Average Co-Inventor Count = 3.00
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. Sumitomo Metal Industries, Inc. (2 from 929 patents)
2 patents:
1. 5794607 - Process for producing heat sink having good heat dissipating
2. 5726495 - Heat sink having good heat dissipating characteristics