Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281729 | Tube assembly, compressor, refrigeration apparatus, and method of manufacturing tube assembly | Kenji Nagahara, Yoshitomo Tsuka, Tetsuya Nagamichi | 2025-04-22 |
| 11674515 | Scroll compressor including an oil separation member | Yoshitomo Tsuka | 2023-06-13 |