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. Bridgestone Tire Company Limited (2 from 504 patents)
2 patents:
1. 4029222 - Apparatus for loading sheet material on a plurality of shelves on a book
2. 3986476 - Apparatus for coating a liquid on opposite sides of a flexible sheet