Average Co-Inventor Count = 5.00
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. Kabushiki Kaisha Alpha Giken (1 from 8 patents)
2. Osaka Yuki Kagako Kogyo Kabushiki Kaisha (1 from 1 patent)
1 patent:
1. 5147959 - Optical resin articles