Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11724321 | Hole drilling machine and method for drilling oval hole and inner-diameter-changing hole by means of hole drilling machine | Munehiro Murakami, Toshio Suzuki, Taketo Nakamura, Kazushige Morozumi, Tatsunori Sato +1 more | 2023-08-15 |