Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422692 | Ink cartridge | Atsushi Yamazaki | 2002-07-23 |
| 6412933 | Ink cartridge device | Shunji Umemura | 2002-07-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422692 | Ink cartridge | Atsushi Yamazaki | 2002-07-23 |
| 6412933 | Ink cartridge device | Shunji Umemura | 2002-07-02 |