Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436399 | Thermoplastic polyurethane derived from polytetramethylene carbonate diol | Masaoki Koyama, Tomonari Watanabe, Kenzou Kawai | 1995-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436399 | Thermoplastic polyurethane derived from polytetramethylene carbonate diol | Masaoki Koyama, Tomonari Watanabe, Kenzou Kawai | 1995-07-25 |