Average Co-Inventor Count = 2.89
ph-index = 1
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. Ricoh Company, Ltd. (4 from 28,546 patents)
2. Hitachi High-tech Corporation (2 from 1,119 patents)
6 patents:
1. 12314355 - Information processing system, device, and authentication method
2. 11626266 - Charged particle beam device
3. 11394844 - Authentication system, shared terminal, and authentication method
4. 11276548 - Charged particle beam device and charged particle beam adjustment method
5. 10546017 - Displaying terms having corresponding character strings on a display
6. 10416940 - Image processing apparatus, image processing system, and image processing method for interpreting content obtained from a web browser and displaying a screen based on the interpreted content