Average Co-Inventor Count = 2.40
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. (1 from 492 patents)
2. Tokyo Electric Limited (1 from 6 patents)
2 patents:
1. 4634304 - Printer
2. 4312596 - Beating blade member of beater