Average Co-Inventor Count = 7.06
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. Hitachi, Ltd. (1 from 42,485 patents)
2. Opnext Japan, Inc. (1 from 134 patents)
2 patents:
1. 7215886 - Optical communication module
2. 7167654 - Optoelectronic transceiver with power voltage supply detection