Average Co-Inventor Count = 10.00
ph-index = 3
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 28,566 patents)
3 patents:
1. 7146111 - Office information system having a device which provides an operational message of the system when a specific event occurs
2. 6950613 - Office information system having a device which provides an operational message of the system when a specific event occurs
3. 6701095 - Office information system having a device which provides an operational message of the system when a specific event occurs