Average Co-Inventor Count = 3.43
ph-index = 1
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. Omron Corporation (2 from 4,118 patents)
2 patents:
1. D598867 - Programmable logic controller
2. 7184019 - Back light control method and programmable controller having a display device with a back light