Average Co-Inventor Count = 6.08
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. (2 from 27,375 patents)
2. Panasonic Corporation (1 from 16,453 patents)
3 patents:
1. 7966842 - Refrigerator, and electric device
2. 7318323 - Ice-making device
3. 7152424 - Ice tray and ice making machine, refrigerator both using the ice tray