Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11485803 | Method for deodorizing hydrogenated petroleum resin, and method for producing hydrogenated petroleum resin | Tomoki Hayashi, Yoshikazu Iijima | 2022-11-01 |
| 11220563 | Production method for hydrogenated petroleum resin | Yoshikazu Iizima, Tomoki Hayashi | 2022-01-11 |