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Chao Chen
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Waterloo, Ontario, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Asset tracking device
Patent number
D838203
Issue date
Jan 15, 2019
BlackBerry Limited
Cortez Corley
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Method of forming a keypad assembly
Patent number
9,823,754
Issue date
Nov 21, 2017
BlackBerry Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dome-shaped assembly and handheld electronic device including dome-...
Patent number
9,711,303
Issue date
Jul 18, 2017
BlackBerry Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus pertaining to keycap light guides
Patent number
9,601,285
Issue date
Mar 21, 2017
BlackBerry Limited
Xiaofeng Li
G02 - OPTICS
Information
Patent Grant
Double pre-loaded deflection webs for keypad
Patent number
9,323,344
Issue date
Apr 26, 2016
BlackBerry Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Backlighting assembly for a keypad
Patent number
9,263,209
Issue date
Feb 16, 2016
BlackBerry Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Key assembly for a handheld electronic device having a one-piece ke...
Patent number
9,208,970
Issue date
Dec 8, 2015
BlackBerry Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Latch mechanism for portable electronic device
Patent number
9,161,472
Issue date
Oct 13, 2015
BlackBerry Limited
Chao Chen
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Double pre-loaded deflection webs for keypad
Patent number
9,086,734
Issue date
Jul 21, 2015
BlackBerry Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Backlighting assembly for a keypad
Patent number
9,082,566
Issue date
Jul 14, 2015
BlackBerry Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus pertaining to keypad frets
Patent number
9,082,567
Issue date
Jul 14, 2015
BlackBerry Limited
Chao Chen
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Keypads for mobile devices and method of manufacturing the same
Patent number
9,075,576
Issue date
Jul 7, 2015
BlackBerry Limited
Chao Chen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
System and frame for mounting a device above a printed circuit boar...
Patent number
9,052,870
Issue date
Jun 9, 2015
BlackBerry Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Keyboard with flexible printed circuit defining a plurality of vent...
Patent number
8,926,201
Issue date
Jan 6, 2015
BlackBerry Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method pertaining to a key assembly having a plinth-r...
Patent number
8,921,720
Issue date
Dec 30, 2014
BlackBerry Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Handheld computing device having drop-resistant LCD display
Patent number
8,902,576
Issue date
Dec 2, 2014
BlackBerry Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Keypad for a wireless device
Patent number
8,836,546
Issue date
Sep 16, 2014
BlackBerry Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical navigation module with alignment features
Patent number
8,823,638
Issue date
Sep 2, 2014
BlackBerry Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cover for a frame for a device mounted above a printed circuit boar...
Patent number
8,824,152
Issue date
Sep 2, 2014
BlackBerry Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Navigation tool holder
Patent number
8,744,535
Issue date
Jun 3, 2014
BlackBerry Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Keypad with water and dust protection
Patent number
8,743,535
Issue date
Jun 3, 2014
BlackBerry Limited
Dietmar Frank Wennemer
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key assembly for a handheld electronic device having a one-piece ke...
Patent number
8,723,062
Issue date
May 13, 2014
BlackBerry Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Push to release cover for a portable electronic device
Patent number
8,711,559
Issue date
Apr 29, 2014
BlackBerry Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication device with receiver speaker
Patent number
8,699,963
Issue date
Apr 15, 2014
BlackBerry Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Backlighting apparatus for a keypad assembly
Patent number
8,658,925
Issue date
Feb 25, 2014
BlackBerry Limited
Chao Chen
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Handheld electronic device including multi-compartment shielding co...
Patent number
8,644,033
Issue date
Feb 4, 2014
BlackBerry Limited
Chao Chen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Charging cradle
Patent number
8,610,403
Issue date
Dec 17, 2013
BlackBerry Limited
Chao Chen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Key assembly
Patent number
8,598,474
Issue date
Dec 3, 2013
BlackBerry Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Gasket and display assembly for an electronic mobile device
Patent number
8,508,927
Issue date
Aug 13, 2013
Research in Motion Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sealed dome switch for mobile electronic device
Patent number
8,507,820
Issue date
Aug 13, 2013
Research in Motion Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
DOUBLE PRE-LOADED DEFLECTION WEBS FOR KEYPAD
Publication number
20150286287
Publication date
Oct 8, 2015
BlackBerry Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
BACKLIGHTING ASSEMBLY FOR A KEYPAD
Publication number
20150270079
Publication date
Sep 24, 2015
BlackBerry Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DOUBLE PRE-LOADED DEFLECTION WEBS FOR KEYPAD
Publication number
20150049024
Publication date
Feb 19, 2015
BlackBerry Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DOUBLE PRE-LOADED DEFLECTION WEBS FOR KEYPAD
Publication number
20150049025
Publication date
Feb 19, 2015
BlackBerry Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DOME-SHAPED ASSEMBLY AND HANDHELD ELECTRONIC DEVICE INCLUDING DOME-...
