Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9487726 | Imide compound, method for producing same, thickening agent for grease, and grease composition | Kentaro Yamaguchi, Miki Fujiwara, Ryuichi Ueno | 2016-11-08 |
| 9150810 | Lubricating oil additive and lubricating oil composition | Yasushi Onumata | 2015-10-06 |
| 9012380 | Lubricant base oil, lubricant composition for internal combustion engine and lubricant composition for driving force transmitting device | Takashi Sano, Hitoshi Komatsubara, Hisayuki Wada, Masaaki Itou, Shigeki Matsui +6 more | 2015-04-21 |
| 8728997 | Lubricating oil composition | Masaaki Itou, Masato Takahashi | 2014-05-20 |
| 8394745 | Lube base oil, process for production thereof, and lubricating oil composition | Takashi Sano, Shinichi Shirahama, Kazuo Tagawa, Kenichi Komiya, Shigeki Matsui | 2013-03-12 |
| 8105990 | Lube base oil, lubricating oil composition for internal combustion engine, and lubricating oil composition for drive transmission device | Shinichi Shirahama, Masahiro Taguchi, Kazuo Tagawa, Takashi Sano, Shozaburo Konishi +1 more | 2012-01-31 |
| 7704928 | Lubricating oil composition for manual transmission | Masato Takahashi, Toru Matsuoka, Kazuo Yamamori, Koji Saito, Tetuzo Yoneda +2 more | 2010-04-27 |
| 6569819 | Lubricant compositions | Kazuhiro Yagishita, Jinichi Igarashi | 2003-05-27 |
| 6306801 | Lubricating oil composition comprising acylated bissuccinimide, zinc dithiophosphate and metallic detergent | Kazuhiro Yagishita, Yoko Matsuyama | 2001-10-23 |