Average Co-Inventor Count = 4.00
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. Tosoh Corporation (1 from 893 patents)
2. Nippon Polyurethane Industry Co., Ltd. (1 from 35 patents)
3. Nippon Polurethane Industry Co., Ltd. (1 from 1 patent)
2 patents:
1. 5171788 - Internal-finishing skin material
2. 5102953 - Non-tacky composite resin composition and process for the preparation