Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10088013 | Manufacturing method for multi-layered ring | Akira Takashima, Takeshi Umeda | 2018-10-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10088013 | Manufacturing method for multi-layered ring | Akira Takashima, Takeshi Umeda | 2018-10-02 |