Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871316 | Passage opening and closing device | Ryouji Hori, Hiroyuki Satoh | 2011-01-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871316 | Passage opening and closing device | Ryouji Hori, Hiroyuki Satoh | 2011-01-18 |