Average Co-Inventor Count = 3.43
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. Honda Motor Co., Ltd. (3 from 21,893 patents)
2. Hitachi, Ltd. (2 from 42,496 patents)
3 patents:
1. 9016797 - Seat device for use in a vehicle
2. 7449997 - Auto light system
3. 7415338 - Apparatus for controlling auxiliary equipment of vehicle