Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D484530 | Ink bottle | Katsumi Sugata, Akira Yamamoto, Noriko Yokoyama, Kyoichi Inoue | 2003-12-30 |
| D482390 | Cap for ink bottle | Noriko Yokoyama | 2003-11-18 |
| 6550894 | Ink bottle | Masao Shionoya, Nobuyuki Koyama | 2003-04-22 |
| D472918 | Ink bottle with a cap | Noriko Yokoyama | 2003-04-08 |
| D472920 | Ink bottle | — | 2003-04-08 |
| D471584 | Ink bottle | Katsumi Sugata, Akira Yamamoto, Noriko Yokoyama, Kyoichi Inoue | 2003-03-11 |