Average Co-Inventor Count = 1.82
ph-index = 4
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 28,577 patents)
4 patents:
1. 5649188 - Electronic filing apparatus which allows information to be retrieved
2. 5625770 - File system for filing documents, using a catalog card having a
3. 5461682 - Image filing apparatus providing image data suitable for several
4. 5333211 - Image processing apparatus for preventing occurrence of moire in a