Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11673346 | Manufacturing method of resin frame | Koji Matsuda, Isao Kobayashi | 2023-06-13 |
| 11167501 | Resin frame and fitting | Koji Matsuda, Isao Kobayashi | 2021-11-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11673346 | Manufacturing method of resin frame | Koji Matsuda, Isao Kobayashi | 2023-06-13 |
| 11167501 | Resin frame and fitting | Koji Matsuda, Isao Kobayashi | 2021-11-09 |