Average Co-Inventor Count = 5.22
ph-index = 4
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. (3 from 27,375 patents)
2. Matsushita Electric Co., Ltd. (1 from 31 patents)
4 patents:
1. 6575904 - Biodata interfacing system
2. 6163990 - Steam iron with scale deposit repression
3. 5630287 - Electric steam iron
4. 5117092 - Cordless iron