Average Co-Inventor Count = 5.00
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 52,735 patents)
3 patents:
1. 5751636 - Semiconductor memory device having data erasing mechanism
2. 5623445 - Semiconductor memory device having data erasing mechanism
3. 5452248 - Method of operating a nonvolatile semiconductor memory device