Average Co-Inventor Count = 4.84
ph-index = 14
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. (55 from 42,508 patents)
2. Hitachi Displays, Ltd. (7 from 1,207 patents)
3. Panasonic Liquid Crystal Display Co., Ltd. (6 from 1,238 patents)
4. Japan Display Inc. (4 from 5,671 patents)
5. Other (3 from 832,880 patents)
6. Hitachi Device Engineering Co., Ltd. (3 from 217 patents)
7. Hiatchi, Ltd. (1 from 17 patents)
69 patents:
1. 9324259 - Image display device
2. 9324260 - Image display device
3. 9035978 - Image display device
4. 8730281 - Image display device
5. 8508562 - Image display device
6. 8120070 - Wiring board and method for manufacturing the same
7. 8102387 - Image display device
8. 8013327 - Electronic device
9. 8013811 - Image display device
10. 8008654 - Thin-film transistor device and a method for manufacturing the same
11. 7989143 - Method of manufacturing a semiconductor device having an organic thin film transistor
12. 7939826 - Thin film semiconductor device
13. 7907797 - Image processing apparatus
14. 7872257 - Organic thin film transistor array and method of manufacturing the same
15. 7868323 - Thin film transistor device, image display device and manufacturing method thereof