Average Co-Inventor Count = 1.14
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 (4 from 52,730 patents)
4 patents:
1. D494328 - Electronic vacuum cleaner
2. D488597 - Vacuum cleaner
3. D488598 - Vacuum cleaner
4. D324036 - Combined electronic computer and telephone