Average Co-Inventor Count = 2.40
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. (6 from 27,375 patents)
6 patents:
1. D543322 - Electric washing machine
2. D515256 - Combined washing machine and drying machine
3. D507384 - Combined dish washing machine and drying machine
4. D502788 - Combined dish washing machine and drying machine
5. D496513 - Combined electric washing machine and clothes drier
6. D295356 - Microwave oven