Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094764 | Method for supplying a lubricating oil composition | Hiroshi Kuwamoto, Yoshihiro Sakaguchi, Yasuhiro Nakagawa | 1992-03-10 |
| 4985158 | Lubricating oil composition and method for supplying same | Hiroshi Kuwamoto, Yoshihiro Sakaguchi, Yasuhiro Nakagawa | 1991-01-15 |
| 4970011 | Lubricating oil useful in the rolling of metal and a method for supplying the same | Hiroshi Kuwamoto, Yoshihiro Sakaguchi, Yasuhiro Nakagawa | 1990-11-13 |
| 4958998 | Glasslike carbon composite material and method of preparing the same | Michihide Yamauchi, Masanobu Wakasa, Atsushi Ishikawa | 1990-09-25 |
| 4797183 | Electroplated composite of zinc and organic polymer | Yuzo Yamamoto, Kozo Kitazawa | 1989-01-10 |
| 4769178 | Cold-rolling lube oil for metallic materials | Kazuhito Kenmochi, Hideo Abe, Toru Sasaki, Koichi Ito, Takeshi Yoshimoto +1 more | 1988-09-06 |
| 4746448 | Cold rolling oil for steels | Kazuhito Kenmochi, Hideo Abe, Toru Sasaki, Takeshi Yoshimoto, Hiroyuki Matsuda | 1988-05-24 |
| 4693839 | Metal rolling oil composition | Hiroshi Kuwamoto, Shuichi Iwadoo, Yuji Okami, Yasuhiro Nakagawa | 1987-09-15 |
| 4664823 | Metal-working oil composition | Hiroshi Kuwamoto, Takashi Mukai, Shuichi Iwado | 1987-05-12 |
| 4663061 | Metal-working oil composition | Hiroshi Kuwamoto, Takashi Mukai, Shuichi Iwado, Yoshihiro Sakaguchi | 1987-05-05 |
| 4650595 | Metal working water-soluble lubricant composition and method of feeding same | Takashi Mukai, Rikio Tsushima, Hiroshi Kuwamoto, Shuichi Iwado, Takeru Sharyo | 1987-03-17 |
| 4637885 | Metal-working oil composition | Hiroshi Kuwamoto, Takashi Mukai, Shuichi Iwado | 1987-01-20 |
| 4626367 | Water-soluble metal-working lubricant composition | Hiroshi Kuwamoto, Takashi Mukai, Shuichi Iwado | 1986-12-02 |