Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292226 | Defrost system which utilizes electric heater for thermosiphon | Choiku Yoshikawa, Toshio KUTSUNA, Nelson MUGABI, Nobuo OOSUGA | 2025-05-06 |
| 10302343 | Defrost system for refrigeration apparatus, and cooling unit | Choiku Yoshikawa, Makoto Sano, Iwao Terashima | 2019-05-28 |
| 9746221 | Defrost system for refrigeration apparatus, and cooling unit | Choiku Yoshikawa, Toshio KUTSUNA, Mugabi NELSON | 2017-08-29 |