Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11320714 | Electronic paper, image formation apparatus, and printing control method | Heung-sup Park, Yun-Tae Kim, Young Su Lee | 2022-05-03 |
| 8155284 | Facsimile apparatus to support a plurality of lines and operating method thereof | — | 2012-04-10 |
| 8035833 | Facsimile communication interface unit capable of preventing data error caused by noise by using a transformer and the transformer thereof | — | 2011-10-11 |
| 8014514 | Communication terminal device adapted to physical characteristics of telecommunication network and method for adapting communication terminal device to physical characteristic of telecommunication network | — | 2011-09-06 |
| 8014515 | Communication terminal device adapted to physical characteristics of telecommunication network and method for adapting communication terminal device to physical characteristics of telecommunication network | — | 2011-09-06 |
| 7664253 | Main terminal and a method of operating the same | — | 2010-02-16 |
| 7634078 | Communication terminal device adapted to physical characteristics of telecommunication network and method for adapting communication terminal device to physical characteristics of telecommunication network | — | 2009-12-15 |
| 7583798 | Apparatus for protecting multi-function products from surge voltage | — | 2009-09-01 |
| 7209552 | Telecommunication terminal device and method of using the same | — | 2007-04-24 |
| 5835239 | Facsimile apparatus having access function to a plurality of telephone lines and access method | — | 1998-11-10 |
| 5809117 | DTMF transmission and displaying method for facsimile system | — | 1998-09-15 |