Average Co-Inventor Count = 5.00
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. Gunze Limited (2 from 157 patents)
2. Other (1 from 832,761 patents)
2 patents:
1. 5275602 - Bone-joining articles
2. 5116552 - Process for preparation of dried collagen sponge