Average Co-Inventor Count = 4.50
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. Nhk Spring Co., Ltd. (3 from 1,232 patents)
3 patents:
1. 11634048 - Vehicle seat
2. 11485261 - Columnar body, seat frame, and vehicle seat
3. 10829008 - Vehicle seat