Average Co-Inventor Count = 4.60
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 Refrigeration Company (2 from 123 patents)
2. Matsushita Reika Co., Ltd. (1 from 1 patent)
3. Matsushita Refrigerator Company (1 from 1 patent)
4 patents:
1. 5562427 - Filter arrangement for a refrigerant compressor
2. 5557945 - Refrigerant compressor and refrigeration system incorporating same
3. 5402655 - Refrigerant compressor and refrigeration system incorporating same
4. 4531894 - Sealed type motor compressor