RT

Robert William Tkach

AT AT&T: 29 patents #529 of 18,772Top 3%
Alcatel Lucent: 8 patents #310 of 4,169Top 8%
AT American Telephone And Telegraph: 2 patents #45 of 699Top 7%
LI Lgs Innovations: 2 patents #12 of 62Top 20%
📍 Little Silver, NJ: #6 of 102 inventorsTop 6%
🗺 New Jersey: #1,490 of 69,400 inventorsTop 3%
Overall (All Time): #86,813 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
5878177 Layered switch architectures for high-capacity optical transport networks Ezhan Karasan, Lih-Yuan Lin 1999-03-02
5847862 Multi-channel optical fiber communication system Andrew R. Chraplyvy, Fabrizio Forghieri 1998-12-08
5831761 High capacity optical fiber network Andrew R. Chraplyvy 1998-11-03
5719696 High capacity optical fiber network Andrew R. Chraplyvy 1998-02-17
5587830 High capacity optical fiber network Andrew R. Chraplyvy 1996-12-24
5559920 Dispersion compensation in optical fiber communications Andrew R. Chraplyvy, Fabrizio Forghieri, Alan H. Gnauck 1996-09-24
5546210 Multi-channel optical fiber communication system Andrew R. Chraplyvy, Fabrizio Forghieri 1996-08-13
5420868 Suppression of brillouin scattering in lightwave transmission system Andrew R. Chraplyvy, Xiaoping Mao 1995-05-30
5327516 Optical fiber for wavelength division multiplexing Andrew R. Chraplyvy, Kenneth L. Walker 1994-07-05
5225922 Optical transmission system equalizer Andrew R. Chraplyvy, Jonathan Nagel 1993-07-06
5027435 Optical communication systems using Fabry-Perot cavities Andrew R. Chraplyvy, Patrick P. Iannone, Ivan P. Kaminow, Tingye Li, Julian Stone +1 more 1991-06-25
4908833 Distributed feedback laser for frequency modulated communication systems Andrew R. Chraplyvy, Thomas L. Koch 1990-03-13
4905253 Distributed Bragg reflector laser for frequency modulated communication systems Andrew R. Chraplyvy, Thomas L. Koch 1990-02-27