Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453516 | Clip mounting structure | — | 2002-09-24 |
| 6447193 | Writing utensils | Osamu Takahashi | 2002-09-10 |
| 6390707 | Knocking writing utensil | Yoshio Noguchi | 2002-05-21 |
| 6382859 | Double chuck type mechanical pencil and internal writing mechanism thereof | Yoshio Noguchi | 2002-05-07 |
| 6379067 | Double-chuck mechanical pencil | Yoshihide Mitsuya, Tadayoshi Ebinuma | 2002-04-30 |