Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D485858 | Ink bottle | Akira Yamamoto, Fumihiro Ueno, Noriko Yokoyama, Kyoichi Inoue | 2004-01-27 |
| D484530 | Ink bottle | Akira Yamamoto, Fumihiro Ueno, Noriko Yokoyama, Kyoichi Inoue | 2003-12-30 |
| D471584 | Ink bottle | Akira Yamamoto, Fumihiro Ueno, Noriko Yokoyama, Kyoichi Inoue | 2003-03-11 |