Average Co-Inventor Count = 1.06
ph-index = 8
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 Corporation of America (5 from 139 patents)
2. Matsushita Home Appliance Corporation of America (2 from 8 patents)
3. Whirlpool Corporation (1 from 5,961 patents)
4. Matsushita Appliance Corporation (1 from 1 patent)
9 patents:
1. 6421874 - Pivotal edge cleaning brushes for vacuum cleaner
2. 6351872 - Agitator motor projection system for vacuum cleaner
3. 6289552 - Vacuum cleaner with dual agitator windows
4. 6226832 - Easy maintenance vacuum cleaner
5. 6151751 - Vacuum cleaner with dust bag retention flaps
6. 6035486 - Dust bag housing door with final filtration compartment
7. 5867863 - Dust bag housing door with final filtration compartment
8. 5504971 - Vacuum cleaner with adjustable speed power assist
9. 4989506 - Charcoal filter system for a trash compactor