Average Co-Inventor Count = 3.00
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. (3 from 4,979 patents)
3 patents:
1. 8379633 - Concentrator for speech telephones and method of communication over LAN using same
2. 7561538 - Concentrator for speech telephones and method of communication over LAN using same
3. 7382766 - Line concentrator for telephone set and communication method of LAN