Average Co-Inventor Count = 4.00
ph-index = 2
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. 7813712 - Electronic device having metal outer case and antenna therein
2. 7321337 - Electronic device having metal package unit having built-in antenna unit