DD

David J. DiGiovanni

AT AT&T: 44 patents #287 of 18,772Top 2%
OF Ofs Fitel: 28 patents #6 of 182Top 4%
FC Furukawa Electric Co.: 10 patents #1 of 86Top 2%
FU Fitel Usa: 9 patents #9 of 266Top 4%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Mountain Lakes, NJ: #1 of 135 inventorsTop 1%
🗺 New Jersey: #239 of 69,400 inventorsTop 1%
Overall (All Time): #15,783 of 4,157,543Top 1%
96
Patents All Time

Issued Patents All Time

Showing 76–96 of 96 patents

Patent #TitleCo-InventorsDate
5659644 Fiber light source with multimode fiber coupler Stephen G. Grubb, Daryl Inniss, Ralph Stephen Jameson, Kenneth L. Walker 1997-08-19
5633964 Article comprising a multi-stage erbium-doped fiber amplifier Gloria R. Jacobovitz-Veselka, Paul F. Wysocki 1997-05-27
5609665 Method of making optical fiber with low melting glass core Allan James Bruce 1997-03-11
5596668 Single mode optical transmission fiber, and method of making the fiber Kenneth L. Walker 1997-01-21
5572618 Optical attenuator Katherine Theresa Nelson, Jay R. Simpson, Kenneth L. Walker 1996-11-05
5479551 Optical fiber non-reciprocal phase shifters and optical isolators using them Kenneth L. Walker, Weyl-kuo Wang, Raymond Wolfe 1995-12-26
5440417 System for spectrum-sliced fiber amplifier light for multi-channel wavelength-division-multiplexed applications Yun Chur Chung, Jae-Sook Lee 1995-08-08
5430572 High power, high gain, low noise, two-stage optical amplifier Joseph Evankow, Jonathan Nagel, Richard G. Smart, James W. Sulhoff, John Zyskind 1995-07-04
5406404 Method of mitigating gain peaking using a chain of fiber amplifiers Jonathan Nagel, Richard G. Smart, James W. Sulhoff, John Zyskind 1995-04-11
5378664 Optical fiber amplifier and a glass therefor Philippe C. Becker, Allan James Bruce, Vincent George Lambrecht, Jr. 1995-01-03
5259046 Article comprising an optical waveguide containing a fluorescent dopant Ashish Madhukar Vengsarkar, Kenneth L. Walker 1993-11-02
5237576 Article comprising an optical fiber laser Victor Mizrahi, John Zyskind 1993-08-17
5237637 Resonantly enhanced optical second harmonic generator Denise M. Krol, Chandra M. Varma 1993-08-17
5212757 Fatigue resistant optical fiber Darryl L. Brownlow, Daryl Inniss 1993-05-18
5187759 High gain multi-mode optical amplifier Clinton Randy Giles, Stuart A. Kramer, Gerald Nykolak, Herman M. Presby, Jay R. Simpson 1993-02-16
5181210 Electrically tunable fiber ring laser Yun Chur Chung, Julian Stone, James W. Sulhoff, John Zyskind 1993-01-19
5132976 Electrically tunable fiber ring laser Yun Chur Chung, Julian Stone, James W. Sulhoff, John Zyskind 1992-07-21
5123940 Sol-gel doping of optical fiber preform John B. MacChesney 1992-06-23
5115338 Multi-stage optical amplifier Clinton Randy Giles 1992-05-19
5058976 System comprising Er-doped optical fiber Kenneth L. Walker 1991-10-22
5050949 Multi-stage optical fiber amplifier Clinton Randy Giles 1991-09-24