Average Co-Inventor Count = 4.09
ph-index = 3
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. The Yokohama Rubber Co., Ltd. (3 from 2,767 patents)
3 patents:
1. 6599983 - Golf ball, golf ball cover material composition and method of manufacturing the composition
2. 6290613 - Golf ball, golf ball cover material composition and method of manufacturing the composition
3. 6114453 - Covering material composition for golf ball and process for producing