Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662392 | Lubricating oil composition for refrigerator, composition for refrigerator, lubricating method, and refrigerator | So NAKAJIMA, Masato Kaneko, Ryo Matsubara, Yuki Yokoi | 2020-05-26 |