Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7589873 | Setting a color tone to be applied to an image | — | 2009-09-15 |
| 7513944 | Black ink composition, ink set, recording method and recorded matter | Tsuyoshi Sano | 2009-04-07 |
| 6846353 | Ink set comprising black ink compositions, and recording method, recorded matter and ink-jet recording apparatus using the same | Tsuyoshi Sano | 2005-01-25 |