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USPTO Patent Rankings Data through Dec 31, 2025
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Daniel C. Upp — 35 Patents

TRTranswitch: 24 patents #1 of 99Top 2%
ITInternational Telephone And Telegraph: 4 patents #30 of 507Top 6%
UCUniversity Of Connecticut: 4 patents #82 of 887Top 10%
OPOpel: 3 patents #4 of 7Top 60%
ITItt: 2 patents #257 of 721Top 40%
IEInternational Standard Electric: 1 patents #147 of 567Top 30%
Easton, CT: #8 of 158 inventorsTop 6%
Connecticut: #890 of 34,797 inventorsTop 3%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
Daniel C. Upp has been granted 35 US patents while listed as an inventor at Transwitch. The first was granted in 1980 and the most recent in August 2008. Daniel C. Upp ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list Daniel C. Upp in Easton, CT, US.

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7409120 Integrated circuit for programmable optical delay Geoff W. Taylor, Jianhong Cai 2008-08-05
7349444 SONET/SDH SPE/virtual container retiming with adaptive dual pointer leak rate computation Suvhasis Mukhopadhyay, Bart Brosens, Kris Van Aken, Chitra Wadhwa, Sachin Mathur +1 more 2008-03-25 $732,000
7333733 Optoelectronic clock generator producing high frequency optoelectronic pulse trains with variable frequency and variable duty cycle and low jitter Geoff W. Taylor, Rohinton S. Dehmubed 2008-02-19
7064697 Photonic sigma delta analog-to-digital conversation employing dual heterojunction thyristors Geoff W. Taylor, Jianhong Cai 2006-06-20
6954473 Optoelectronic device employing at least one semiconductor heterojunction thyristor for producing variable electrical/optical delay Rohinton S. Dehmubed, Geoff W. Taylor, Jianhong Cai 2005-10-11
6646983 Network switch which supports TDM, ATM, and variable length packet traffic and includes automatic fault/congestion correction Subhash Roy, Santanu Das, William B. Lipp, Jitender K. Vij, Michael M. Renault 2003-11-11 $7,700,000
6636511 Method of multicasting data through a communications switch Subhash Roy, Michael M. Renault, Frederick R. Carter, David Toebes, Rajen S. Ramchandani 2003-10-21 $3,588,000
6636515 Method for switching ATM, TDM, and packet data through a single communications switch Subhash Roy, Santanu Das, William B. Lipp, Jitender K. Vij, Michael M. Renault +2 more 2003-10-21 $3,588,000
6631130 Method and apparatus for switching ATM, TDM, and packet data through a single communications switch while maintaining TDM timing Subhash Roy, William B. Lipp, Steven Benoit, Michael M. Renault 2003-10-07 $7,503,000
6577651 Methods and apparatus for retiming and realigning sonet signals Kumar Shakti Singh, Pawan Goyal, Arnab Basak, Vikas Kumar 2003-06-10 $5,062,000
6463111 Method and apparatus for desynchronizing a DS-3 signal and/or an E3 signal from the data portion of an STS-STM payload 2002-10-08 $539,000
6243359 Methods and apparatus for managing traffic in an atm network Subhash Roy, William B. Lipp, Alberto Bricca 2001-06-05 $35,270,000
6104724 Asynchronous data transfer and source traffic control system 2000-08-15 $93,746,000
5901146 Asynchronous data transfer and source traffic control system 1999-05-04 $15,004,000
5608731 Closed loop clock recovery for synchronous residual time stamp Dan H. Wolaver 1997-03-04 $1,505,000
5568060 Circuit board insertion circuitry for high reliability backplanes William G. Bartholomay, Eugene L. Parrella, Mikio S. Ichiba 1996-10-22 $1,022,000
5548534 Two stage clock dejitter circuit for regenerating an E4 telecommunications signal from the data component of an STS-3C signal 1996-08-20 $902,000
5297180 Digital clock dejitter circuits for regenerating clock signals with minimal jitter Dan H. Wolaver 1994-03-22
5289507 Clock dejitter circuits for regenerating jittered clock signals 1994-02-22
5191582 Method and apparatus for the high speed modification of a packet address field of a transmitted packet in a frame relay system 1993-03-02
5157655 Apparatus for generating a DS-3 signal from the data component of an STS-1 payload signal Robert W. Hamlin 1992-10-20
5142529 Method and means for transferring a data payload from a first SONET signal to a SONET signal of different frequency Bidyut Parruck 1992-08-25
5119326 Waveshaping transversal filter and method utilizing the same for data transmission over coaxial cable William T. Cochran, Joseph R. Yudichak 1992-06-02
5040170 System for cross-connecting high speed digital signals William T. Cochran 1991-08-13
5033064 Clock dejitter circuit for regenerating DS1 signal 1991-07-16