Average Co-Inventor Count = 2.67
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 52,751 patents)
2 patents:
1. 6160904 - Apparatus for inputting information on the irregularity of a finger,
2. 4818978 - Position and image inputting unit