Chang XIAO

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Patents Grantslast 30 patents

Information Patent Grant
Trackpad on back portion of a device
- Patent number 11,886,673
- Issue date Jan 30, 2024
- Snap Inc.
- Shree K. Nayar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Trackpad on back portion of a device
- Patent number 11,550,435
- Issue date Jan 10, 2023
- Snap Inc.
- Shree K. Nayar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Vibrational input elements
- Patent number 11,126,266
- Issue date Sep 21, 2021
- Snap Inc.
- Chang Xiao
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Systems and methods for steganography based on text fonts
- Patent number 10,755,375
- Issue date Aug 25, 2020
- Changxi Zheng
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
TRACKPAD ON BACK PORTION OF A DEVICE
- Publication number 20230103517
- Publication date Apr 6, 2023
- Snap Inc.
- Shree K. Nayar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VIBRATIONAL INPUT ELEMENTS
- Publication number 20220004260
- Publication date Jan 6, 2022
- Snap Inc.
- Chang Xiao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TRACKPAD ON BACK PORTION OF A DEVICE
- Publication number 20210357075
- Publication date Nov 18, 2021
- Snap Inc.
- Shree K. Nayar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR STEGANOGRAPHY BASED ON TEXT FONTS
- Publication number 20180247386
- Publication date Aug 30, 2018
- THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
- Changxi ZHENG
- G06 - COMPUTING CALCULATING COUNTING