Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7923897 | Sonic fine-hole forming apparatus | Katsuro Tachibana | 2011-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7923897 | Sonic fine-hole forming apparatus | Katsuro Tachibana | 2011-04-12 |