Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931415 | Knock-type writing instrument having a shock-relaxing device | Hisami Tamano | 2011-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931415 | Knock-type writing instrument having a shock-relaxing device | Hisami Tamano | 2011-04-26 |