Average Co-Inventor Count = 2.33
ph-index = 2
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)
2. Japan Display Inc. (2 from 5,668 patents)
3. Panasonic Liquid Crystal Display Co., Ltd. (2 from 1,238 patents)
4. Hitachi Displays, Ltd. (2 from 1,207 patents)
7 patents:
1. 9250488 - Display device
2. 9229272 - Liquid crystal display device
3. 8508701 - Display device
4. 8384842 - Display device
5. 6797876 - Image display device
6. 6388368 - Color cathode ray tube having an improved internal magnetic shield
7. 6229254 - Color cathode ray tube having an improved internal magnetic shield