Average Co-Inventor Count = 2.00
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. Daiwa Can Company (2 from 128 patents)
2 patents:
1. 7721578 - Opening curled portion of metal can and forming method thereof
2. 7497350 - Opening curled part of metal container and method of forming the opening curled part