Li Zeng
43Patents
4h-index
96Co-inventors
66Inventor score
Filing activity: Nov 21, 1996 → Aug 9, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9250355B2 | Device and method for optical beam combination | Physics | 24 | Active |
| US9042051B2 | Gradient write gap for perpendicular magnetic recording writer | Physics | 20 | Active |
| US8848747B2 | Method and device for recovering OTUk frame, and system for transporting OTUk frame | Electricity | 9 | Active |
| US10921534B2 | Optical module structure and fabrication method for optical module structure | Physics | 4 | Active |
| US9135930B1 | Method for fabricating a magnetic write pole using vacuum deposition | Physics | 4 | Active |
| US8134919B2 | Method and device for protecting ethernet tree services | Electricity | 4 | Active |
| US7795854B2 | Voltage regulating circuit | Electricity | 3 | Active |
| US7795852B2 | Apparatus and method for adjusting working frequency of voltage regulator down circuit (VRD) by detecting current | Electricity | 2 | Active |
| US10887677B2 | Optical receiver | Electricity | 2 | Active |
| US9214166B1 | Gradient write gap for perpendicular magnetic recording writer | Physics | 2 | Active |
| US11228823B2 | Optical receiver | Electricity | 1 | Active |
| US5930691A | Radio receiver capable of easily adjusting a reproduction speed of a speech signal | Physics | 1 | Expired |
| US8982697B2 | Method and apparatus for sending and receiving ethernet physical-layer OAM overhead | Electricity | 1 | Active |
| US9954644B2 | Ethernet data processing method, physical layer chip and Ethernet equipment | Electricity | 1 | Active |
| US10531149B2 | Method and system for managing buffers | Electricity | 1 | Active |
| US8737844B2 | Method and apparatus for implementing PDM-BPSK modulation and QPSK modulation in compatible manner | Electricity | 1 | Active |
| US11531228B2 | Display device and method for manufacturing the same | Physics | 1 | Active |
| US7542479B2 | Transfer device for implementing multi-port service convergence and method thereof | Electricity | 1 | Active |
| US9759867B2 | Device and method for optical beam combination | Physics | 1 | Active |
| US10230486B2 | Optical transceiver with common end module | Electricity | 0 | Active |
| US10422967B2 | Optical coupling apparatus and method | Physics | 0 | Active |
| US9294217B2 | Optical signal multiplexing method and optical multiplexer | Physics | 0 | Active |
| US9735540B2 | Laser | Electricity | 0 | Active |
| US11522341B2 | Tunable laser and laser transmitter | Electricity | 0 | Active |
| US11095386B2 | Add/drop filter and optical add/drop multiplexer | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.