Average Co-Inventor Count = 2.31
ph-index = 4
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 Corporation (3 from 2,433 patents)
2. Nippon Seiko Kabushiki Kaisha (2 from 355 patents)
5 patents:
1. 6412875 - Seatbelt system
2. 6340209 - Vehicle body acceleration sensor for seat belts
3. 6254191 - Seatbelt retractor
4. 5044665 - Passive seat belt system
5. 5016916 - Mechanism for adjusting the position of shoulder anchor