Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667285 | Lubricating oil for refrigerator, hydraulic fluid composition for refrigerator and method for lubricating of refrigerator | Kouji Takahashi, Hirotaka Tomizawa | 2003-12-23 |