Average Co-Inventor Count = 4.22
ph-index = 22
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. (58 from 42,496 patents)
2. Hitachi Displays, Ltd. (11 from 1,207 patents)
3. Panasonic Liquid Crystal Display Co., Ltd. (7 from 1,238 patents)
4. Samsung Display Co., Ltd. (3 from 27,040 patents)
5. Japan Display Inc. (3 from 5,670 patents)
6. Other (2 from 832,843 patents)
7. Hitachi Chemical Company, Ltd. (2 from 1,641 patents)
8. Hitachi Haramachi Semi-conductor, Ltd. (2 from 14 patents)
79 patents:
1. 11289565 - Organic electroluminescent light emitting display device
2. 11133368 - Display module
3. 10109697 - Display module
4. 8952884 - Suspended particle device, light control device using the same, and method for driving the same
5. 8848157 - Liquid crystal display
6. 8847858 - Organic electroluminescent light emitting display device
7. 8767137 - Liquid crystal display device with red, green and blue subpixels having different aperture ratios
8. 8599470 - Suspended particle device and method for driving same
9. 8581806 - Display module
10. 8514359 - Liquid crystal display device and manufacturing method therefor
11. 8446347 - Organic electroluminescent light emitting display device
12. 8384845 - Liquid crystal display device and illuminating device
13. 8134524 - Organic electroluminescent light emitting display device
14. 8085220 - Plasma display apparatus
15. 7928952 - Image display device