Kaptron, Inc.

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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 5200
 
  
 
H01S DEVICES USING STIMULATED EMISSION191
 
  
 
H04J MULTIPLEX COMMUNICATION 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5651085 All fiber attenuatorSep 27, 94Jul 22, 97[G02B]
5546484 Fiber optic switch using polished-type directional couplerMay 25, 95Aug 13, 96[G02B]
5487124 Bidirectional wavelength division multiplex transceiver moduleJun 30, 94Jan 23, 96[G02B]
5485538 Bidirectional wavelength division multiplex transceiver moduleJun 30, 94Jan 16, 96[G02B]
5191467 Fiber optic isolater and amplifierApr 02, 92Mar 02, 93[G02B, H01S, H04J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5408556 1 X N splitter for single-mode fibers and method of constructionExpiredDec 06, 93Apr 18, 95[G02B]
5285516 Fused fiber optic attenuator having axially overlapping fiber end portionsExpiredMar 18, 92Feb 08, 94[G02B]
5226104 Optical fiber coupler with attenuatorExpiredJul 24, 91Jul 06, 93[G02B]
5028104 Fiber optics bypass switchExpiredApr 04, 90Jul 02, 91[G02B]
4993796 Fiber optics communication modulesExpiredJun 08, 90Feb 19, 91[G02B, H04J]
4934784 Hybrid active devices coupled to fiber via spherical reflectorsExpiredMar 20, 89Jun 19, 90[H01J, H04B, G02B]
4846543 Star coupler for optical fibersExpiredDec 18, 87Jul 11, 89[G02B]

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