Average Co-Inventor Count = 3.83
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. Ushio Denki Kabushiki Kaisha (3 from 824 patents)
3 patents:
1. 9159545 - Excimer lamp
2. 8264133 - Incandescence lamp with a reinforcement rib
3. 6396029 - Heat roller