Average Co-Inventor Count = 4.24
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. (3 from 28,544 patents)
3 patents:
1. 11575095 - Photoelectric conversion device, process cartridge, and image forming apparatus
2. 10073363 - Photoconductor, image forming apparatus, process cartridge, and method of manufacturing photoconductor
3. 9110438 - Flange member, photosensitive drum, process cartridge, image forming apparatus, and image forming method