Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11613663 | Ink composition, writing tool and method for producing ink composition | Katsuji Arisawa, Hirohisa Suzuki, Hiroyuki Saitou | 2023-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11613663 | Ink composition, writing tool and method for producing ink composition | Katsuji Arisawa, Hirohisa Suzuki, Hiroyuki Saitou | 2023-03-28 |