Qishan Yu

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Radio frequency remote head front-end circuitry systems and methods
- Patent number 12,068,533
- Issue date Aug 20, 2024
- Apple Inc.
- Berke Cetinoneri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems and methods for object detection by radio frequency systems
- Patent number 11,828,833
- Issue date Nov 28, 2023
- Apple Inc.
- Berke Cetinoneri
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods for object detection by radio frequency systems
- Patent number 11,194,032
- Issue date Dec 7, 2021
- Apple Inc.
- Berke Cetinoneri
- G01 - MEASURING TESTING
Information Patent Grant
Radio frequency front-end circuitry intermediate driver systems and...
- Patent number 11,050,454
- Issue date Jun 29, 2021
- Apple Inc.
- Berke Cetinoneri
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic devices having antenna module isolation structures
- Patent number 10,957,985
- Issue date Mar 23, 2021
- Apple Inc.
- Simone Paulotto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems and methods for coarse scan beamforming using subarrays
- Patent number 10,833,740
- Issue date Nov 10, 2020
- Apple Inc.
- Chia-Feng Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio frequency remote head front-end circuitry systems and methods
- Patent number 10,826,169
- Issue date Nov 3, 2020
- Apple Inc.
- Berke Cetinoneri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio frequency remote head front-end circuitry systems and methods
- Patent number 10,826,168
- Issue date Nov 3, 2020
- Apple Inc.
- Berke Cetinoneri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio-frequency integrated circuit (RFIC) external front-end module
- Patent number 10,763,899
- Issue date Sep 1, 2020
- Apple Inc.
- Berke Cetinoneri
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for compression distortion compensation for wir...
- Patent number 10,652,065
- Issue date May 12, 2020
- Apple Inc.
- Ioannis Sarkas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio frequency front-end circuitry intermediate driver systems and...
- Patent number 10,469,120
- Issue date Nov 5, 2019
- Apple Inc.
- Berke Cetinoneri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and methods for performing antenna transmit diversity
- Patent number 9,444,540
- Issue date Sep 13, 2016
- Apple Inc.
- Qishan Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods for testing wireless electronic devices using automatic sel...
- Patent number 9,069,037
- Issue date Jun 30, 2015
- Apple Inc.
- Qishan Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communications circuitry with a triplexer for separating r...
- Patent number 8,995,934
- Issue date Mar 31, 2015
- Apple Inc.
- Qishan Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Shielding structures for wireless electronic devices with displays
- Patent number 8,583,187
- Issue date Nov 12, 2013
- Apple Inc.
- Moon Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Radio Frequency Remote Head Front-End Circuitry Systems and Methods
- Publication number 20240363999
- Publication date Oct 31, 2024
- Apple Inc.
- Berke Cetinoneri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wireless Circuitry with Multiple Envelope Tracking Circuits
- Publication number 20240364282
- Publication date Oct 31, 2024
- Apple Inc.
- Bradley D. Scoles
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SYSTEMS AND METHODS FOR OBJECT DETECTION BY RADIO FREQUENCY SYSTEMS
- Publication number 20240012124
- Publication date Jan 11, 2024
- Apple Inc.
- Berke Cetinoneri
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS AND METHODS FOR OBJECT DETECTION BY RADIO FREQUENCY SYSTEMS
- Publication number 20220091247
- Publication date Mar 24, 2022
- Apple Inc.
- Berke Cetinoneri
- G01 - MEASURING TESTING
Information Patent Application
RADIO FREQUENCY REMOTE HEAD FRONT-END CIRCUITRY SYSTEMS AND METHODS
- Publication number 20210050658
- Publication date Feb 18, 2021
- Apple Inc.
- Berke Cetinoneri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS AND METHODS FOR OBJECT DETECTION BY RADIO FREQUENCY SYSTEMS
- Publication number 20200300996
- Publication date Sep 24, 2020
- Apple Inc.
- Berke Cetinoneri
- G01 - MEASURING TESTING
Information Patent Application
RADIO FREQUENCY REMOTE HEAD FRONT-END CIRCUITRY SYSTEMS AND METHODS
- Publication number 20200220256
- Publication date Jul 9, 2020
- Apple Inc.
- Berke Cetinoneri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RADIO FREQUENCY REMOTE HEAD FRONT-END CIRCUITRY SYSTEMS AND METHODS
- Publication number 20200220255
- Publication date Jul 9, 2020
- Apple Inc.
- Berke Cetinoneri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RADIO FREQUENCY FRONT-END CIRCUITRY INTERMEDIATE DRIVER SYSTEMS AND...
- Publication number 20200106470
- Publication date Apr 2, 2020
- Apple Inc.
- Berke Cetinoneri
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Electronic Devices Having Antenna Module Isolation Structures
- Publication number 20200106185
- Publication date Apr 2, 2020
- Apple Inc.
- Simone Paulotto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS AND METHODS FOR COMPRESSION DISTORTION COMPENSATION FOR WIR...
- Publication number 20200092153
- Publication date Mar 19, 2020
- Apple Inc.
- Ioannis Sarkas
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHODS AND APPARATUS FOR RADIO CO-EXISTENCE TESTING AND VERIFICATI...
- Publication number 20150126132
- Publication date May 7, 2015
- Apple Inc.
- Gary Chung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods for Testing Wireless Electronic Devices Using Automatic Sel...
- Publication number 20130197850
- Publication date Aug 1, 2013
- Qishan Yu
- G01 - MEASURING TESTING
Information Patent Application
Wireless communications circuitry with a triplexer for separating r...
- Publication number 20130157717
- Publication date Jun 20, 2013
- Apple Inc.
- Qishan Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and methods for performing antenna transmit diversity
- Publication number 20130149975
- Publication date Jun 13, 2013
- Apple Inc.
- Qishan Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SHIELDING STRUCTURES FOR WIRELESS ELECTRONIC DEVICES WITH DISPLAYS
- Publication number 20120087065
- Publication date Apr 12, 2012
- Moon Kim
- G06 - COMPUTING CALCULATING COUNTING

