Average Co-Inventor Count = 2.00
ph-index = 3
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 28,584 patents)
2. Tokyo Medical and Dental University (1 from 130 patents)
4 patents:
1. 12114979 - Biomagnetic field measurement processing apparatus, biomagnetic field measurement system, and control method of biomagnetic field measurement processing apparatus
2. 5402250 - Document processing system
3. 5367618 - Document processing apparatus
4. 5041918 - Facsimile adapter unit