Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725551 | Aromatic hydrocarbon formaldehyde resin, modified aromatic hydrocarbon formaldehyde resin and epoxy resin, and method for producing these | Atsushi Okoshi | 2017-08-08 |
| 9562130 | Aromatic hydrocarbon formaldehyde resin, modified aromatic hydrocarbon formaldehyde resin and epoxy resin, and methods for producing these | Atsushi Okoshi | 2017-02-07 |