Average Co-Inventor Count = 3.00
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. Sony Corporation (3 from 58,130 patents)
3 patents:
1. 8526175 - Information processing device
2. 8100485 - Rotating door mechanism and electronic appliance
3. 7917917 - Tray ejecting mechanism and medium drive device that prevents an ejection switch from being pressed when an ejectable tray is open