Average Co-Inventor Count = 1.67
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. (2 from 450 patents)
2 patents:
1. 9304358 - Liquid crystal device and method of manufacturing liquid crystal device
2. 8466906 - Optical modulation apparatus