Average Co-Inventor Count = 3.92
ph-index = 19
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. (51 from 42,485 patents)
2. Nippon Telegraph and Telephone Public Corporation (5 from 522 patents)
3. Other (1 from 832,680 patents)
4. Hitachi Device Engineering Co., Ltd. (1 from 217 patents)
5. Cube It Limited (1 from 1 patent)
53 patents:
1. 9392898 - Folding hanger
2. 6483660 - Disk drive unit having multiple disks arranged in a plane
3. 5889573 - Thin film transistor substrate, manufacturing method thereof, liquid
4. 5854997 - Electronic interpreter utilizing linked sets of sentences
5. 5761352 - Optical switch having a two-level crossing between input/output optical
6. 5719408 - Thin film transistor substrate, manufacturing method thereof, liquid
7. 5672523 - Thin film transistor substrate, manufacturing method thereof, liquid
8. 5604142 - Method of making an EPROM with peripheral transistor
9. 5585290 - Method of manufacturing a thin film transistor substrate
10. 5359206 - Thin film transistor substrate, liquid crystal display panel and liquid
11. 5340760 - Method of manufacturing EEPROM memory device
12. 5266825 - Thin-film device
13. 5200634 - Thin film phototransistor and photosensor array using the same
14. 5189497 - Semiconductor memory device
15. 5153690 - Thin-film device