Average Co-Inventor Count = 3.87
ph-index = 4
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 Displays, Ltd. (4 from 1,207 patents)
3. Panasonic Liquid Crystal Display Co., Ltd. (1 from 1,238 patents)
4. Hitachi, Ltd. & Nippon Hoso Kyokai (1 from 1 patent)
9 patents:
1. 8248562 - Display panel having an antireflection layer
2. 7986297 - Image display apparatus utilizing electrophoresis
3. 7742137 - Display device and electrical appliance using the same
4. 7710515 - Backlight module and liquid crystal display using the same
5. 7580181 - Display
6. 7336410 - High-definition pixel structure of electrochromic displays and method of producing the same
7. 6705730 - Picture display device
8. 6081380 - Directional reflection screen and projection display
9. 5488386 - Imaging apparatus and operation method of the same