Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838723 | Flexible pen nib for writing purposes | Churyo Suzuki, Kozo Ando | 1989-06-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838723 | Flexible pen nib for writing purposes | Churyo Suzuki, Kozo Ando | 1989-06-13 |