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. Toyota Jidosha Kabushiki Kaisha (1 from 36,653 patents)
2. Nippon Zeon Company, Ltd. (1 from 598 patents)
3. Zeon Kasei Co., Ltd. (1 from 11 patents)
1 patent:
1. 5464892 - Vinyl chloride resin composition for powder material