Inventor
Yunjiang Rao
Inventor
Sichuan, CN
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light13%
G01DMeasuring not specially adapted for a specific variable9%
G06FElectric digital data processing9%
G06VImage or video recognition or understanding9%
H04BTransmission9%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
G01MTesting static or dynamic balance of machines or structures4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock4%
PatentTitleYear
11,132,557Logo extraction device, and brightness adjusting method and device for logo202111,132,080Touch circuit and driving method thereof, and driving system for a touch display device202110,644,475Random distributed Rayleigh feedback fiber laser based on double-cladding weakly ytterbium-doped fiber202010,620,038Distributed optical fiber sensing signal processing method for safety monitoring of underground pipe network202010,620,448Speckle-free imaging light source based on random fiber laser using strong-coupling multi-core optical fiber202010,564,012Method of improving measurement speed of distributed optical fiber sensor by adopting orthogonal signals and system thereof202010,491,298Hybrid random fiber laser distributed amplification method based on erbium fiber with low doping concentration20199,841,349'Method for distributedly measuring polarization transmission matrices of optical fiber and system thereof'20179,679,478'Online traffic volume monitoring system and method based on phase-sensitive optical time domain reflectometry'20179,163,960'Long-distance polarization and phase-sensitive optical time-domain reflectometry based on random laser amplification'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015Patents assigned to UNIV ELECTRONIC SCIENCE & TECH (1)· patent assignee history
2015–2020Based in Sichuan, CN· patent location history
2017–2020Patents assigned to UNIV ELECTRONIC SCI & TECH CHINA (6)· patent assignee history
2021Patents assigned to BOE TECHNOLOGY GROUP CO LTD (1)· patent assignee history
2021Patents assigned to CHONGQING BOE OPTOELECTRONICS TECH CO LTD (1)· patent assignee history
2021Patents assigned to TCL CHINA STAR OPTOELECTRONICS TECH CO LTD (1)· patent assignee history
2021Based in Beijing, CN· patent location history
2021Based in Guangdong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV ELECTRONIC SCI & TECH CHINA | 6 | 2017–2020 |
| BOE TECHNOLOGY GROUP CO LTD | 1 | 2021 |
| CHONGQING BOE OPTOELECTRONICS TECH CO LTD | 1 | 2021 |
| TCL CHINA STAR OPTOELECTRONICS TECH CO LTD | 1 | 2021 |
| UNIV ELECTRONIC SCIENCE & TECH | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sichuan, CN | 8 | 2015–2020 |
| Beijing, CN | 1 | 2021 |
| Guangdong, CN | 1 | 2021 |