Average Co-Inventor Count = 2.67
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. Nhk Spring Co., Ltd. (2 from 1,233 patents)
2 patents:
1. 10414293 - Vehicle seat
2. 10259347 - Vehicle seat device