Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8394749 | Pressure medium oil | Shoji Aoyama, Keizo Murata, Tahei Okada | 2013-03-12 |
| 7531488 | Lubricating oil for refrigerator with compressor | Yasuhiro Kawaguchi, Nobuaki Shimizu, Masato Kaneko | 2009-05-12 |
| 7517839 | Lubricating oil for refrigerator with compressor | Yasuhiro Kawaguchi, Nobuaki Shimizu, Masato Kaneko | 2009-04-14 |
| RE39382 | Lubricating oil composition for high-temperature use | Hideto Kamimura | 2006-11-07 |
| 6878677 | Refrigerating machine oil compositions | Shuichi Sakanoue, Masahiko Takesue, Youichiro Jido, Minoru Takagi, Shoichi Tominaga | 2005-04-12 |
| 6475405 | Lubricating oil for refrigerator with compressor | Yasuhiro Kawaguchi, Nobuaki Shimizu, Masato Kaneko | 2002-11-05 |
| 6465400 | Lubricating oil composition for high-temperature use | Hideto Kamimura | 2002-10-15 |
| 6458288 | Lubricating oil for refrigerator with compressor | Yasuhiro Kawaguchi, Nobuaki Shimizu, Masato Kaneko | 2002-10-01 |
| 4800030 | Refrigerator oil composition | Masato Kaneko, Kenichi Yamashita | 1989-01-24 |