Average Co-Inventor Count = 3.20
ph-index = 4
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. Murata Kikai Kabushiki Kaisha (4 from 903 patents)
2. Kondo Cotton Spinning Co., Ltd. (1 from 2 patents)
4 patents:
1. 5381340 - Quality control system in a spinning mill
2. 5289983 - Production control system in spinning mill
3. 5257897 - Can conveying system
4. 5222856 - Can conveying system