RT

Ryoichi Takafuji

HC Hitachi-Johnson Controls Air Conditioning: 2 patents #1 of 24Top 5%
Overall (2022): #115,491 of 548,613Top 25%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11274838 Air-conditioner outdoor heat exchanger and air-conditioner including the same Takumi Hirata, Mamoru Houfuku, Naoki Yamamoto, Ryou Karino 2022-03-15
11236954 Heat exchanger and air-conditioner 2022-02-01