Issued Patents All Time
Showing 1–2 of 2 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 | Toshio Suzuki, Taketo Nakamura, Kazushige Morozumi, Tatsunori Sato, Yuya Masuda +1 more | 2023-08-15 |
| 11154939 | Hole drilling machine and method for drilling oval hole and inner-diameter-changing hole by means of hole drilling machine | Toshio Suzuki, Taketo Nakamura, Kazushige Morozumi, Tatsunori Sato, Yuya Masuda +1 more | 2021-10-26 |