Average Co-Inventor Count = 4.00
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 28,605 patents)
2 patents:
1. 7113317 - Polygon mirror scanner having an easily replaceable bearing
2. 7106481 - Polygon mirror scanner having an easily replaceable bearing