Average Co-Inventor Count = 1.91
ph-index = 9
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. (11 from 27,375 patents)
11 patents:
1. D515697 - Oxygen supply instrument
2. D513074 - Oxygen concentrator
3. D510438 - Oxygen concentrator
4. D487827 - Vacuum cleaner nozzle
5. D487828 - Vacuum cleaner nozzle
6. D477443 - Vacuum cleaner
7. D476783 - Vacuum cleaner
8. D471966 - Toilet seat
9. D417284 - Portable heater
10. D409807 - Electric iron
11. D391721 - Electric iron