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

Richard S. Roy — 59 Patents

MOMosys: 11 patents #5 of 45Top 15%
VLVirage Logic: 8 patents #6 of 67Top 9%
FOFormfactor: 7 patents #25 of 177Top 15%
SUSuvolta: 7 patents #9 of 61Top 15%
HSHitachi Micro Systems: 6 patents #1 of 30Top 4%
MLMie Fujitsu Semiconductor Limited: 6 patents #16 of 49Top 35%
AIAtomera Incorporated: 4 patents #14 of 20Top 70%
TST-Ram Semiconductor: 3 patents #10 of 26Top 40%
VIVisic: 3 patents #1 of 12Top 9%
MSMosaic Systems: 2 patents #3 of 8Top 40%
FLFujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%
VTVlsi Technology: 1 patents #349 of 594Top 60%
Lago Vista, TX: #2 of 55 inventorsTop 4%
Texas: #1,264 of 125,132 inventorsTop 2%
Overall (All Time): #39,964 of 4,157,543Top 1%
59 Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
8451675 Methods for accessing DRAM cells using separate bit line control Dipak K. Sikdar 2013-05-28
8446755 Multiple cycle memory write completion 2013-05-21
8368217 Integrated circuit package with segregated Tx and Rx data channels Michael J. Miller, Mark Baumann 2013-02-05
8139399 Multiple cycle memory write completion 2012-03-20
7859929 Sense amplifiers 2010-12-28
7379381 State maintenance pulsing for a memory device Farid Nemati 2008-05-27
7319622 Bitline shielding for thyristor-based memory 2008-01-15
7158425 System and method for providing a redundant memory array in a semiconductor memory integrated circuit Chao-Wu Chen, Wasim Khaled 2007-01-02
6937055 Programmable I/O buffer Ali Massoumi, Chao-Wu Chen 2005-08-30
6886078 Simultaneous access and cache loading in a hierarchically organized memory circuit 2005-04-26
6678850 Distributed interface for parallel testing of multiple devices using a single tester channel Charles A. Miller 2004-01-13
6664628 Electronic component overlapping dice of unsingulated semiconductor wafer Igor Y. Khandros, David V. Pedersen, Benjamin N. Eldridge, Gaetan L. Mathieu 2003-12-16
6559671 Efficient parallel testing of semiconductor devices using a known good device to generate expected responses Charles A. Miller 2003-05-06
6499121 Distributed interface for parallel testing of multiple devices using a single tester channel Charles A. Miller 2002-12-24
6480978 Parallel testing of integrated circuit devices using cross-DUT and within-DUT comparisons Charles A. Miller 2002-11-12
6466504 Compilable block clear mechanism on per I/O basis for high-speed memory 2002-10-15
6452411 Efficient parallel testing of integrated circuit devices using a known good device to generate expected responses Charles A. Miller 2002-09-17
6392957 Fast read/write cycle memory device having a self-timed read/write control circuit Alexander Shubat, Adam Kablanian, Jaroslav Raszka 2002-05-21
6356503 Reduced latency row selection circuit and method 2002-03-12
6330164 Interconnect assemblies and methods including ancillary electronic component connected in immediate proximity of semiconductor device Igor Y. Khandros, David V. Pedersen, Benjamin N. Eldridge, Gaetan L. Mathieu 2001-12-11
6292427 Hierarchical sense amp and write driver circuitry for compilable memory 2001-09-18
6282131 Self-timed clock circuitry in a multi-bank memory instance using a common timing synchronization node 2001-08-28
6249471 Fast full signal differential output path circuit for high-speed memory 2001-06-19
6236618 Centrally decoded divided wordline (DWL) memory architecture 2001-05-22
6125421 Independent multichannel memory architecture 2000-09-26