Average Co-Inventor Count = 2.40
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. Tohoku Pioneer Corporation (1 from 291 patents)
2. Pioneer Corporation/tohoku Pioneer Corporation (1 from 1 patent)
2 patents:
1. 10608198 - Light-emitting device
2. 7339552 - Dot matrix type display device and information equipment employing the same