Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005470 | Refrigerating machine oil and working fluid composition for refrigerating machines | Katsuya Takigawa, Masanori Saito, Takeshi Okido | 2015-04-14 |
| 8889031 | Working fluid composition for refrigerator machine and refrigerating machine oil | Ken Sawada, Hiroko Shimpo, Katsuya Takigawa | 2014-11-18 |