Average Co-Inventor Count = 2.40
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. Tokai Chemical Industries, Ltd. (4 from 31 patents)
2. Toyota Boshoku Kabushiki Kaisha (2 from 1,250 patents)
3. Sumitomo Riko Company Limited (1 from 338 patents)
4. Rebirth Co., Ltd. (1 from 2 patents)
4 patents:
1. D1018173 - Headrest
2. 10150394 - Headrest and seat including the same
3. 9640337 - Vehicle window switch mounted within a door recess
4. 8480177 - Armrest device