Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478495 | Capless writing instrument | Kazuhiro Ami, Yukinori Sawa | 2002-11-12 |
| 6474893 | Writing instrument having excellent cap-off performance | Kazuhiro Ami | 2002-11-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478495 | Capless writing instrument | Kazuhiro Ami, Yukinori Sawa | 2002-11-12 |
| 6474893 | Writing instrument having excellent cap-off performance | Kazuhiro Ami | 2002-11-05 |