Average Co-Inventor Count = 8.00
ph-index = 2
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. Sanyo Electric Co., Ltd. (3 from 8,780 patents)
3 patents:
1. 7736138 - Compressor with continuously inclined surface
2. 7581937 - Rotary type compressor having an intermediate pressure on a surface side of its compression member
3. 7481635 - Shaft seal for rotary type compressor