Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713521 | Method of preparing rigid polyurethane foam and composition of rigid polyurethane foam | Takuya Matsumoto, Keiji Ono, Takehiro Shimizu | 2004-03-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713521 | Method of preparing rigid polyurethane foam and composition of rigid polyurethane foam | Takuya Matsumoto, Keiji Ono, Takehiro Shimizu | 2004-03-30 |