PHOTONETICS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6252718 Optical reflector and laser with external cavity incorporating such a reflectorFeb 14, 00Jun 26, 01[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6084695 Optical fiber wavelength multiplexer and demutiplexerExpiredJul 11, 97Jul 04, 00[H04J]
5270791 Fibre optic measuring device, rate gyro, stabilization system and magnetic field or current sensorExpiredMay 13, 91Dec 14, 93[G01C]
5115677 Methods and devices for determining the contact angle of a drop of liquid placed on a substrateExpiredApr 05, 90May 26, 92[G01N]
5028395 Active chemical sensor with optical fiber and its production processExpiredJul 16, 90Jul 02, 91[G01N, A61B, G02B, C09B]
4994677 Method for positioning an object relative to a plane and measuring length and apparatus for implementing sameExpiredMay 09, 89Feb 19, 91[G01B]
4932782 Channelled light spectrum analysis measurement method and device, more especially for measuring a low amplitude movement of a mobile surface, which may be representative of a variation of a physical magnitude convertible into such a movementExpiredJul 27, 88Jun 12, 90[G01B]
4870269 Optical-fiber detection device which involves testing for good performanceExpiredFeb 02, 88Sep 26, 89[H01J]
4843233 Device for detecting vibrations including a multimode optical fiber as sensitive elementExpiredMay 09, 88Jun 27, 89[H01J]
4770047 Optical fiber sensorExpiredApr 16, 87Sep 13, 88[G01L]

Top Inventors for This Owner

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