Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471887 | Neodymium, ytterbium and/or erbium containing organic fluorescent compositions | Toshio Oshima, Yukinori Yamada, Takanori Kamoto, Tomio Nabeshima | 2002-10-29 |
| 6458294 | Fluorescent ink compositions | Toshio Oshima, Yukinori Yamada, Takanori Kamoto, Tomio Nabeshima | 2002-10-01 |
| 6436314 | Particulate fluorescent substance | Toshio Oshima, Yukinori Yamada, Takanori Kamoto, Tomio Nabeshima | 2002-08-20 |