Average Co-Inventor Count = 4.29
ph-index = 3
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. Hitachi, Ltd. (3 from 42,485 patents)
3 patents:
1. 4458987 - Multi-layer liquid crystal panel with sealing members and retainers in
2. 4455185 - Method of manufacturing liquid crystal display element
3. 4043639 - Field effect type liquid crystal display elements provided with