Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7481524 | Ink for inkjet recording, method of inkjet recording, ink cartridge and inkjet recording apparatus | Tomoya Yamamoto, Hitoshi Inoue, Yukiko Tachibana, Takayuki Ookawa | 2009-01-27 |
| 7328991 | Ink and ink-applying process and apparatus using the same | Koichi Sato, Ikuo Nakazawa, Sakae Suda, Masayuki Ikegami, Takayuki Okawa | 2008-02-12 |
| 7232211 | Inkjet recording ink, inkjet recording method, ink cartridge, and inkjet recording system | Tomoya Yamamoto, Yukiko Tachibana, Hitoshi Inoue, Ryoji Yashiro, Takayuki Ookawa | 2007-06-19 |
| 7216965 | Inkjet printer ink | Takayuki Ookawa, Tomoya Yamamoto, Yukiko Tachibana, Hitoshi Inoue | 2007-05-15 |