Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890114 | Urea synthesis method | Masashi Takahashi | 2018-02-13 |
| 7347903 | Duplex stainless steel for urea manufacturing plants | Yoshimi Yamadera | 2008-03-25 |
| 6564990 | Method of welding high chromium austenitic stainless steel pipe and shielding gas mixture for welding | Toshitsugu Fukai | 2003-05-20 |