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. Nissan Motor Company Limited (3 from 13,398 patents)
2. Ohi Seisakusho Co., Ltd. (1 from 242 patents)
3 patents:
1. 4953910 - Openable roof control device of wheeled motor vehicle
2. 4410201 - Rigid axle rear suspension for an automotive vehicle or the like
3. 4341397 - Stabilizing device for a suspension of an automotive vehicle