Average Co-Inventor Count = 2.73
ph-index = 4
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. Sony Corporation (5 from 58,132 patents)
5 patents:
1. 7699549 - Ink ribbon cartridge
2. 6693665 - System and apparatus for facilitating printing of images from an electronic camera
3. 6499848 - Slide feeder, slide system and slide feeding method
4. 4498090 - Electrostatic printing apparatus
5. 4496955 - Apparatus for thermal printing