Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688789 | Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor | Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto | 2004-02-10 |
| 6471887 | Neodymium, ytterbium and/or erbium containing organic fluorescent compositions | Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto | 2002-10-29 |
| 6458294 | Fluorescent ink compositions | Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto | 2002-10-01 |
| 6436314 | Particulate fluorescent substance | Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto | 2002-08-20 |
| 6303929 | Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor | Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto | 2001-10-16 |
| 5932139 | Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader thereof | Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto | 1999-08-03 |