Average Co-Inventor Count = 8.00
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. Nakashima Propeller Co., Ltd. (1 from 4 patents)
2. Ikegami, Hiroyasu (0 patent)
1 patent:
1. 8100980 - Artificial elbow joint