Average Co-Inventor Count = 2.68
ph-index = 7
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 Works, Ltd. (7 from 1,623 patents)
7 patents:
1. 6332873 - Hand-held massaging apparatus
2. 6210349 - Roller massaging apparatus
3. 5997489 - Massager with rotatable head and roller
4. 5307791 - Air massaging device with a precise pressure control
5. 5233974 - Air massaging apparatus with a series of sequentially inflating air bags
6. 4825486 - Bedsore-preventing air mattress controller
7. 4653130 - Bedsore preventing apparatus