Average Co-Inventor Count = 1.26
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. Ricoh Company, Ltd. (8 from 28,577 patents)
8 patents:
1. 5528361 - Image forming apparatus with interleaved printing from plural sources
2. 5251045 - Magnification changing system for a copier
3. 5111309 - Density control system for a digital copier
4. 5105284 - Digital copier operable with external storing medium
5. 5016114 - Digital copier apparatus with external laser card storage medium and
6. 4992884 - Copier with an optional facsimile function and method of controlling the
7. 4905098 - Copier with an optional facsimile function and method of controlling the
8. 4893194 - Multi-copy system for a digital copier