RT

Ryoichi Takafuji

HC Hitachi-Johnson Controls Air Conditioning: 4 patents #10 of 179Top 6%
Overall (All Time): #1,138,213 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 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
11035623 Heat exchanger, outdoor unit, refrigeration cycle device, and heat exchanger manufacturing method Takumi Hirata, Mamoru Houfuku, Kosuke Kumamoto, Naoki Yamamoto 2021-06-15
10557652 Heat exchanger and air conditioner Daiwa SATO, Shigeyuki Sasaki 2020-02-11