Average Co-Inventor Count = 2.50
ph-index = 4
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 (4 from 52,711 patents)
4 patents:
1. 6882741 - Facial image recognition apparatus
2. 6741727 - Apparatus for determining the soil degree of printed matter
3. 6047085 - Image identifying apparatus
4. 5535127 - Processing apparatus for mail with stamps