Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871596 | Artificial marble | Masaya Suzuki, Yoshinori Obata, Masaaki Watanabe, Isao Matsuoka | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871596 | Artificial marble | Masaya Suzuki, Yoshinori Obata, Masaaki Watanabe, Isao Matsuoka | 1989-10-03 |