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. (2 from 5,729 patents)
2 patents:
1. 4377229 - Apparatus for conveying copy sheet for electrophotographic copying
2. 4357095 - Electrophotographic copying machine