Average Co-Inventor Count = 3.43
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. (2 from 8,780 patents)
2 patents:
1. 5506486 - Control apparatus for compressor with induction motor
2. 5119071 - Method and apparatus for controlling induction motor for compressor