Average Co-Inventor Count = 4.00
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. Nissan Chemical Industries Limited (2 from 1,235 patents)
2 patents:
1. 4521249 - Silicate containing agent and cement surface modified with said agent
2. 4443496 - Agent and method for modifying surface layer of cement structures