Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663231 | Monolithic nozzle assembly formed with mono-crystalline silicon wafer and method for manufacturing the same | Hyun Cheol KIM, Yong-soo Oh, Cimoo Song | 2003-12-16 |
| 6629797 | Writing implement having a bar type lead element and molding method of the lead element therein | — | 2003-10-07 |
| 6623197 | Water-based solid marking composition, method for producing the same, and water-based marking instrument containing the same | — | 2003-09-23 |