Average Co-Inventor Count = 7.20
ph-index = 3
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. Toppan Printing Co., Ltd. (3 from 1,268 patents)
3 patents:
1. 5405880 - Polyolefinic composition having oxygen barrier property, as well as
2. 4822967 - Apparatus for sterilizing sealed food stuffs by microwave irradiation
3. 4808782 - Microwave irradiating sterilization process