplexer | Electricity | 16 | Expired |
| US6546159B1 | Method and apparatus for compensating differential group delay | Physics | 9 | Expired |
| US7298540B2 | Equalizing optical wavelength routers | Physics | 9 | Expired |
| US6947628B1 | Dynamic wavelength-selective optical add-drop switches | Physics | 8 | Expired |
| US7333686B1 | System and method for a re-configurable optical channel dropping de-multiplexer | Electricity | 7 | Active |
| US6728488B1 | Optical systems employing anamorphic beams and diffraction gratings | Physics | 6 | Expired |
| US8644705B2 | Method, and system for a re-configurable optical multiplexer, demultiplexer and optical add-drop multiplexer | Electricity | 4 | Active |
| US10481466B2 | Optical switch | Electricity | 3 | Active |
| US7194167B2 | Method and apparatus for a fiber optic housing and aligning device | Physics | 2 | Expired |
| US7073952B2 | Stable mechanical devices for precision optical alignment and packaging | Physics | 1 | Expired |
| US7218857B1 | Method, apparatus and system for a re-configurable optical add-drop multiplexer | Electricity | 1 | Expired |
| US8063409B2 | Systems, devices and methods of broadband light sources with tunable spectrum | Physics | 1 | Active |
| US7044648B1 | Method and apparatus for a fiber optic housing and aligning device | Physics | 1 | Expired |
| US7486443B1 | High extinction ratio and low crosstalk compact optical switches | Electricity | 0 | Expired |
| US7577242B2 | Method of controlling the user calling load in soft switch system | Electricity | 0 | Expired |
| US8014067B2 | High extinction ratio and low crosstalk compact optical switches | Electricity | 0 | Active |
| US7280720B2 | Apparatus, system and method for a tunable optical filter and channel dropping de-multiplexer | Physics | 0 | Expired |
| US10422960B2 | Optical switch and optical switching system | Physics | 0 | Active |
| US7245328B2 | Apparatus and method for controlling extinction ratio in a liquid crystal polarization controller optical switch | Physics | 0 | Expired |
| US7693364B2 | Apparatus, system and method for a tunable optical filter | Physics | 0 | Active |
| US10317584B2 | Grating coupler and preparation method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.