Average Co-Inventor Count = 3.20
ph-index = 3
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. Toyota Jidosha Kabushiki Kaisha (4 from 36,499 patents)
2. Aisin Seiki Kabushiki Kaisha (1 from 5,207 patents)
4 patents:
1. 4634945 - Apparatus for automatically opening and closing an opening covering
2. 4597587 - Seatbelt system
3. 4585251 - Seatbelt system
4. 4580812 - Seatbelt system