Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501497 | Thermal head with small size of steps of protective layer formed on heating portion and manufacturing method thereof | Takashi Shirakawa, Masayoshi Takeuchi, Daiki SUGIYAMA, Noboru Tsushima | 2002-12-31 |