Average Co-Inventor Count = 3.83
ph-index = 6
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-high-technologies Corporation (13 from 2,874 patents)
13 patents:
1. 9281169 - Mass spectrometer
2. D748813 - Sample preparation container
3. D746476 - Component analyzer
4. 9006679 - Mass spectrometer
5. D711011 - Sample holder for a component analyzer
6. 8779400 - Ion source, ion beam processing/observation apparatus, charged particle beam apparatus, and method for observing cross section of sample
7. 8664588 - Mass spectrometer
8. 8481980 - Ion source, ion beam processing/observation apparatus, charged particle beam apparatus, and method for observing cross section of sample
9. 8431891 - Dual beam apparatus with tilting sample stage
10. 7777183 - Charge particle beam system, sample processing method, and semiconductor inspection system
11. 7700931 - Ion beam processing apparatus
12. 7696496 - Apparatus for ion beam fabrication
13. 7592606 - Manufacturing equipment using ION beam or electron beam