Average Co-Inventor Count = 1.33
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. Teco Image Systems Co., Ltd. (2 from 55 patents)
2 patents:
1. 10688791 - Printer clean system
2. 10513120 - Ink cartridge clean device