Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638052 | Drilling apparatus for flexible sheet made of thick thermoplastic material | Akio Yunoki, Yutaka Yokoyama, Makoto Yamazaki | 2003-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638052 | Drilling apparatus for flexible sheet made of thick thermoplastic material | Akio Yunoki, Yutaka Yokoyama, Makoto Yamazaki | 2003-10-28 |