LC

Leonard G. Cohen

AT AT&T: 20 patents #813 of 18,772Top 5%
BL Bell Telephone Laboratories: 3 patents #167 of 1,445Top 15%
GS General Dynamics Advanced Technology Systems: 1 patents #11 of 36Top 35%
Overall (All Time): #109,016 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 25 most recent of 33 patents

Patent #TitleCo-InventorsDate
6539149 Waveguide grating router employing transmissive Echelle gratings Giovanni Barbarossa, Yuan Li, Yan Wang 2003-03-25
6426859 Static dissipative/anti-static expansion/fixed size bracelet/buckle combination 2002-07-30
6421167 Multiple function bandwidth management systems David B. Patterson, James Murdock, Brian Charles Moore, Adolph H. Moesle, Jr., Koo Il Kang +1 more 2002-07-16
RE36471 Passive optical communication network with broadband upgrade 1999-12-28
5930150 Method and system for designing and analyzing optical application specific integrated circuits Morton I. Schwartz, Yan Wang, Henry H. Yaffe 1999-07-27
5914889 Method and system for generating a mask layout of an optical integrated circuit Charles H. Henry, Yuan Li, Morton I. Schwartz, Yan Wang, Henry H. Yaffe 1999-06-22
5911019 Method for upgrading a hybrid fiber coax network to an all fiber network 1999-06-08
5821510 Labeling and tracing system for jumper used in an exchange George F. DeVeau, Jr. 1998-10-13
5774605 Ribbon array optical switch and optical switch architecture utilizing same 1998-06-30
5699176 Upgradable fiber-coax network 1997-12-16
5680490 Comb splitting system and method for a multichannel optical fiber communication network Yuan Li 1997-10-21
5440416 Optical network comprising a compact wavelength-dividing component Charles H. Henry, Rudolf F. Kazarinov, Henry H. Yaffe 1995-08-08
5418868 Thermally activated optical switch Charles H. Henry, Rudolf F. Kazarinov, Yiu-Huen Wong 1995-05-23
5384635 Remote sensing in optical fiber networks by synchronously detecting backscattered optical signals Adolph H. Moesle, Jr., Ashish M. Vengsarker 1995-01-24
5329392 Optical communication system with multiple fiber monitoring 1994-07-12
5321541 Passive optical communication network with broadband upgrade 1994-06-14
5309534 Optical filter having multiple interferometric stages Charles H. Henry, Rudolf F. Kazarinov, Mark E. Kuznetsov 1994-05-03
5285305 Optical communication network with passive monitoring Jack Winters 1994-02-08
5074633 Optical communication system comprising a fiber amplifier John T. Krause, William Alfred Reed, Kenneth L. Walker 1991-12-24
5046800 Article comprising a passive optical waveguide Lee L. Blyler, Jr., Edwin Arthur Chandross, Louis Thomas Manzione 1991-09-10
D318797 Container for perfume or the like 1991-08-06
4974930 Mode scrambler with non-invasive fabrication in an optical fiber's cladding Lee L. Blyler, Jr., Gary J. Grimes, Lawrence J. Haas 1990-12-04
4834496 Optical fiber sensors for chemical detection Lee L. Blyler, Jr., Robert A. Lieberman, John B. MacChesney 1989-05-30
4820016 Waveguide-containing communications and sensing systems John Hegarty 1989-04-11
4752021 Garment display device 1988-06-21