Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435747 | Double ended direct-feed type writing implement | Kazuhiko Furukawa, Hiroaki Koyama, Takeshi Kobayashi, Yojiro Sano | 2002-08-20 |
| 6340259 | Direct-feed type writing implement | Kazuhiko Furukawa | 2002-01-22 |