Average Co-Inventor Count = 1.77
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. Nhk Spring Co., Ltd. (7 from 1,233 patents)
2. Toray Industries, Inc. (1 from 3,477 patents)
7 patents:
1. 9783091 - Seatback frame and resin for employing in a seatback frame
2. 9718385 - Vehicle seat
3. 9610871 - Vehicle seat
4. 9586508 - Vehicle seat
5. 9126517 - Vehicle seat
6. 8985696 - Vehicle seat
7. 8936310 - Headrest and vehicle seat provided with the same