Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666991 | Fluorescent or phosphorescent composition | Kiyoshi Hoshino, Katsuto Nakatsuka | 2003-12-23 |
| 6517627 | Additive pigment powders | Katsuto Nakatsuka | 2003-02-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666991 | Fluorescent or phosphorescent composition | Kiyoshi Hoshino, Katsuto Nakatsuka | 2003-12-23 |
| 6517627 | Additive pigment powders | Katsuto Nakatsuka | 2003-02-11 |