Average Co-Inventor Count = 2.77
ph-index = 3
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. Tokyo Electric Co. (3 from 492 patents)
3 patents:
1. 5276527 - Compact portable recording apparatus with thin, flat case, and which
2. 5229869 - Portable original reading apparatus
3. 4909645 - Pivotable support enabling paper insertion in a recording apparatus