Average Co-Inventor Count = 2.57
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 Imaging Corporation (3 from 727 patents)
2. Olympus Corporation (2 from 8,186 patents)
3 patents:
1. 8308378 - Barrier apparatus and image pickup apparatus
2. 7853143 - Camera
3. 7729064 - Lens frame structure