Average Co-Inventor Count = 1.00
ph-index = 3
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. Tokai Shoji Co., Ltd (3 from 10 patents)
3 patents:
1. 4668329 - Method and an apparatus for applying an emulsion onto a screen-printing
2. 4599248 - Method for applying emulsion onto screen printing plate
3. 4509455 - Apparatus for applying emulsion onto screen printing plate