Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11802181 | Di-amine compound, and heat-resistant resin and resin composition using the same | Ryoji Okuda | 2023-10-31 |
| 11597056 | Apparatus and method for assisting grinding machine | Toru KAWAHARA, Shinji Murakami | 2023-03-07 |