Average Co-Inventor Count = 1.71
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 13,402 patents)
2. Ohi Seisakusho Co., Ltd. (1 from 242 patents)
3 patents:
1. 4953910 - Openable roof control device of wheeled motor vehicle
2. D295899 - Automobile rear combination lamp
3. D293095 - Automobile radiator grill