Yawei Ma

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Double-folded flexible printed circuit board for slider-type mobile...
- Patent number 8,688,177
- Issue date Apr 1, 2014
- Sony Corporation
- Yawei Ma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Rotational hinge
- Patent number 8,484,803
- Issue date Jul 16, 2013
- Sony Corporation
- Yawei Ma
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Keyboard and display screen in separate housings connected by cam a...
- Patent number 8,149,581
- Issue date Apr 3, 2012
- Sony Ericssom Mobile Communications AB
- Yawei Ma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mobile device shutter door
- Patent number 8,072,741
- Issue date Dec 6, 2011
- Sony Ericsson Mobile Communications AB
- Yawei Ma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DOUBLE-FOLDED FLEXIBLE PRINTED CIRCUIT BOARD FOR SLIDER DEVICES
- Publication number 20120157171
- Publication date Jun 21, 2012
- SONY MOBILE COMMUNICATIONS AB
- Yawei Ma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ROTATIONAL HINGE
- Publication number 20120047685
- Publication date Mar 1, 2012
- Sony Ericsson Mobile Communications AB
- Yawei Ma
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
DOUBLE SLIDING MECHANISM FOR USER DEVICES
- Publication number 20110164352
- Publication date Jul 7, 2011
- Sony Ericsson Mobile Communications AB
- Yawei Ma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
KEYBOARD AND DISPLAY SCREEN IN SEPARATE HOUSINGS CONNECTED BY CAM A...
- Publication number 20110149484
- Publication date Jun 23, 2011
- Sony Ericsson Mobile Communications AB
- Yawei Ma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MOBILE DEVICE SHUTTER DOOR
- Publication number 20110096471
- Publication date Apr 28, 2011
- Sony Ericsson Mobile Communications AB
- Yawei Ma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE