Average Co-Inventor Count = 1.19
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. (5 from 28,584 patents)
5 patents:
1. 11007783 - Apparatus for discharging liquid, method for maintaining liquid discharge head, and cleaner for liquid discharge head
2. D890255 - Ink cartridge
3. D889538 - Ink cartridge
4. D888823 - Ink cartridge
5. 9039152 - Liquid cartridge and image forming apparatus incorporation same