Average Co-Inventor Count = 1.00
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. Nec Corporation (1 from 35,670 patents)
2. The University of Tokyo (1 from 1,281 patents)
3. Hokkaido University (1 from 416 patents)
4. National Institute of Information and Communications Technology, Incorporated (1 from 360 patents)
1 patent:
1. 12489614 - Photon detection device, reception device, quantum key distribution system, and method for detecting quantum signal