Average Co-Inventor Count = 1.92
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. Nikon Corporation (4 from 8,898 patents)
4 patents:
1. 9477156 - Reflecting optical member, optical system, exposure apparatus, and device manufacturing method
2. 6142097 - Optical membrane forming apparatus and optical device produced by the
3. 5757008 - Infrared-ray image sensor
4. 5635738 - Infrared solid-state image sensing apparatus