Average Co-Inventor Count = 2.57
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. Kabushiki Kaisha Toshiba (2 from 52,735 patents)
2. Canon Kabushiki Kaisha (1 from 90,697 patents)
3 patents:
1. D710316 - Light-emitting diode
2. 7509052 - Optical receiver, optical transmitter and optical transceiver
3. 7248800 - Optical receiver, optical transmitter and optical transceiver