Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667281 | Grease composition | Syouzou Ikejima, Yasuyuki Wakahara, Kiyomi Sakamoto | 2003-12-23 |
| 6432889 | Grease composition | Kiyomi Sakamoto | 2002-08-13 |
| 6339049 | Grease compositions and bearings sealed therewith | Hiroshi Funahashi, Yoshio Taki, Yoshiyuki Honjo, Tomonori Kaneko, Kiyomi Sakamoto | 2002-01-15 |
| 6063740 | Grease composition for rolling bearings | Kiyomi Sakamoto | 2000-05-16 |
| 6020290 | Grease composition for rolling bearing | Takashi Takata, Kazuo Azuma, Souichi Nomura, Fumihiro Itano | 2000-02-01 |
| 5728659 | Grease compositions for rolling bearing | Michiharu Naka, Atsushi Yokouchi, Hideki Koizumi, Kenichi Iso, Souichi Nomura +1 more | 1998-03-17 |
| 5569643 | Grease composition for constant velocity joint | Souichi Nomura, Masaru Mishima | 1996-10-29 |
| 5512188 | Grease composition for constant velocity joint comprising boron nitride powder and zinc dithiophosphate | Souichi Nomura, Masaru Mishima | 1996-04-30 |
| 5462683 | Grease composition for constant velocity joint | Souichi Nomura, Masaru Mishima | 1995-10-31 |
| 5462684 | Grease composition containing alkyl diphenyl ether oil and diurea thickener | Michiharu Naka, Hideki Koizumi, Yuzo Takahashi, Masaru Mishima | 1995-10-31 |
| 5145591 | Diurea grease composition | Makoto Sekiya, Masaru Mishima | 1992-09-08 |
| 5059336 | Grease composition for high speed anti-friction bearing | Michiharu Naka, Hideki Koizumi, Yukari Kondoh, Mokoto Seikiya, Masaru Mishima | 1991-10-22 |
| 5043085 | Grease composition containing urea, urea-urethane, or urethane thickeners | Makoto Sekiya, Masaru Mishima | 1991-08-27 |
| 5015404 | Oil composition containing hydrogenated oil | Junichi Kubo, Nobuo Yokoyama | 1991-05-14 |
| 4915860 | Urea-urethane grease composition | Makoto Sekiya, Masaru Mishima | 1990-04-10 |
| 4780231 | Diurea grease composition | Masaru Mishima, Makoto Sekiya, Koji Oyama | 1988-10-25 |