Average Co-Inventor Count = 4.71
ph-index = 1
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. 8363248 - Image forming apparatus
2. 8310698 - Image forming apparatus and activating method thereof
3. 8150274 - Apparatus and method for image forming
4. 8032037 - Image forming apparatus, computer program product, and printing inhibiting method