Average Co-Inventor Count = 3.40
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. Oki Data Corporation (6 from 1,875 patents)
2. Hitachi High-tech Corporation (3 from 1,119 patents)
3. Hitachi, Ltd. (2 from 42,488 patents)
4. Hitachi-high-technologies Corporation (2 from 2,874 patents)
5. Clarion Co (2 from 1,057 patents)
6. Nec Corporation (1 from 35,670 patents)
16 patents:
1. 12463008 - Charged particle beam scanning module, charged particle beam device, and computer
2. 11211225 - Charged particle beam control device
3. 11199511 - Medium sensor device and monitoring system
4. 10847344 - Charged particle beam control device
5. 10692687 - Measurement and inspection device
6. 10453663 - Mass spectrometry device and ion detection method therefor
7. 8931028 - Receiving device
8. 8724035 - Receiver apparatus for receiving a program and searching a channel simultaneously
9. 8514335 - Transceiver
10. RE40711 - Toner cartridge
11. 6324371 - Toner cartridge
12. 6266511 - Image recording apparatus
13. 6112037 - Color image forming apparatus having a controller for setting printing
14. 5983042 - Color image forming apparatus having a printing mechanism selectively
15. 5983041 - Image recording apparatus having a neutralizing device