Average Co-Inventor Count = 1.00
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. Ier (3 from 18 patents)
3 patents:
1. 5915860 - Cartridge and roller for a consumable ribbon, receiving apparatus, and
2. D333481 - Ink ribbon cartridge
3. D333482 - Ink ribbon cartridge