Average Co-Inventor Count = 2.00
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. Precision Fukuhara Works, Ltd. (2 from 73 patents)
2 patents:
1. 5373711 - Apparatus for cleaning the dust collector/remover filter
2. 5333354 - Device for collecting dust as fiber waste and the like on creel stand