Person

Patents Grantslast 30 patents

Radio frequency remote head front-end circuitry systems and methods

Systems and methods for object detection by radio frequency systems

Systems and methods for object detection by radio frequency systems

Radio frequency front-end circuitry intermediate driver systems and...

Electronic devices having antenna module isolation structures

Systems and methods for coarse scan beamforming using subarrays

Radio frequency remote head front-end circuitry systems and methods

Radio frequency remote head front-end circuitry systems and methods

Radio-frequency integrated circuit (RFIC) external front-end module

Systems and methods for compression distortion compensation for wir...

Radio frequency front-end circuitry intermediate driver systems and...

System and methods for performing antenna transmit diversity

Methods for testing wireless electronic devices using automatic sel...

Wireless communications circuitry with a triplexer for separating r...

Shielding structures for wireless electronic devices with displays

Patents Applicationslast 30 patents

Radio Frequency Remote Head Front-End Circuitry Systems and Methods

Wireless Circuitry with Multiple Envelope Tracking Circuits

SYSTEMS AND METHODS FOR OBJECT DETECTION BY RADIO FREQUENCY SYSTEMS

SYSTEMS AND METHODS FOR OBJECT DETECTION BY RADIO FREQUENCY SYSTEMS

RADIO FREQUENCY REMOTE HEAD FRONT-END CIRCUITRY SYSTEMS AND METHODS

SYSTEMS AND METHODS FOR OBJECT DETECTION BY RADIO FREQUENCY SYSTEMS

RADIO FREQUENCY REMOTE HEAD FRONT-END CIRCUITRY SYSTEMS AND METHODS

RADIO FREQUENCY REMOTE HEAD FRONT-END CIRCUITRY SYSTEMS AND METHODS

RADIO FREQUENCY FRONT-END CIRCUITRY INTERMEDIATE DRIVER SYSTEMS AND...

Electronic Devices Having Antenna Module Isolation Structures

SYSTEMS AND METHODS FOR COMPRESSION DISTORTION COMPENSATION FOR WIR...

METHODS AND APPARATUS FOR RADIO CO-EXISTENCE TESTING AND VERIFICATI...

Methods for Testing Wireless Electronic Devices Using Automatic Sel...

Wireless communications circuitry with a triplexer for separating r...

System and methods for performing antenna transmit diversity

SHIELDING STRUCTURES FOR WIRELESS ELECTRONIC DEVICES WITH DISPLAYS