Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7128487 | Mechanical pencil | Shigeki Maruyama, Hidetoshi Kodama | 2006-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7128487 | Mechanical pencil | Shigeki Maruyama, Hidetoshi Kodama | 2006-10-31 |