Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456636 | Ultraviolet electroluminescent element and laser luminescent element | Shinya Koshihara, Kenzo Ebihara, Mitsuo Kira, Toshihiro Suzuki | 2002-09-24 |
| 6409810 | Water-soluble trisazo compounds, aqueous ink composition and colored article | Hiroaki Ono, Toru Tabei, Yasuo Shirasaki, Isao Yamaguchi, Kazunobu Nagasaki | 2002-06-25 |