Average Co-Inventor Count = 4.39
ph-index = 7
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. (10 from 42,508 patents)
2. Hitachi-high-technologies Corporation (6 from 2,874 patents)
3. Clarion Co (1 from 1,057 patents)
16 patents:
1. D1011364 - Display screen with graphical user interface
2. D1011375 - Display screen with graphical user interface
3. D956734 - Magnetic disc storage unit for electronic computer
4. D949850 - Portion of a magnetic disc storage unit for electronic computer
5. D948504 - Portion of a magnetic disc storage unit for electronic computer
6. 10020163 - Charged particle beam apparatus, specimen observation system and operation program
7. D809545 - Display screen with graphical user interface
8. D778920 - Display screen with graphical user interface
9. D774047 - Display screen with graphical user interface
10. D774074 - Display screen with graphical user interface
11. 9443694 - Charged particle beam apparatus, specimen observation system and operation program
12. 9129773 - Charged particle beam apparatus
13. 8831873 - Navigation device, program, and display method
14. 8456489 - Method of displaying document with image
15. 6924741 - Method and system for displaying guidance information