Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9255237 | Lubricating oil additive composition and method for improving storage stability of lubricating oil additive composition | Yukiya Moriizumi, Shinji Iino | 2016-02-09 |
| 8722597 | Lubricating oil composition for internal combustion engine | Kenji Yamamoto | 2014-05-13 |
| 8071801 | Phosphorus molybdenum compound and method for producing same | Kazuhiro Umehara, Kenji Yamamoto | 2011-12-06 |
| 8012916 | Phosphorus-molybdenum compound, method for producing same and lubricant additive and lubricant composition containing the compound | Yukiya Moriizumi, Kazuhiro Umehara | 2011-09-06 |
| 6465399 | Lubricant composition | Naomi Koishikawa | 2002-10-15 |
| 6379581 | Lubricated refrigerant composition containing fluorocarbon-type refrigerant, synthetic oil and molybdenumoxysulfide derivatives | Tamiji Kamakura, Noriyoshi Tanaka, Kimiyoshi Namiwa, Masato Namiki | 2002-04-30 |
| 6245725 | Lubricating compositions | Noriyoshi Tanaka, Yoko Saito, Atsuo Miyashita | 2001-06-12 |
| 6217791 | Refrigerant incorporating a polyoxyalkylene glycol monomethylether | Tamiji Kamakura, Noriyoshi Tanaka, Yuji Baba, Kimiyoshi Namiwa, Masato Namiki | 2001-04-17 |
| 5858931 | Lubricating composition | Noriyoshi Tanaka, Aritoshi Fukushima, Kazuhisa Morita, Yoko Saito | 1999-01-12 |
| 5696065 | Engine oil composition | Noriyoshi Tanaka, Aritoshi Fukushima, Kazuhisa Morita, Yoko Saito | 1997-12-09 |
| 5631213 | Process for producing molybdenum oxysulfide dithiocarbamate | Noriyoshi Tanaka, Aritoshi Fukushima, Kazuhisa Morita, Yoko Saito | 1997-05-20 |
| 5627146 | Lubricating oil composition | Noriyoshi Tanaka, Aritoshi Fukushima, Yoko Saito | 1997-05-06 |
| 5620950 | Lubricated refrigerant composition containing alicyclic epoxy compounds | Tamiji Kamakura, Noriyoshi Tanaka, Kimiyoshi Namiwa, Masato Namiki | 1997-04-15 |
| 5612297 | Powdery molybdenum oxysulfide dithiocarbamate composition, a process for producing same, and a grease composition containing the composition | Tamiji Kamakura, Noriyoshi Tanaka, Aritoshi Fukushima, Kazuhisa Morita | 1997-03-18 |
| 5498356 | Refrigerant composition containing carbodiimide | Tamiji Kamakura, Noriyoshi Tanaka, Kimiyoshi Namiwa, Masato Namiki, Hideo Yokobori | 1996-03-12 |
| 5494608 | Powdery molybdenum oxysulfide dithiocarbamate composition, a process for producing same, and a grease composition containing the composition | Tamiji Kamakura, Noriyoshi Tanaka, Aritoshi Fukushima, Kazuhisa Morita | 1996-02-27 |