Average Co-Inventor Count = 3.60
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. Idemitsu Petrochemical Co., Ltd. (3 from 555 patents)
3 patents:
1. 5597428 - Method of sealing containers
2. 5167900 - Method of producing an easily openable multilayer plastic container
3. 5165974 - Multilayer plastics containers and methods of producing the same