Average Co-Inventor Count = 3.69
ph-index = 1
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. Seikagaku Corporation (3 from 191 patents)
2. Asahi Breweries, Ltd. (1 from 54 patents)
3. Ricoh Company, Ltd. (28,584 patents)
4 patents:
1. 11779593 - Agent for improving ocular subjective symptoms and method thereof
2. 11185558 - Agent for improving ocular subjective symptoms and method thereof
3. 11147831 - Agent for improving ocular subjective symptoms and method thereof
4. 7278452 - Filler for filling drink liquid