Average Co-Inventor Count = 3.00
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. Iwatsu Electric Company Ltd. (2 from 190 patents)
2 patents:
1. 6067907 - Fixing device for wet type master sheet making apparatus for making
2. 5970872 - Fixing apparatus for a wet-type plate making machine