Average Co-Inventor Count = 3.75
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. Nissin Electric Co., Ltd. (2 from 173 patents)
2 patents:
1. 6656592 - Carbon film and method of forming the same
2. 6652969 - Carbon film method for formation thereof and article covered with carbon film and method for preparation thereof