Average Co-Inventor Count = 3.75
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 (2 from 832,680 patents)
2. Research Development Corporation of Japan (1 from 255 patents)
3. Research Development Corporation (1 from 44 patents)
2 patents:
1. 5184072 - Apparatus for measuring weak static magnetic field using superconduction
2. 5181383 - Refrigerator