P

Inventor

CHIANG DAVID

US121 patents
⚠️ This page may combine multiple inventors who share the name “CHIANG DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

XILINX INC

21 patents
US5486776AJan 23, 1996

Antifuse-based programmable logic circuit

XILINX INC173 citations99
US5898602AApr 27, 1999

Carry chain circuit with flexible carry function for implementing arithmetic and logical functions

XILINX INC184 citations98
US5357153AOct 18, 1994

Macrocell with product-term cascade and improved flip flop utilization

XILINX INC205 citations98
US5506878AApr 9, 1996

Programmable clock having programmable delay and duty cycle based on a user-supplied reference clock

XILINX INC78 citations96
US5362999ANov 8, 1994

EPLD chip with hybrid architecture optimized for both speed and flexibility

XILINX INC50 citations96
US5784577AJul 21, 1998

Automated control system for programming PLDs

XILINX INC33 citations93
US5506518AApr 9, 1996

Antifuse-based programmable logic circuit

XILINX INC30 citations93
US5483478AJan 9, 1996

Method and structure for reducing carry delay for a programmable carry chain

XILINX INC47 citations93
US5448181ASep 5, 1995

Output buffer circuit having reduced switching noise

XILINX INC22 citations93
US5332929AJul 26, 1994

Power management for programmable logic devices

XILINX INC37 citations93
US5329174AJul 12, 1994

Circuit for forcing known voltage on unconnected pads of an integrated circuit

XILINX INC49 citations93
US5764076AJun 9, 1998

Circuit for partially reprogramming an operational programmable logic device

XILINX INC40 citations92
US5742178AApr 21, 1998

Programmable voltage stabilizing circuit for a programmable integrated circuit device

XILINX INC33 citations92
US5570051AOct 29, 1996

Multiplexed by-passable memory devices with increased speed and improved flip-flop utilization

XILINX INC22 citations92
US5530378AJun 25, 1996

Cross point interconnect structure with reduced area

XILINX INC43 citations92
US5302866AApr 12, 1994

Input circuit block and method for PLDs with register clock enable selection

XILINX INC33 citations92
US5349249ASep 20, 1994

Programmable logic device having security elements located amongst configuration bit location to prevent unauthorized reading

XILINX INC52 citations91
US6172519B1Jan 9, 2001

Bus-hold circuit having a defined state during set-up of an in-system programmable device

XILINX INC17 citations83
US5565792AOct 15, 1996

Macrocell with product-term cascade and improved flip flop utilization

XILINX INC14 citations81
US6018250AJan 25, 2000

Programming method to enable system recovery after power failure

XILINX INC9 citations74
US5450021ASep 12, 1995

EPLD chip with hybrid architecture optimized for both speed and flexibility

XILINX INC9 citations74

VERIZON PATENT & LICENSING INC

6 patents

ALTERA CORP

5 patents

BAO DEREK HONGWEI

3 patents

AGUIRRE SERGIO

2 patents

KOTECHA LALIT R

2 patents

SAGE N RES INC

2 patents

MACIAS JOHN F

2 patents

ADVANCED MICRO DEVICES INC

1 patent

CHIANG DAVID

1 patent

RAWAT VIKRAM K

1 patent

VERIZON PATENT AND LICENSING

1 patent

MCC ASSOC

1 patent

TJIO LEE

1 patent

CELLCO PARTNERSHIP DBA VERIZON

1 patent

Showing the top 50 of 121 patents by PatentIndex Score.