Average Co-Inventor Count = 3.27
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. Sanyo Chemical Industries, Ltd. (3 from 353 patents)
3 patents:
1. 4298487 - Hydraulic fluid compositions comprising borate esters of oxyalkylated
2. 4233170 - Water-glycol hydraulic fluid containing polyoxyalkylene ethers
3. 3992312 - Non-inflammable hydraulic fluid