Inventor

REZAYEE AFSHIN

CA66 patents

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

REZAYEE AFSHIN

SQUARE INC

Processor power supply glitch detection

Processor power supply glitch mitigation

Multi-input tamper detection system

Anti-tamper circuit with internal local oscillator

Dynamic adjustment of near field communication tuning parameters

Systems and methods for sensing locations of near field communication devices

Multi-layer antenna

Near field communication device coupling system

Modulation of a near-field communication signal

Line-based chip card tamper detection

Devices with modifiable physically unclonable functions

Device-embedded transaction chip

Device-embedded transaction chip

Device-embedded transaction chip

Systems and methods using load modulation for wireless communication

Multiplexed tamper detection system

Devices with on-board physically unclonable functions

Expedited booting with brownout monitoring

Systems and methods for measuring temperature

Transition glitch suppression circuit

Tokenization for payment devices

Line-based chip card tamper detection

Server-enabled chip card interface tamper detection

Radio frequency noise management

Apparatus and methods for wireless communication using load modulation

Point of sale system with secure and unsecure modes

Transmit phase detection circuit

Current-mode hysteresis comparator

AC coupled level shifting circuit

Brown-out detector and power-on-reset circuit

Systems and methods for secure processing with embedded cryptographic unit

BLOCK INC

Systems and methods for provisioning point of sale terminals

Systems and methods for performing payment transactions

Systems and methods for performing payment transactions

Wearable payment device with tunable antenna

Systems and methods for performing payment transactions

Devices with on-board physically unclonable functions

Device security with physically unclonable functions

Transaction processing based on device location

Systems and methods for performing transactions

Line-based chip card tamper detection

Systems and methods for performing transactions

Device security with physically unclonable functions

Systems and methods for provisioning point of sale terminals

REZAYEE AFSHIN

Streamlined apparatus and methods for RFID communication

Apparatus and method for detecting RFID signals

RONDA TROY JACOB

Credential authentication methods and systems

KILI TECHNOLOGY CORP

Systems and methods for secure processing with embedded cryptographic unit

ABDALLA MOHAMED

Decision feedback equalizer and transceiver

SNOWBUSH INC

Switched-capacitor reset architecture for opamp