Average Co-Inventor Count = 2.40
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Citizen Holdings Company, Ltd. (3 from 450 patents)
3 patents:
1. 8432419 - Driving apparatus for liquid crystal light modulator and variable optical attenuator employing driving apparatus
2. 8274637 - Liquid crystal panel having an opening in transparent conductive layer for venting gas
3. 7336250 - Method and apparatus for driving liquid-crystal optical-modulation device