Average Co-Inventor Count = 4.20
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. Other (1 from 832,961 patents)
2. Jasco Corporation (1 from 78 patents)
3. Nihon Bunko Kogyo Kabushiki Kaisha (1 from 7 patents)
2 patents:
1. 5424216 - No radical measuring method and apparatus
2. 5013443 - Extraction and separation method and apparatus using supercritical fluid