Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926458 | Ball-point pen refill | Kiyoshi Fujisawa | 2005-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926458 | Ball-point pen refill | Kiyoshi Fujisawa | 2005-08-09 |