Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797319 | Glazed cement product and method for manufacturing thereof | Shigeo Yoshida, Satoshi Kitagawa, Shozo Harada, Manabu Hasegawa | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797319 | Glazed cement product and method for manufacturing thereof | Shigeo Yoshida, Satoshi Kitagawa, Shozo Harada, Manabu Hasegawa | 1989-01-10 |