Average Co-Inventor Count = 3.00
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. Nikon Corporation (3 from 8,893 patents)
3 patents:
1. 7868996 - Liquid immersion microscope
2. 7864437 - Adaptor for microscope and microscope apparatus (microscope-use adaptor and microscope device)
3. 5974386 - Timeline display of sound characteristics with thumbnail video