Average Co-Inventor Count = 4.20
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 52,766 patents)
2. Toshiba Automation Engineering, Ltd. (1 from 1 patent)
2 patents:
1. 5012283 - Copying apparatus having a lamp to form or erase an image
2. 4575223 - Braking mechanism for document table drive means in a copying apparatus