Average Co-Inventor Count = 1.20
ph-index = 3
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. Usui Kokusai Sangyo Kaisha Limited (3 from 334 patents)
3 patents:
1. 5890749 - Connector for connecting pipe arrangements having small diameter
2. 5881857 - Hydraulic fan coupling apparatus
3. 5794749 - Temperature-responsive fluid-type fan coupling apparatus