Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083341 | Thermal ink-jet ink and ink cartridge using the ink | Hideki Yamakami | 2011-12-27 |
| 8070871 | Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus | Minako Kawabe, Kumiko Mafune, Hideki Yamakami, Satomi Yanagimachi | 2011-12-06 |
| 8029612 | Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus | Mitsuru Ishii, Daiji Okamura, Hideki Yamakami, Satoshi Kudo, Otome Mori | 2011-10-04 |
| 8025722 | Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Minako Kawabe | 2011-09-27 |
| 7883185 | Thermal ink-jet ink and ink cartridge using the same | Hideki Yamakami | 2011-02-08 |
| 7866809 | Mailing ink, and ink tank for mailing, ink jet recording method for mailing and ink jet recording apparatus for mailing using the same | Hideki Yamakami, Masako Udagawa | 2011-01-11 |