Average Co-Inventor Count = 5.46
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. Tachi-s Co., Ltd. (2 from 576 patents)
2 patents:
1. 11072268 - Head-rest of a car seat
2. 10239428 - Vehicle seat