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. Sharp Kabushiki Kaisha Corporation (2 from 25,530 patents)
2 patents:
1. 6279590 - Cleaning method and cleaning apparatus
2. 6132523 - Method of cleaning a substrate in a cleaning tank using plural fluid