Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7364227 | Movable roof opening-closing structure | Yoshiyasu Ito, Hiroyuki Tsukamoto, Michio Tamura, Akihiko Kuribayashi | 2008-04-29 |
| D281512 | Nib for a fountain pen | — | 1985-11-26 |