Average Co-Inventor Count = 1.23
ph-index = 2
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. Oki Data Corporation (4 from 1,875 patents)
4 patents:
1. 9670015 - Medium feeding device and image forming apparatus
2. 8971789 - Development device and image forming apparatus
3. 8630557 - Medium detection device and image formation apparatus
4. 7641190 - Medium tray and image recording apparatus using the same