Average Co-Inventor Count = 7.57
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 28,584 patents)
4 patents:
1. 6156127 - Method and apparatus for removing image forming substance from image
2. 5896612 - Method and apparatus for removing image forming substance from image
3. 5642550 - Apparatus for removing image forming substance from image holding member
4. 5534063 - Apparatus for removing image forming substance from sheet and sheet