Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7776132 | Molten metal treatment, method for treating molten metal, and apparatus and method for feeding cover gas to molten metal | Yuji Nomura, Hidetoshi Ohta, Shoji Sekihara | 2010-08-17 |
| 7776134 | Molten metal treatment, method for treating molten metal, and apparatus and method for feeding cover gas to molten metal | Yuji Nomura, Hidetoshi Ohta, Shoji Sekihara | 2010-08-17 |
| 7550027 | Method for supplying cover gas | Yuji Nomura, Hidetoshi Ohta | 2009-06-23 |
| 5730783 | Ozone concentrating process | Nobuhiko Takahashi, Shigeyuki Yamamoto | 1998-03-24 |
| 5603456 | Liquid fuel burner | Takamasa Akimoto, Masaki Fujiwara, Kimio Iino, Hiroshi Igarashi | 1997-02-18 |