Average Co-Inventor Count = 5.00
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. Olympus Optical Company, Ltd. (3 from 5,729 patents)
3 patents:
1. D485858 - Ink bottle
2. D484530 - Ink bottle
3. D471584 - Ink bottle