Average Co-Inventor Count = 3.00
ph-index = 1
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. Pentax Ricoh Imaging Company, Ltd. (2 from 123 patents)
2 patents:
1. 8994850 - Apparatus and method for photographing information management
2. 8823833 - Imager that adds visual effects to an image and records visual effects information in an image file