Publication number
20150001058
Publication date
Jan 1, 2015
Research in Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEM AND FRAME FOR MOUNTING A DEVICE ABOVE A PRINTED CIRCUIT BOAR...
Publication number
20140340824
Publication date
Nov 20, 2014
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEY ASSEMBLY FOR A HANDHELD ELECTRONIC DEVICE HAVING A ONE-PIECE KE...
Publication number
20140202839
Publication date
Jul 24, 2014
BlackBerry Limited
Chao CHEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and Apparatus Pertaining to Keypad Frets
Publication number
20140131181
Publication date
May 15, 2014
Research in Motion Limited
Chao CHEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and Apparatus Pertaining to Keycap Light Guides
Publication number
20140133127
Publication date
May 15, 2014
Research in Motion Limited
Xiaofeng LI
G02 - OPTICS
Information
Patent Application
BACKLIGHTING APPARATUS FOR A KEYPAD ASSEMBLY
Publication number
20130233688
Publication date
Sep 12, 2013
Research in Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Latch Mechanism For Portable Electronic Device
Publication number
20130194738
Publication date
Aug 1, 2013
Research in Motion Limited
Chao CHEN
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Mobile Communication Device with Receiver Speaker
Publication number
20130078930
Publication date
Mar 28, 2013
Research in Motion Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HANDHELD COMPUTING DEVICE HAVING DROP-RESISTANT LCD DISPLAY
Publication number
20120287568
Publication date
Nov 15, 2012
Research In Motion Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEYPAD HAVING A CURVED SHAPE
Publication number
20120274485
Publication date
Nov 1, 2012
Research in Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Apparatus and Method Pertaining to a Key Assembly Having a Plinth-R...
Publication number
20120267227
Publication date
Oct 25, 2012
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COVER FOR A FRAME FOR A DEVICE MOUNTED ABOVE A PRINTED CIRCUIT BOAR...
Publication number
20120268903
Publication date
Oct 25, 2012
Research In Motion Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEY ASSEMBLY FOR AN ELECTRONIC DEVICE HAVING A MULTI-CHARACTER KEYCAP
Publication number
20120255847
Publication date
Oct 11, 2012
Research in Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
System and Method for Keypad Light Guide Optical Features and Coatings
Publication number
20120241297
Publication date
Sep 27, 2012
Research In Motion Limited
Steven A. Prsa
G02 - OPTICS
Information
Patent Application
KEYPAD HAVING A METAL GRID FOR USE WITH A PORTABLE ELECTRONIC DEVICE
Publication number
20120206361
Publication date
Aug 16, 2012
Research in Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL NAVIGATION MODULE WITH ALIGNMENT FEATURES
Publication number
20120206329
Publication date
Aug 16, 2012
Research in Motion Limited
Chao CHEN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMBINING PRINTED CIRCUIT BOARDS
Publication number
20120170230
Publication date
Jul 5, 2012
Research in Motion Limited
Chao Chen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Charging Cradle
Publication number
20120133328
Publication date
May 31, 2012
Research in Motion Limited
Chao Chen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
KEYBOARD
Publication number
20120112933
Publication date
May 10, 2012
Research in Motion Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
NAVIGATION TOOL HOLDER
Publication number
20120106092
Publication date
May 3, 2012
Research in Motion Limited
Chao Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LATCH MECHANISM FOR PORTABLE ELECTRONIC DEVICE
Publication number
20120106035
Publication date
May 3, 2012
Research in Motion Limited
Chao CHEN
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
PUSH TO RELEASE COVER FOR A PORTABLE ELECTRONIC DEVICE
Publication number
20120099258
Publication date
Apr 26, 2012
Research in Motion Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
BACKLIGHTING APPARATUS FOR A KEYPAD ASSEMBLY
Publication number
20120073941
Publication date
Mar 29, 2012
Research in Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GASKET AND DISPLAY ASSEMBLY FOR AN ELECTRONIC MOBILE DEVICE
Publication number
20120075809
Publication date
Mar 29, 2012
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SEALED DOME SWITCH FOR MOBILE ELECTRONIC DEVICE
Publication number
20120067712
Publication date
Mar 22, 2012
Research in Motion Limited
Chao CHEN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
BACKLIGHTING ASSEMBLY FOR A KEYPAD
Publication number
20120055770
Publication date
Mar 8, 2012
Research in Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS