Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083965 | Refrigerating machine oil | Kazuo Tagawa | 2011-12-27 |
| 7993543 | Refrigerating machine oil for carbon dioxide refrigerant | Kazuo Tagawa, Ken Sawada, Yuji Shimomura, Jiro Hashimoto, Masataka Negishi | 2011-08-09 |
| 7959824 | Refrigerating machine oil composition | Kazuo Tagawa | 2011-06-14 |