Average Co-Inventor Count = 2.04
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. Hoya Corporation (5 from 2,530 patents)
2. Yahoo Japan Corporation (3 from 174 patents)
3. Kowa Company Limited (2 from 591 patents)
10 patents:
1. 9531821 - Server, distribution information generation method, and recording medium
2. 9354076 - Guiding server, guiding method and recording medium recording guiding program
3. 9286580 - Terminal apparatus, display method, recording medium, and display system
4. 9242978 - Phenylacetamide compound and pharmaceutical containing same
5. 9081131 - Process for producing plastic lens
6. 8921576 - Spiroindoline compound, and medicinal agent comprising same
7. 8895661 - Plastic lens
8. 8193303 - Method for production of plastic lens
9. 7261845 - Plastic lens and process for preparing the lens
10. 6448304 - Optical materials having good ultraviolet absorbability and method for producing them