Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431562 | Hydrogen-containing silicic substance, process for producing the same and use thereof | Akio Hiraki, Takeshi Imura | 1984-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431562 | Hydrogen-containing silicic substance, process for producing the same and use thereof | Akio Hiraki, Takeshi Imura | 1984-02-14 |