Average Co-Inventor Count = 5.00
ph-index = 2
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 28,577 patents)
3 patents:
1. 7712989 - Ink jet recording apparatus capable of performing a duplex print operation
2. 7344326 - Ink jet recording apparatus capable of performing a duplex print operation
3. 6719469 - Ink jet recording apparatus capable of performing a duplex print operation