Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HN

Hung C. Ngo

IBM: 96 patents #604 of 70,183Top 1%
INIntel: 1 patents #18,218 of 30,777Top 60%
Texas: #476 of 125,132 inventorsTop 1%
Overall (All Time): #15,525 of 4,157,543Top 1%
97 Patents All Time

Issued Patents All Time

Showing 51–75 of 97 patents

Patent #TitleCo-InventorsDate
6975134 Buffer/driver circuits Jente B. Kuang, Kevin John Nowka 2005-12-13
6963629 Adaptive phase locked loop David William Boerstler, Gary Dale Carpenter 2005-11-08
6963250 Voltage controlled oscillator with selectable frequency ranges Gary Dale Carpenter 2005-11-08
6960939 Limited switch dynamic logic circuit with keeper 2005-11-01
6956793 Phase clock selector for generating a non-integer frequency division 2005-10-18
6943599 Methods and arrangements for a low power phase-locked loop 2005-09-13
6940312 Low switching power limited switch dynamic logic Jente B. Kuang 2005-09-06
6919739 Feedforward limited switch dynamic logic circuit 2005-07-19
6891399 Variable pulse width and pulse separation clock generator Wendy A. Belluomini, Robert K. Montoye 2005-05-10
6888377 Duo-mode keeper circuit 2005-05-03
6873188 Limited switch dynamic logic selector circuits Wendy A. Belluomini, Robert K. Montoye 2005-03-29
6872991 Low gate-leakage virtual rail circuit Jente B. Kuang, Kevin John Nowka 2005-03-29
6819141 High speed, static digital multiplexer Jieming Qi 2004-11-16
6809602 Multi-mode VCO David William Boerstler, Gary Dale Carpenter, Kevin John Nowka 2004-10-26
6763474 System for synchronizing nodes in a heterogeneous computer system by using multistage frequency synthesizer to dynamically adjust clock frequency of the nodes David William Boerstler, Mark E. Dean, Andrew Christian Zimmerman 2004-07-13
6710668 Glitchless wide-range oscillator, and method therefor Gary Dale Carpenter, Ivan Vo 2004-03-23
6690204 Limited switch dynamic logic circuit Wendy A. Belluomini, Robert K. Montoye 2004-02-10
6675182 Method and apparatus for performing rotate operations using cascaded multiplexers H. Peter Hofstee, Kevin John Nowka, Jun Sawada 2004-01-06
6650145 Circuits and systems for limited switch dynamic logic Wendy A. Belluomini, Robert K. Montoye 2003-11-18
6566921 Apparatus and method for high resolution frequency adjustment in a multistage frequency synthesizer David William Boerstler, Mark E. Dean, Andrew Christian Zimmerman 2003-05-20
6529082 Dual mode charge pump David William Boerstler, Gary Dale Carpenter, Kevin John Nowka 2003-03-04
6529084 Interleaved feedforward VCO and PLL David William Boerstler, Juan-Antonio Carballo, Gary Dale Carpenter, Kevin John Nowka 2003-03-04
6522207 Apparatus and method for dynamic frequency adjustment in a frequency synthesizer David William Boerstler, Mark E. Dean, Andrew Christian Zimmerman 2003-02-18
6515530 Dynamically scalable low voltage clock generation system David William Boerstler, Gary Dale Carpenter, Kevin John Nowka 2003-02-04
6501313 Dynamic duty cycle adjuster David William Boerstler, Daniel M. Dreps, Byron L. Krauter 2002-12-31