Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6383982 | Color developer composition, aqueous dispersion, recording sheet and color developing ink | Yoshimitsu Tanabe, Nobuhiro Takizawa, Masakatsu Nakatsuka | 2002-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6383982 | Color developer composition, aqueous dispersion, recording sheet and color developing ink | Yoshimitsu Tanabe, Nobuhiro Takizawa, Masakatsu Nakatsuka | 2002-05-07 |