Average Co-Inventor Count = 7.00
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. Toyo Boseki Kabushiki Kaisha T/a Toyobo Co., Ltd. (1 from 2 patents)
2. Nippon Magphane Kabushiki Kaisha (1 from 2 patents)
1 patent:
1. 4595715 - Oriented polyester film containing calcium carbonate and kaolinite