Average Co-Inventor Count = 2.00
ph-index = 1
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. Mitsui Toatsu Chemicals, Incorporated (2 from 1,379 patents)
2 patents:
1. 5478405 - Method and apparatus for cleaning cylindrical outer surface of a disk
2. 5375285 - Apparatus for cleaning cylindrical outer surface of a disk