Average Co-Inventor Count = 5.46
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. Yamato Scale Company, Limited (2 from 198 patents)
2. Nishiyama Corporation (2 from 5 patents)
3. Japan Wind Tunnel Manufacturing Inc. (2 from 4 patents)
2 patents:
1. D1092264 - Wind tunnel portion
2. D1034251 - Wind tunnel portion