Average Co-Inventor Count = 7.30
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. (3 from 28,544 patents)
3 patents:
1. 8494427 - Fixing device, image forming apparatus, and fixing method
2. 8428503 - Fixing device and image forming apparatus
3. 8351830 - Belt conveying device and image forming apparatus