Average Co-Inventor Count = 3.60
ph-index = 3
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 52,730 patents)
2. Tokyo Electric Co. (2 from 492 patents)
3. Tokyo Shibaura Denki Kabushiki Kaisha (1 from 2,916 patents)
3 patents:
1. D289097 - Electric vacuum cleaner
2. D288972 - Electric vacuum cleaner
3. D285923 - Arithmetic operation control machine for electronic computers