Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9012380 | Lubricant base oil, lubricant composition for internal combustion engine and lubricant composition for driving force transmitting device | Takashi Sano, Hitoshi Komatsubara, Hisayuki Wada, Osamu Kurosawa, Masaaki Itou +6 more | 2015-04-21 |
| 8754016 | Lubricant base oil, method for production thereof, and lubricant oil composition | Kazuo Tagawa, Masahiro Taguchi | 2014-06-17 |
| 8735335 | Base oil for hydraulic oil and composition using the same | Tooru Aoki, Mitsuaki Ishimaru | 2014-05-27 |
| 8603953 | Operating oil for buffer | Tooru Aoki, Kazuo Tagawa | 2013-12-10 |
| 8394745 | Lube base oil, process for production thereof, and lubricating oil composition | Takashi Sano, Kazuo Tagawa, Kenichi Komiya, Shigeki Matsui, Osamu Kurosawa | 2013-03-12 |
| 8227384 | Lubricant base oil, method for production thereof, and lubricant oil composition | Kazuo Tagawa, Masahiro Taguchi | 2012-07-24 |
| 8227385 | Lubricant base oil, method for production thereof, and lubricant oil composition | Kazuo Tagawa, Masahiro Taguchi | 2012-07-24 |
| 8105990 | Lube base oil, lubricating oil composition for internal combustion engine, and lubricating oil composition for drive transmission device | Masahiro Taguchi, Kazuo Tagawa, Takashi Sano, Shozaburo Konishi, Shigeki Matsui +1 more | 2012-01-31 |
| 7838709 | Lubricating base oil and lubricating oil composition | Shigeki Matsui, Akira Yaguchi, Kazuo Tagawa | 2010-11-23 |
| 7759293 | Hydraulic oil composition for shock absorbers | Toru Aoki, Naozumi Arimoto | 2010-07-20 |
| 6828286 | Lubricant compositions | Kenichi Komiya, Naozumi Arimoto, Noboru Ishida, Eitaro Morita | 2004-12-07 |
| 6806242 | Low-friction sliding mechanism | Shozaburo Konishi, Makoto Kano, Yoshiteru Yasuda, Tokio Sakane | 2004-10-19 |
| 6638417 | Traction drive fluid | Noboru Ishida, Tetsuo Okawa, Shigeki Matsui | 2003-10-28 |
| 6320088 | Traction drive fluid | Mitsuo Matsuno, Tetsuo Okawa | 2001-11-20 |
| 6242393 | Traction drive fluid | Noboru Ishida, Junya Kohno, Tetsuo Okawa | 2001-06-05 |
| 6191330 | Traction drive fluid | Mitsuo Matsuno, Tetsuo Okawa, Takashi Kiyota | 2001-02-20 |