Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7553357 | Ink composition, ink cartridge, recording method, and recorded product | Hiroshi Fukumoto, Kazuhiko Kitamura | 2009-06-30 |
| 7540908 | Ink composition, ink cartridge, recording method, and recorded product | Hidefumi Maruyama, Kazuhiko Kitamura | 2009-06-02 |
| 7540909 | Ink composition, ink cartridge, recording method, and recorded product | Hidefumi Maruyama, Kazuhiko Kitamura | 2009-06-02 |
| 7540911 | Ink composition, ink set, ink cartridge using the ink composition, inkjet recording method and recorded material | Hidefumi Maruyama | 2009-06-02 |
| 7465347 | Yellow ink composition, ink set, ink cartridge, inkjet recording method, and recorded matter | Kazuhiko Kitamura | 2008-12-16 |
| 7416592 | Magenta ink composition, ink set, ink cartridge, inkjet recording method and recorded product | Kazuhiko Kitamura, Hiroshi Fukumoto | 2008-08-26 |