Average Co-Inventor Count = 3.87
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. Matsushita Electric Industrial Co., Ltd. (4 from 27,375 patents)
4 patents:
1. D573759 - Electric vacuum cleaner
2. D570563 - Vacuum cleaner
3. D570567 - Vacuum cleaner
4. D382766 - Pot for rice cooker