Average Co-Inventor Count = 4.80
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 832,718 patents)
2. Yamagata Public Corporation for the Development of Industry (1 from 1 patent)
2 patents:
1. 6741077 - Electron spin resonance measurement method and measurement device for measuring ESR within the interior of large samples
2. 6652156 - Optical connector plug