Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11045889 | Thread milling cutter and internal pipe thread machining method using the same | Mitsuhiro Yokokawa | 2021-06-29 |
| 10940553 | Screw thread cutter | Mitsuhiro Yokokawa | 2021-03-09 |