Average Co-Inventor Count = 4.00
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. Spi Electronic Co., Ltd. (1 from 8 patents)
2. Spi Electronics Co., Ltd. (1 from 2 patents)
2 patents:
1. D559777 - Power supply
2. 7268658 - Transformer having leakage inductance control structure