Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11254890 | Lubricant composition | Ryuji Maruyama, Kenji Ohara, Keiichi Moriki, Misato Kishi, Kotaro Hiraga +1 more | 2022-02-22 |
| 11220651 | Reciprocating-type compressor oil | Mai Kitagawa, Hiroshi Kaneko | 2022-01-11 |