Average Co-Inventor Count = 4.00
ph-index = 1
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 (1 from 10,240 patents)
2. Japan Marine Science and Technology Center (1 from 12 patents)
1 patent:
1. 5198662 - Water temperature distribution measurement system employing optical