Average Co-Inventor Count = 5.27
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. (5 from 28,544 patents)
2. Shinko Electric Company, Ltd. (1 from 227 patents)
5 patents:
1. 7973960 - Document processing system
2. 7760218 - Information recording apparatus and information recording method
3. 7489415 - Document processing system
4. 5815205 - External communication interface for a digital camera
5. 5057925 - Still picture recorder utilizing a switch controlled timer