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PHOTOP TECHNOLOGIES INC

Overview
  • Total Patents
    201
  • GoodIP Patent Rank
    223,112
About

PHOTOP TECHNOLOGIES INC has a total of 201 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China and United States. Its main competitors in its focus markets optics, telecommunications and audio-visual technology are K2 OPTRONICS INC, TOMIJIMA TAKUMI and SHENZHEN LIGHTCOMM TECH CO LTD.

Patent filings in countries

World map showing PHOTOP TECHNOLOGIES INCs patent filings in countries
# Country Total Patents
#1 China 197
#2 United States 4

Patent filings per year

Chart showing PHOTOP TECHNOLOGIES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Wu 108
#2 Jiwu Ling 80
#3 Wu Li 68
#4 Weimin Chen 40
#5 He Kun 36
#6 Yingjun Ma 36
#7 Xiuai Lu 28
#8 Jianyang Yang 25
#9 Yanping Chen 22
#10 Yongjin Peng 20

Latest patents

Publication Filing date Title
CN105334578A Fiber isolator structure and manufacturing method thereof
CN104868350A High-power laser
CN104752945A Short-cavity passively mode-locked laser device
CN104749715A Single-mode optical fiber coupling structure of multi-transverse mode laser
CN104749713A TOSA optical structure
CN104749714A TOSA optical structure
CN104729994A Method and apparatus for enhancing signal-to-noise ratio of Raman spectrometer
CN104730658A Coupling optical fiber array fixing structure and semiconductor laser unit array
CN104682196A Direct semiconductor laser
CN104577652A Array fiber laser device, amplifier and manufacturing methods of multi-core fiber
CN104466645A Short-cavity passive mode lock laser
CN104467974A Single-fiber bidirectional BOSA structure for high-speed transceiving system
CN104459904A Single-fiber bidirectional BOSA structure
CN104426053A Semiconductor laser device packaging structure
CN104426606A Optical coherent receiver time delay and phase difference test method and test system
CN104345404A Package structure of 100 G high-frequency module
CN104345445A Optical delayer
CN104349578A Multichannel transmission high-frequency circuit board
CN104348074A Wide temperature diode pump laser and laser for wide temperature LD pump
CN104348076A Tunable filtering structure and laser device