Average Co-Inventor Count = 1.75
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. Kinugawa Rubber Ind. Co., Ltd. (2 from 40 patents)
2. Nissan Motor Company Limited (1 from 13,402 patents)
3. The Keeper Co., Inc. (1 from 15 patents)
2 patents:
1. 5261748 - Structure for bushing
2. 5085444 - Dust seal for sliding type bush