Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6503966 | Gelled non-aqueous ball point pen ink for forming drawn line approximate to that of aqueous ball point pen and ball point using the ink | Takeshi Fujii, Kahori Funabashi | 2003-01-07 |