Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4204297 | Vacuum cleaner | Ryuichi Yasunaga, Shinya Tsutsumi | 1980-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4204297 | Vacuum cleaner | Ryuichi Yasunaga, Shinya Tsutsumi | 1980-05-27 |