Average Co-Inventor Count = 2.00
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. Yoshino Kogyosho Co., Ltd. (2 from 665 patents)
2 patents:
1. 12151845 - Preform assembly, double container, and method of manufacturing double container
2. 11851235 - Preform assembly, double container, and method of manufacturing double container