Average Co-Inventor Count = 2.00
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. Yangtze Railroad Materials (5 from 6 patents)
5 patents:
1. 10697129 - Hot forged tie plate for railroad
2. 10273636 - Hot forged tie plate for railroad
3. D804991 - Hot forged tie plate for railroad
4. D804352 - Hot forged tie plate for railroad
5. D794506 - Hot forged tie plate for railroad