Average Co-Inventor Count = 5.00
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. (4 from 42,485 patents)
2. Hitachi Device Engineering Co., Ltd. (4 from 217 patents)
3. Other (1 from 832,680 patents)
5 patents:
1. 7154571 - Liquid crystal display device
2. 7142266 - Liquid crystal display device
3. 7027111 - Liquid crystal display device having nut member fixed on housing
4. 7002645 - Liquid crystal display device
5. 6741299 - Liquid crystal display device