Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12222344 | Method for using lubricating oil composition and method for evaluating degradation | Tatsuya KUSUMOTO | 2025-02-11 |
| 11390825 | Dispersing agent for lubricating oil, method for producing same, and lubricating oil composition | Hiroaki Koshima, Yoriyuki Takashima | 2022-07-19 |
| 11312917 | Mineral base oil, lubricant composition, internal combustion engine, lubricating method of internal combustion engine | Norihiro Kuroda, Hisao Anzai | 2022-04-26 |
| 11130927 | Lubricating oil composition for two wheeled vehicle, method for improving fuel economy of two wheeled vehicle using the lubricating oil composition, and method for producing the lubricating oil composition | Naoto HORITA, Tsukasa Yamagishi | 2021-09-28 |
| 10883062 | Mineral oil-based base oil, lubricating oil composition, equipment, lubricating method, and grease composition | Shinji Aoki, Asami KOGA | 2021-01-05 |
| 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 |
| 9321981 | Lubricating oil composition for internal combustion engine | — | 2016-04-26 |
| 7820599 | Lubricating oil composition | — | 2010-10-26 |
| 7803745 | Lubricant composition | — | 2010-09-28 |