Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677611 | Low friction lubrication assembly | Jean Michel Martin, Makoto Kano, Masahiko Watanabe, Yutaka Mabuchi | 2017-06-13 |
| 8901052 | Transmission oil composition for automobile | Takafumi Ueno, Hisayuki Wada, Tooru Aoki | 2014-12-02 |
| 8422339 | Low friction lubrication assembly | Jean Michel Martin, Makoto Kano, Masahiko Watanabe, Yutaka Mabuchi | 2013-04-16 |
| 7607414 | Member for internal combustion engine and production method thereof | Seiji Kamada, Hiroshi Kumagai, Midori Kondou, Kenji Kikuchi, Yutaka Mabuchi +1 more | 2009-10-27 |
| 7307048 | Transmission oil composition for automobile | Takafumi Ueno, Hisayuki Wada, Tooru Aoki | 2007-12-11 |