Average Co-Inventor Count = 2.47
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 52,735 patents)
4 patents:
1. 7454041 - Person recognition apparatus
2. 7120278 - Person recognition apparatus
3. 7006672 - Entrance management apparatus and entrance management method
4. 5844603 - Image data processing apparatus having functions of dividing the image