Average Co-Inventor Count = 4.00
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. Nsk-warner K.k. (2 from 363 patents)
2 patents:
1. 4232433 - Seat belt buckle device
2. 4195392 - Seat belt buckle device