Average Co-Inventor Count = 3.11
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. Kabushiki Kaisha Toshiba (2 from 52,730 patents)
2 patents:
1. 5012283 - Copying apparatus having a lamp to form or erase an image
2. 4839691 - Image forming apparatus