Average Co-Inventor Count = 1.85
ph-index = 5
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. Sanyo Electric Co., Ltd. (5 from 8,781 patents)
5 patents:
1. D590065 - Electric massager
2. D543669 - Nozzle of electric vacuum cleaner
3. D517337 - Chair-type massager
4. D429595 - Microwave oven
5. D354415 - Microwave oven