Inventor
EL-HASSAN WASSIM
US20 patents
⚠️ This page may combine multiple inventors who share the name “EL-HASSAN WASSIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLE INC
15 patentsUS9634695B1Apr 25, 2017
Wireless devices having multiple transmit chains with predistortion circuitry
APPLE INC22 citations92
US10833750B2Nov 10, 2020
Codebook updates for a linear system using superposition
APPLE INC10 citations81
US10778345B2Sep 15, 2020
Dynamic look up table measurements for transmitter with envelope tracking systems
APPLE INC15 citations80
US10637590B2Apr 28, 2020
Millimeter wave test systems
APPLE INC4 citations72
US9876588B2Jan 23, 2018
Systems and methods for performing tester-less radio-frequency testing on wireless communications circuitry
APPLE INC2 citations72
US9654154B2May 16, 2017
Radio frequency adaptive voltage shaping power amplifier systems and methods
APPLE INC2 citations71
US9537519B2Jan 3, 2017
Systems and methods for performing power amplifier bias calibration
APPLE INC6 citations71
US11349533B2May 31, 2022
Dynamic antenna weight vector codebooks
APPLE INC2 citations70
US11012164B2May 18, 2021
Systems and methods for radio frequency head validation via antenna coupling or signal reflection
APPLE INC2 citations67
US12375191B2Jul 29, 2025
Radio frequency handset calibration based on antenna gain
APPLE INC0 citations59
US11722230B2Aug 8, 2023
Radio frequency handset calibration based on antenna gain
APPLE INC0 citations59
US10454423B1Oct 22, 2019
Techniques for improving cellular current consumption
APPLE INC1 citations56
US11637640B2Apr 25, 2023
Self-calibration for implicit beamforming
APPLE INC0 citations53
US10666366B2May 26, 2020
Reverse coupler for transceiver devices
APPLE INC0 citations49
US12477167B2Nov 18, 2025
Accessory for electronic device including broadcast signal tuner
APPLE INC0 citations41
EL-HASSAN WASSIM
3 patentsUS8805306B2Aug 12, 2014
Method for determining optimum power amplifier configurations using list mode testing
EL-HASSAN WASSIM3 citations60
US9178629B2Nov 3, 2015
Non-synchronized radio-frequency testing
EL-HASSAN WASSIM2 citations59
US8116208B2Feb 14, 2012
System and method for testing multiple digital signal transceivers in parallel
EL-HASSAN WASSIM0 citations38