Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878200 | Mortar or concrete composition | Masafumi Kikuchi, Akio Koyama, Masahiko Minemura, Akira Yamamoto | 2005-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878200 | Mortar or concrete composition | Masafumi Kikuchi, Akio Koyama, Masahiko Minemura, Akira Yamamoto | 2005-04-12 |