Average Co-Inventor Count = 4.09
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. Kao Corporation (3 from 3,603 patents)
3 patents:
1. 5489469 - Absorbent composite
2. 5476112 - Method and apparatus for cleaning shutter members
3. 5436032 - Method for treating liner material for magnetic recording medium