Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465959 | Refrigerant circulation device, method for circulating refrigerant and method for suppressing isomerization | Kenji Ueda, Naoki Kobayashi, Yoshinori Akamatsu, Yoshio Nishiguchi | 2019-11-05 |
| 10443912 | Refrigerant circulation device, method for circulating refrigerant and acid suppression method | Kenji Ueda, Naoki Kobayashi, Yoshinori Akamatsu, Yoshio Nishiguchi | 2019-10-15 |