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. Oki Electric Industry Co., Ltd. (1 from 4,979 patents)
2. Fujikura Limited (1 from 1,801 patents)
3. Of Networks Co., Ltd. (1 from 2 patents)
1 patent:
1. 8654785 - Transmission control system, subscriber-side communication device, and office-side communication device