Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10836973 | Freezer oil, composition for freezers, freezer, and method for selecting freezer oil | — | 2020-11-17 |
| 10781396 | Refrigerator lubricating oil and mixed composition for refrigerator | — | 2020-09-22 |
| 10662392 | Lubricating oil composition for refrigerator, composition for refrigerator, lubricating method, and refrigerator | So NAKAJIMA, Tetsuhiko Fukanuma, Ryo Matsubara, Yuki Yokoi | 2020-05-26 |
| 10557103 | Refrigerator lubricating oil and mixed composition for refrigerator | Takahiro Hoshida | 2020-02-11 |
| 10544380 | Refrigerator lubricating oil and mixed composition for refrigerator | — | 2020-01-28 |