Average Co-Inventor Count = 4.00
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. Sanyo Chemical Industries, Ltd. (1 from 353 patents)
2. Shimizu Construction Co., Ltd. (1 from 116 patents)
1 patent:
1. 5089538 - Composition suited for addition to ground excavation stabilizing liquid,