Average Co-Inventor Count = 2.00
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. (1 from 450 patents)
2. Citizen Watch Company, Ltd. (2,003 patents)
1 patent:
1. 8059053 - Antenna and radio-wave receiving device provided with antenna