Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902349 | Asphalt/polyol emulsion and process for preparation thereof | Hiraku Hayasaka, Kazuki Hashimoto, Kentaro Shiojiri, Toshiaki Suzuki | 1990-02-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902349 | Asphalt/polyol emulsion and process for preparation thereof | Hiraku Hayasaka, Kazuki Hashimoto, Kentaro Shiojiri, Toshiaki Suzuki | 1990-02-20 |