Average Co-Inventor Count = 1.62
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. Matsushita Electric Industrial Co., Ltd. (5 from 27,375 patents)
5 patents:
1. D491703 - Vacuum cleaner
2. D487828 - Vacuum cleaner nozzle
3. D463078 - Electric vacuum cleaner
4. D454994 - Electric vacuum cleaner
5. D249292 - Desk lamp