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. Fuji Seiki Machine Works, Ltd. (2 from 30 patents)
2 patents:
1. 4917708 - Deburring and cleaning apparatus with multi-station rotary drum and
2. 4674238 - Lead frame handling apparatus for blasting machine