Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467732 | Rotary blade of helicopter | Masahiro Obukata | 2002-10-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467732 | Rotary blade of helicopter | Masahiro Obukata | 2002-10-22 |