Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10233402 | Pressure medium oil and method for using said pressure medium oil | Shinji Aoki, Keizo Murata | 2019-03-19 |
| 9637804 | Heat treating oil composition | Kenro Noguchi, Masayuki Kato, Katsumi Ichitani, Masahiro Yamada, Norihiro Takasaki | 2017-05-02 |
| 7993473 | Heat treatment oil composition | Katsumi Ichitani, Makoto Takeishi, Yasuyuki Fujiwara, Yoshimi Aoyama | 2011-08-09 |
| 5908816 | Metal working oil composition | Komei Matsumoto | 1999-06-01 |