Average Co-Inventor Count = 3.16
ph-index = 3
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)
3 patents:
1. 5325764 - Coffee extractor
2. 5121464 - Steamer with controlled pressure
3. 4656763 - Steam iron with steam surge generation capability