Novatek Milestones

Novatek site confirms the internal image sensor design efforts and mentions a number of image sensor accomplishments over 2011-13 years:

Oct 2013:
Introduce Novatek's 1/4" VGA CMOS Sensor with CVBS output
Introduce Novatek's first 1/7" HD CMOS Sensor with MIPI Interface
Sep 2011:
Introduce Novatek's first HD CMOS sensor
Feb 2011:
Introduce Novatek's first CMOS sensor in 1.75um cell size technology

All these sensors are not mentioned among the current products, and their status is unknown.