Quan-Wen Du

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ChengDu, Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for tracking a plurality of communication devices
- Patent number 10,149,110
- Issue date Dec 4, 2018
- MOTOROLA SOLUTIONS, INC.
- Lan-Jian Cao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for incident situation prediction
- Patent number 10,083,359
- Issue date Sep 25, 2018
- MOTOROLA SOLUTIONS, INC.
- Yong Huang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and device for reusing channel frequencies in direct mode
- Patent number 9,967,908
- Issue date May 8, 2018
- MOTOROLA SOLUTIONS, INC.
- Quan-Wen Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for retrieving group messages
- Patent number 9,843,906
- Issue date Dec 12, 2017
- MOTOROLA SOLUTIONS, INC.
- Quan-Wen Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for incorporating multiple talk groups in a si...
- Patent number 9,654,939
- Issue date May 16, 2017
- MOTOROLA SOLUTIONS, INC.
- Quan-Wen Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR TRACKING A PLURALITY OF COMMUNICATION DEVICES
- Publication number 20180295475
- Publication date Oct 11, 2018
- MOTOROLA SOLUTIONS, INC
- Lan-Jian CAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR INCIDENT SITUATION PREDICTION
- Publication number 20180204066
- Publication date Jul 19, 2018
- MOTOROLA SOLUTIONS, INC
- Yong HUANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS AND METHOD FOR INCORPORATING MULTIPLE TALK GROUPS IN A SI...
- Publication number 20160286364
- Publication date Sep 29, 2016
- MOTOROLA SOLUTIONS, INC.
- QUAN-WEN DU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AN APPARATUS AND METHOD FOR RETRIEVING GROUP MESSAGES
- Publication number 20160183065
- Publication date Jun 23, 2016
- MOTOROLA SOLUTIONS, INC.
- Quan-Wen DU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR REUSING CHANNEL FREQUENCIES IN DIRECT MODE
- Publication number 20160150579
- Publication date May 26, 2016
- MOTOROLA SOLOUTIONS, INC.
- Quan-Wen Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE