Issued Patents 2018
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10154161 | Image forming apparatus determining supplies-purchasing condition based on usage of supplies and operating method thereof | Jae Yoon Lee | 2018-12-11 |
| 9977398 | CRUM chip and image forming device for communicating mutually, and method thereof | Jae Yoon Lee | 2018-05-22 |
| 9973658 | CRUM chip and image forming device for authentication and communication, and methods thereof | Jae Yoon Lee | 2018-05-15 |
| 9927768 | Crum chip and image forming device for communicating mutually, and method thereof | Jae Yoon Lee | 2018-03-27 |
| 9924071 | Crum chip and image forming device for authentication and communication, and methods thereof | Jae Yoon Lee | 2018-03-20 |
| 9864300 | CRUM chip, image forming device for verifying consumable unit comprising the CRUM chip, and methods thereof | Jae Yoon Lee | 2018-01-09 |