Average Co-Inventor Count = 5.00
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. Sintokogio, Ltd. (1 from 544 patents)
1 patent:
1. 6591891 - Method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite