Average Co-Inventor Count = 4.29
ph-index = 4
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. Roger Cleveland Golf Company, Inc. (4 from 107 patents)
4 patents:
1. D432609 - Iron-type golf club head
2. D424643 - Iron-type golf club head
3. D415230 - Iron-type golf club head
4. D399548 - Iron-type golf club head