Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465959 | Refrigerant circulation device, method for circulating refrigerant and method for suppressing isomerization | Kenji Ueda, Naoki Kobayashi, Fuyuhiko Sakyu, Yoshio Nishiguchi | 2019-11-05 |
| 10443912 | Refrigerant circulation device, method for circulating refrigerant and acid suppression method | Kenji Ueda, Naoki Kobayashi, Fuyuhiko Sakyu, Yoshio Nishiguchi | 2019-10-15 |
| 10236175 | Liquid chemical for forming protecting film | Masanori Saito, Shinobu Arata, Takashi Saio, Soichi Kumon, Hidehisa Nanai | 2019-03-19 |