Average Co-Inventor Count = 1.67
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. (2 from 28,544 patents)
2 patents:
1. 12214983 - Sheet stacking device and image forming system
2. 11981523 - Sheet conveying device and image forming system incorporating the sheet conveying device