Average Co-Inventor Count = 3.00
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. Sumitomo Electric Industries, Limited (2 from 10,250 patents)
2. Other (1 from 832,843 patents)
3. Mitsui Toatsu Chemicals, Incorporated (1 from 1,379 patents)
2 patents:
1. 4975222 - Radiation detecting elements and method of detection
2. 4910149 - Method and apparatus for detecting radiation