Average Co-Inventor Count = 7.00
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. Sony Corporation (2 from 58,129 patents)
2 patents:
1. 6793988 - Ink ribbon for image transcription
2. 6417138 - Method for transcribing an image and a support for transcription and ink ribbon employed therefor