Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993543 | Refrigerating machine oil for carbon dioxide refrigerant | Kazuo Tagawa, Ken Sawada, Yuji Shimomura, Katsuya Takigawa, Masataka Negishi | 2011-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993543 | Refrigerating machine oil for carbon dioxide refrigerant | Kazuo Tagawa, Ken Sawada, Yuji Shimomura, Katsuya Takigawa, Masataka Negishi | 2011-08-09 |