Average Co-Inventor Count = 1.64
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 (3 from 52,711 patents)
3 patents:
1. 7760249 - Image recording and playing system and image recording and playing method
2. 7123371 - Document input system and document input method
3. 6477528 - File management system, electronic filing system, hierarchical structure display method of file, computer readable recording medium recording program in which function thereof is executable