Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787022 | Writing utensil with pressurizing mechanism | Tomoaki Koide | 2020-09-29 |
| 9914322 | Writing utensil with retract piece | — | 2018-03-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787022 | Writing utensil with pressurizing mechanism | Tomoaki Koide | 2020-09-29 |
| 9914322 | Writing utensil with retract piece | — | 2018-03-13 |