Average Co-Inventor Count = 5.14
ph-index = 1
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. (3 from 1,233 patents)
2. Kurabe Industrial Co., Ltd. (1 from 22 patents)
3 patents:
1. 9174558 - Seat operating device and vehicle seat
2. 9027442 - Multi-shaft drive device
3. 8523279 - Vehicle seat assembly and heater unit to be used therefor