Average Co-Inventor Count = 2.67
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. Olympus Optical Company, Ltd. (3 from 5,729 patents)
3 patents:
1. 4998282 - Lifesaving borescope system
2. 4589414 - Surgical cutting instrument
3. 4171906 - Device for holding down a document