Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D453023 | Crawler drill | Tsutomu Kaneko, Kazuya Goto, Takahiro Yamamoto | 2002-01-22 |
| D413907 | Crawler drill | Toshio Suzaki, Kazuya Goto | 1999-09-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D453023 | Crawler drill | Tsutomu Kaneko, Kazuya Goto, Takahiro Yamamoto | 2002-01-22 |
| D413907 | Crawler drill | Toshio Suzaki, Kazuya Goto | 1999-09-14 |