Average Co-Inventor Count = 3.27
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. Kabushiki Kaisha Kobe Seiko Sho (2 from 1,100 patents)
2. Kobe Steel, Ltd. (1 from 1,887 patents)
3 patents:
1. 7150792 - Film deposition system and film deposition method using the same
2. 5404017 - Ion implantation apparatus
3. 5269896 - Cathodic arc deposition system