Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D599256 | Stair-climbing chair | Masaru Muranaka, Chiaki Murata | 2009-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D599256 | Stair-climbing chair | Masaru Muranaka, Chiaki Murata | 2009-09-01 |