Average Co-Inventor Count = 4.00
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 Watch Company, Ltd. (1 from 2,004 patents)
1 patent:
1. 6270914 - Surface-hardened titanium material, surface hardening method of titanium material, watchcase decoration article, and decoration article