Average Co-Inventor Count = 1.00
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. Nippon Rubber Co., Ltd. (4 from 30 patents)
4 patents:
1. D255286 - Sole
2. D255178 - Sole
3. D255176 - Sole
4. D255177 - Sole