Average Co-Inventor Count = 3.43
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. Satake Engineering Co., Ltd. (2 from 66 patents)
2 patents:
1. 4295420 - Automatic control system for hulling machine
2. 4066012 - Roll type huller