Average Co-Inventor Count = 2.18
ph-index = 5
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. (8 from 28,544 patents)
8 patents:
1. 9813588 - Image processing apparatus authentication system and image processing apparatus
2. 8752159 - Information processing apparatus, verification system, control method of verification system, program of control method of verification system, and storage medium
3. 8423781 - Image forming apparatus, method for validating IC card holder, and computer program product thereof
4. 8166542 - Information processing apparatus, user information managing method, and computer program product
5. 8001593 - Authentication method and unit, and electronic apparatus having authentication unit
6. 7595903 - Collaboration system, method and software program for image forming apparatuses
7. 6226102 - Image forming apparatus which forms an image based on stored image data
8. 5987227 - Image forming apparatus and method for detecting and eliminating