Average Co-Inventor Count = 4.00
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. (6 from 28,577 patents)
6 patents:
1. 11864905 - Biological function measurement and analysis system, biological function measurement and analysis method, and recording medium storing program code
2. 11805969 - Biological information measuring apparatus, biological information measurement method, and recording medium
3. 11534094 - Brain response measurement system, brain response measurement method, and brain response measurement program
4. 11439336 - Biological information measurement system and recording medium
5. 10031457 - Optical sensor, recording medium discrimination device, and image forming apparatus
6. 9429513 - Sensor apparatus and image forming apparatus incorporating same