Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364684 | Writing instrument | Takahiko Shimizu, Kenji Takahashi, Hishao Fukui, Akio Okubo, Noriaki Masuda | 1982-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364684 | Writing instrument | Takahiko Shimizu, Kenji Takahashi, Hishao Fukui, Akio Okubo, Noriaki Masuda | 1982-12-21 |