Average Co-Inventor Count = 6.00
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. Other (1 from 832,812 patents)
2. Taisei Corporation (1 from 80 patents)
3. Yasuro Ito and Taisei Corporation (1 from 1 patent)
2 patents:
1. 4715719 - Method of preparing mortar or concrete
2. 4686852 - Method of preparing mortar or concrete