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. (1 from 929 patents)
2. Sumitomo Sitix Corporation (1 from 40 patents)
2 patents:
1. 6074479 - Silicon single crystal wafer annealing method and equipment, and silicon
2. 5931662 - Silicon single crystal wafer annealing method and equipment and silicon