Average Co-Inventor Count = 3.00
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. Toyota Boshoku Kabushiki Kaisha (4 from 1,250 patents)
2. Toyota Jidosha Kabushiki Kaisha (1 from 36,546 patents)
3. Aisin Seiki Kabushiki Kaisha (1 from 5,207 patents)
4. Nhk Spring Co., Ltd. (1 from 1,232 patents)
4 patents:
1. 8931850 - Seat back frame
2. 8439443 - Vehicle seat
3. 7866754 - Headrests for vehicle seats
4. 7740319 - Headrests for vehicle seats