Average Co-Inventor Count = 3.69
ph-index = 2
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 (3 from 2,874 patents)
2. Hitachi, Ltd. (1 from 42,517 patents)
4 patents:
1. 8912487 - Charged particle beam device, position specification method used for charged particle beam device, and program
2. 8710464 - Specimen preparation device, and control method in specimen preparation device
3. 8629394 - Charged particle beam device and method for correcting position with respect to charged particle beam
4. 6521890 - Focused ion beam machining method and focused ion beam machining apparatus