Learn more

E TEK DYNAMICS INC

Overview
  • Total Patents
    138
About

E TEK DYNAMICS INC has a total of 138 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets optics, telecommunications and machines are JDS FITEL INC, E TEK DYNAMICS and XPONENT PHOTONICS INC.

Patent filings per year

Chart showing E TEK DYNAMICS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pan Jing-Jong 93
#2 Shih Ming 25
#3 Xu Jingyu 16
#4 Tai Kuochou 13
#5 Huang Yonglin 11
#6 Chang Kok Wai 9
#7 Pan J J 8
#8 Shi Yuan 8
#9 Cai Bo 7
#10 Huang Yong 6

Latest patents

Publication Filing date Title
US2002149850A1 Tunable optical filter
US2002146210A1 Walk-off compensation by tube rotation
CA2337296A1 Interleaver/deinterleavers causing little or no dispersion of optical signals
CA2330407A1 Modular interleaver/deinterleaver
US6317250B1 Optical isolator using multiple core fibers
WO0003297A1 Method and apparatus for manufacturing apodized phase masks and related devices
WO0003277A1 Improved add/drop wdm multiplexer for fiberoptic networks
US6195479B1 Fiberoptic reflective variable attenuator and on-off switch
US6212305B1 Highly miniaturized, folded reflection optical isolator
US6181846B1 Fiberoptic liquid crystal on-off switch and variable attenuator
US6249625B1 Fiberoptic devices with a joined optical fiber subassembly
US6246518B1 Reflection type optical isolator
US6078716A Thermally expanded multiple core fiber
US6240220B1 Tunable optical fiber package
US6014485A Sharp skirt optical filter system
US6018534A Fiber bragg grating DFB-DBR interactive laser and related fiber laser sources
US6075596A Low cost fiber optic circulator
US6181851B1 Temperature-compensated optical fiber package
US6039806A Precision thickness optical coating system and method of operation thereof
US6130984A Miniature variable optical attenuator