Average Co-Inventor Count = 3.27
ph-index = 3
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. Kabushiki Kaisha Toshiba (3 from 52,735 patents)
3 patents:
1. 5371573 - Image forming apparatus providing a sheet tray in the image forming
2. 5031116 - Image forming apparatus
3. 5018079 - Image forming apparatus