Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8257144 | Neck portion grinding apparatus and grinding device employed in the neck portion grinding apparatus | Wataru Aoki, Masakazu Nakamura, Yasuo Hamatake, Jiro Osawa, Tamotsu Nagai | 2012-09-04 |