Average Co-Inventor Count = 1.50
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. Nippon Itf, Inc (1 from 11 patents)
2 patents:
1. 12142504 - Substrate holding device
2. 6998034 - Vacuum arc deposition apparatus