Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385679 | Refrigerant quantity diagnosis device, refrigerant system, and refrigerant quantity diagnosis method | Hiroshi Kusumoto, Keiko Oka, Hisae Shibuya, Noriyuki Tokura, Norikazu Sasaki +2 more | 2025-08-12 |
| 11561019 | Performance diagnosis device and performance diagnosis method for air conditioner | Tatsuo Fujii, Akiko Iizuka | 2023-01-24 |
| 10989428 | Performance diagnosis device and performance diagnosis method for air conditioner | Hiroshi Kusumoto, Tatsuo Fujii | 2021-04-27 |
| 10646794 | Solid-liquid separation device | Tadashi Sano, Mitsuhiro Matsuzawa, Sachio Sekiya | 2020-05-12 |
| 10197331 | Solid-liquid separation system | Hiroshi Kusumoto, Tadashi Sano, Michiharu WATANABE, Mitsuhiro Matsuzawa | 2019-02-05 |