Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487620 | Method of extracting underground resources and hydrolysis-blocking agent for use in the method | Seishi Yoshikawa | 2019-11-26 |
| 10385171 | Powder comprising hydrolyzable resin particles | Seishi Yoshikawa, Toshiki Yamada | 2019-08-20 |