Average Co-Inventor Count = 3.38
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. Alps Electric Co., Ltd. (2 from 4,048 patents)
2 patents:
1. 5134506 - Liquid crystal device having a phase plate and particular dye composition
2. 5115329 - Electroluminescent device having a liquid crystal layer adjacent to the