Yongcai Wang

Follow

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method, device and system for calibrating positioning device
- Patent number 8,694,275
- Issue date Apr 8, 2014
- NEC (China) Co., Ltd.
- Yongcai Wang
- G01 - MEASURING TESTING
Information Patent Grant
Method, device and system for calibrating positioning device
- Patent number 8,649,991
- Issue date Feb 11, 2014
- NEC (China) Co., Ltd.
- Yongcai Wang
Information Patent Grant
Multi-objects positioning system and power-control based multiple a...
- Patent number 8,548,490
- Issue date Oct 1, 2013
- NEC (China) Co., Ltd.
- Yongcai Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, device and system for calibrating positioning device
- Patent number 8,306,769
- Issue date Nov 6, 2012
- NEC (China) Co., Ltd.
- Yongcai Wang
- G01 - MEASURING TESTING
Information Patent Grant
Autonomous ultrasonic indoor location system, apparatus and method
- Patent number 8,203,910
- Issue date Jun 19, 2012
- NEC (China) Co., Ltd.
- Junhui Zhao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD, DEVICE AND SYSTEM FOR CALIBRATING POSITIONING DEVICE
- Publication number 20120290256
- Publication date Nov 15, 2012
- NEC (China) CO. LTD.
- Yongcai WANG
- G01 - MEASURING TESTING
Information Patent Application
METHOD, DEVICE AND SYSTEM FOR CALIBRATING POSITIONING DEVICE
- Publication number 20100185408
- Publication date Jul 22, 2010
- NEC (CHINA) CO., LTD.
- Yongcai WANG
- G01 - MEASURING TESTING
Information Patent Application
MULTI-OBJECTS POSITIONING SYSTEM AND POWER-CONTROL BASED MULTIPLE A...
- Publication number 20100109849
- Publication date May 6, 2010
- NEC (China)Co., Ltd.
- Yongcai Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND SYSTEM FOR POSITIONING OBJECT WITH ADAPTIVE RESOLUTION
- Publication number 20100090899
- Publication date Apr 15, 2010
- NEC (CHINA) CO., LTD.
- Junhui ZHAO
- G01 - MEASURING TESTING
Information Patent Application
AUTONOMOUS ULTRASONIC INDOOR LOCATION SYSTEM, APPARATUS AND METHOD
- Publication number 20090295639
- Publication date Dec 3, 2009
- NEC (CHINA) CO., LTD.
- Junhui ZHAO
- G01 - MEASURING TESTING
Information Patent Application
AUTONOMOUS ULTRASONIC INDOOR TRACKING SYSTEM
- Publication number 20090190441
- Publication date Jul 30, 2009
- NEC (CHINA) CO., LTD.
- Junhui ZHAO
- G01 - MEASURING TESTING