Average Co-Inventor Count = 4.58
ph-index = 12
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. (31 from 42,485 patents)
31 patents:
1. 7297955 - Semiconductor radiation detector, positron emission tomography apparatus, semiconductor radiation detection apparatus, detector unit and nuclear medicine diagnostic apparatus
2. 7278255 - Gas turbine installation
3. 7215729 - Fuel assembly and nuclear reactor
4. 7146794 - Gas turbine installation
5. 7096659 - Gas turbine electric power generation equipment and air humidifier
6. 7091625 - Home-use fuel cell system
7. 7082749 - Gas turbine electric power generation equipment and air humidifier
8. 6973772 - Gas turbine installation
9. 6920759 - Cold heat reused air liquefaction/vaporization and storage gas turbine electric power system
10. 6901736 - Gas turbine electric power generation equipment and air humidifier
11. 6854259 - Gas turbine installation
12. 6644013 - Gas turbine power generation equipment and air humidifying apparatus
13. 6637185 - Gas turbine installation
14. 6578354 - Gas turbine electric power generation equipment and air humidifier
15. 6560957 - Gas turbine installation