Average Co-Inventor Count = 4.00
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. Tokyo Electric Co. (2 from 492 patents)
2. Kabushiki Kaisha Toshiba (1 from 52,711 patents)
3. Kabushiki Kaisha Toshiba A/t/a Toshiba Corporation (1 from 1 patent)
2 patents:
1. D297675 - Electric vacuum cleaner
2. D297475 - Electric vacuum cleaner