Average Co-Inventor Count = 4.00
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. Honda Motor Co., Ltd. (1 from 21,963 patents)
2. Tanaka Seimitsu Kogyo Co., Ltd. (1 from 11 patents)
1 patent:
1. 7228836 - Spring retainer and method for manufacturing the same