Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9821358 | Method and apparatus for forming elliptical hollow cylinder | Dai Kawashima, Shinji Hioki | 2017-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9821358 | Method and apparatus for forming elliptical hollow cylinder | Dai Kawashima, Shinji Hioki | 2017-11-21 |