Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354877 | Demolition agent, its preparation and its use | Toshio Kawano, Koichi Soeda, Jyunichiro Migita | 1982-10-19 |
| 4316583 | Demolition agent for brittle materials | Toshio Kawano | 1982-02-23 |