Average Co-Inventor Count = 2.67
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. Nitto Electric Industrial Co., Ltd. (2 from 172 patents)
2 patents:
1. 4576990 - Water-soluble insulating varnish
2. 4007146 - Aqueous insulating varnishes