Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D667882 | Ballpoint pen | Masanao Shiina | 2012-09-25 |
| D660911 | Ballpoint pen | — | 2012-05-29 |
| D647137 | Ballpoint pen | — | 2011-10-18 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D667882 | Ballpoint pen | Masanao Shiina | 2012-09-25 |
| D660911 | Ballpoint pen | — | 2012-05-29 |
| D647137 | Ballpoint pen | — | 2011-10-18 |