Average Co-Inventor Count = 2.67
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. Sankyo Chemical Co., Ltd. (2 from 3 patents)
2 patents:
1. 5198064 - Process for preparing a permeable adhesive tape
2. 4789413 - Process for preparing a gas permeable adhesive tape