Average Co-Inventor Count = 3.60
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. Fujitsu Corporation (3 from 39,228 patents)
3 patents:
1. 5291571 - Duplicated light source module
2. 5280389 - Ball lens assembly
3. 5074682 - Semiconductor laser module and positioning method thereof