Average Co-Inventor Count = 7.00
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. Nippon Steel Corporation (1 from 3,554 patents)
2. Asahi Kasei Kogyo Kabushiki Kaisha (1 from 1,297 patents)
3. Fourteen Co., Ltd (1 from 1 patent)
1 patent:
1. 6099414 - Golf club head and method for producing the same