Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8644737 | Developing device and electrophotographic image forming apparatus including the same | Mitsuru Oikawa | 2014-02-04 |
| 7693556 | Key input method in a mobile telecommunication terminal | Kwon-Tae Kim | 2010-04-06 |