Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886533 | Gas filter | Kimiaki Sakashita, Hideo Tsukazaki | 1989-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886533 | Gas filter | Kimiaki Sakashita, Hideo Tsukazaki | 1989-12-12 |