Average Co-Inventor Count = 4.50
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. 4459624 - Magnetic reproducing apparatus
2. 4366514 - Magnetic reproducing apparatus
3. D244868 - Micro-cassette adapter