Average Co-Inventor Count = 5.00
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. Ntt Electronics Corporation (1 from 164 patents)
2. Sumiden Opcom, Ltd. (1 from 14 patents)
1 patent:
1. 7050673 - Temperature control device and arrayed waveguide grating optical wavelength multiplexer/demultiplexer