Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7771526 | Ink jet aqueous ink, ink jet recording method, ink cartridge and ink jet recording apparatus | Tomoya Yamamoto, Suzuka Ueno | 2010-08-10 |
| 7481524 | Ink for inkjet recording, method of inkjet recording, ink cartridge and inkjet recording apparatus | Tomoya Yamamoto, Hitoshi Inoue, Takayuki Ookawa, Junko Morioka | 2009-01-27 |
| 7481525 | Ink-jet water-based ink, ink-jet recording method, ink cartridge and ink-jet recording apparatus | Tomoya Yamamoto, Suzuka Ueno | 2009-01-27 |
| 7232211 | Inkjet recording ink, inkjet recording method, ink cartridge, and inkjet recording system | Tomoya Yamamoto, Hitoshi Inoue, Ryoji Yashiro, Takayuki Ookawa, Junko Morioka | 2007-06-19 |
| 7216965 | Inkjet printer ink | Junko Morioka, Takayuki Ookawa, Tomoya Yamamoto, Hitoshi Inoue | 2007-05-15 |