Learn more

ZENASTRA PHOTONICS INC

Overview
  • Total Patents
    18
About

ZENASTRA PHOTONICS INC has a total of 18 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Canada, Australia and United States. Its main competitors in its focus markets optics, materials and metallurgy and macromolecular chemistry and polymers are ISUZU GLASS CO LTD, GALILEO CORP and ISUZU SEIKO GLASS KK.

Patent filings per year

Chart showing ZENASTRA PHOTONICS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xiao Gaozhi 7
#2 Zhang Zhiyi 7
#3 Mcmullin David Andrew 5
#4 Wagner James William Theodore 5
#5 Pan Guang 4
#6 Zhou Ming 4
#7 Sun De-Gui 4
#8 Zhang Pinqing 3
#9 Calogeracos James 2
#10 Calogeracos James P 2

Latest patents

Publication Filing date Title
CA2361130A1 Method for preparing optical fibers for connection to other fibers or to planar waveguides and device for such connection
CA2345939A1 Application of deuterium oxide in producing silicon containing and metal containing materials
CA2342681A1 Optical adhesive composition
CA2341048A1 Novel optical waveguide switch using cascaded mach-zehnder interferometers
US2002159684A1 Novel optical waveguide switch using cascaded mach-zehnder interferometers
CA2339053A1 Organic-inorganic hybrids surface adhesion promotor
US2002123592A1 Organic-inorganic hybrids surface adhesion promoter
CA2328262A1 Manufacturing method to make bragg gratings
CA2325424A1 Method for preparing optical fibers for connection to other fibers or to planar waveguides and device for such connection
EP1159647A1 Directional coupler type electro-optic modulator
AU2898900A Programmable demultiplexer using electro-optically modulated polymeric grating array