Average Co-Inventor Count = 2.93
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. Kasei Optonix, Ltd. (4 from 87 patents)
4 patents:
1. 6020067 - Phosphor having surface coated with a quaternary salt-containing compound
2. 5394055 - Color picture tube with the fluorescent film of the red emission
3. 5368886 - Method for producing surface treated phosphor particles
4. 5304889 - Color cathode-ray tube, and surface-treated phosphor and method for its