Average Co-Inventor Count = 3.51
ph-index = 4
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. (4 from 42,485 patents)
2. Sumitomo Electric Industries, Limited (1 from 10,239 patents)
5 patents:
1. 10103505 - Cable with connectors
2. 5726702 - Television signal receiving apparatus incorporating an information
3. 4805040 - Drop-out correction circuit in an apparatus for correcting time base
4. 4779143 - Video disc recording and/or reproducing apparatus for color video signal
5. 4598553 - Combustor for gas turbine