Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372855 | Treatment of inorganic building materials | Keishi Hamada, Shigemasa Otani, Kanemasa Nomaguchi, Tomiguyu Murakami, Sadayoshi Iijima | 1994-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372855 | Treatment of inorganic building materials | Keishi Hamada, Shigemasa Otani, Kanemasa Nomaguchi, Tomiguyu Murakami, Sadayoshi Iijima | 1994-12-13 |