Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329327 | Lubricant and lubricating composition | Noriyoshi Tanaka, Kazuhisa Morita, Atsuo Miyashita, Kazuhiro Umehara, Yoko Saito | 2001-12-11 |
| 6268316 | Lubricating composition | Noriyoshi Tanaka, Kazuhisa Morita, Yoko Saito, Atsuo Miyashita | 2001-07-31 |
| 5858931 | Lubricating composition | Noriyoshi Tanaka, Yukio Tatsumi, Kazuhisa Morita, Yoko Saito | 1999-01-12 |
| 5716913 | Metal working oil composition and method of working metal | Yasuyoshi Yamamoto, Haruyo Inaba, Michiyoshi Sugioka | 1998-02-10 |
| 5696065 | Engine oil composition | Noriyoshi Tanaka, Yukio Tatsumi, Kazuhisa Morita, Yoko Saito | 1997-12-09 |
| 5631213 | Process for producing molybdenum oxysulfide dithiocarbamate | Noriyoshi Tanaka, Yukio Tatsumi, Kazuhisa Morita, Yoko Saito | 1997-05-20 |
| 5627146 | Lubricating oil composition | Noriyoshi Tanaka, Yukio Tatsumi, Yoko Saito | 1997-05-06 |
| 5612297 | Powdery molybdenum oxysulfide dithiocarbamate composition, a process for producing same, and a grease composition containing the composition | Tamiji Kamakura, Noriyoshi Tanaka, Yukio Tatsumi, Kazuhisa Morita | 1997-03-18 |
| 5494608 | Powdery molybdenum oxysulfide dithiocarbamate composition, a process for producing same, and a grease composition containing the composition | Tamiji Kamakura, Noriyoshi Tanaka, Yukio Tatsumi, Kazuhisa Morita | 1996-02-27 |
| 4692256 | Molybdenum-containing lubricant composition | Masashi Umemura, Masanori Konishi, Junichi Hisano, Toshiaki Okamoto | 1987-09-08 |