Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11708669 | Road paving method | Ryoichi Hashimoto | 2023-07-25 |
| 11466156 | Asphalt composition | Hiromichi Takahashi, Ryoichi Hashimoto, Eiji Shirai | 2022-10-11 |
| 11168215 | Asphalt composition | Ryoichi Hashimoto | 2021-11-09 |
| 9943903 | Binder composition for making self-hardening foundry molds, and method of producing foundry mold using the same | Akira Yoshida | 2018-04-17 |