Average Co-Inventor Count = 3.12
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. (4 from 5,729 patents)
4 patents:
1. 6026243 - Sensuous expression translation system
2. 5555505 - Sewing treatment and management system using electronic data processing
3. 5257129 - Real image type variable magnification viewfinder optical system
4. 5184252 - Finder optical system