I-Ming TSAI

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Patents Grantslast 30 patents

Information Patent Grant
Indoor positioning systems and wireless fingerprints
- Patent number 10,419,874
- Issue date Sep 17, 2019
- BlackBerry Limited
- I-Ming Tsai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Indoor positioning systems and meeting room occupancy
- Patent number 9,955,316
- Issue date Apr 24, 2018
- BlackBerry Limited
- Krishnam Raju Jampani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Indoor positioning systems and meeting room occupancy
- Patent number 9,860,707
- Issue date Jan 2, 2018
- BlackBerry Limited
- Krishnam Raju Jampani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Indoor positioning systems and wireless fingerprints
- Patent number 9,301,100
- Issue date Mar 29, 2016
- BlackBerry Limited
- Krishnam Raju Jampani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Augmenting location data at a mobile device
- Patent number 9,164,161
- Issue date Oct 20, 2015
- BlackBerry Limited
- Bruce Allen Bernhardt
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
INDOOR POSITIONING SYSTEMS AND MEETING ROOM OCCUPANCY
- Publication number 20170223511
- Publication date Aug 3, 2017
- BlackBerry Limited
- Krishnam Raju JAMPANI
- G01 - MEASURING TESTING
Information Patent Application
INDOOR POSITIONING SYSTEMS AND MEETING ROOM OCCUPANCY
- Publication number 20170026806
- Publication date Jan 26, 2017
- BlackBerry Limited
- Krishnam Raju JAMPANI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INDOOR POSITIONING SYSTEMS AND WIRELESS FINGERPRINTS
- Publication number 20170026804
- Publication date Jan 26, 2017
- BlackBerry Limited
- I-Ming TSAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUGMENTING LOCATION DATA AT A MOBILE DEVICE
- Publication number 20140218241
- Publication date Aug 7, 2014
- Research in Motion Limited
- Bruce Allen BERNHARDT
- G01 - MEASURING TESTING