Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11225623 | Ester for refrigerator oils | Fumitaka Yoshikawa, Seita Ueda | 2022-01-18 |
| 9200188 | Ester for refrigerator oils and method for producing same | Akio Itoh | 2015-12-01 |
| 7794619 | Refrigeration lubricant composition and refrigerant working fluid composition | Naoya Maekawa | 2010-09-14 |
| 7507348 | Refrigeration lubricant composition | Munehiro Yamada, Nobuhiko Shizuka | 2009-03-24 |