75088726
Mar 4, 1996
Apr 21, 1998
integrated optical circuits and parts and fittings therefor, namely, transceivers, optical switches, optical couplers, optical waveguides, pressure sensors, interferometers, optical gyros, optical delay lines, optical signal processors, distance measurers, temperature sensors, chemical sensors, biological sensors, fibre optic couplers, multi/demultiplexers, wavelength filters, and optical modulators
Electrical and Scientific Apparatus