Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803155 | Lubricating oil composition, and sliding mechanism using lubricating oil composition | Hiroaki Koshima, Yoko Ogahara, Masanori Tsujioka, Koji Miyake | 2017-10-31 |
| 9593291 | Lubricating oil composition, and sliding mechanism using lubricating oil composition | Yoko Ogahara, Hiroaki Koshima, Masanori Tsujioka, Koji Miyake | 2017-03-14 |