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. Oki Data Corporation (1 from 1,875 patents)
2. Oki (uk) Ltd. (1 from 1 patent)
1 patent:
1. 8213840 - Developer material holding apparatus, process cartridge to which the developer material holding apparatus is attached, and image forming apparatus to which the process cartridge is attached