Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435641 | Refrigerator lubricating oil and mixed composition for refrigerator | Masato Kaneko, Takahiro Hoshida | 2019-10-08 |
| 10351794 | Lubricating oil composition | Shinji Aoki | 2019-07-16 |