Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787025 | Thermochromic writing tool | — | 2020-09-29 |
| 7527448 | Writing implement with clip | Toshihiro Ono, Norio Moriyama | 2009-05-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787025 | Thermochromic writing tool | — | 2020-09-29 |
| 7527448 | Writing implement with clip | Toshihiro Ono, Norio Moriyama | 2009-05-05 |