Inventor · disambiguated record
Ryoichi Takafuji
Also filed as: TAKAFUJI RYOICHI
4 granted patents·7 citations·filing 2019–2019
62Inventor score
Files withHITACHI JOHNSON CONTROLS AIR CONDITIONING INC3HITACHI JOHNSON CONROLS AIR CONDITIONING INC1
Top patents by PatentIndex Score
4 records- 0185US11236954B2Heat exchanger and air-conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Feb 1, 2022·5 cites·12 claims
- 0279US10557652B2Heat exchanger and air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Feb 11, 2020·2 cites·19 claims
- 0347US11274838B2Air-conditioner outdoor heat exchanger and air-conditioner including the sameHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Mar 15, 2022·0 cites·6 claims
- 0446US11035623B2Heat exchanger, outdoor unit, refrigeration cycle device, and heat exchanger manufacturing methodHITACHI JOHNSON CONROLS AIR CONDITIONING INC·Filed 2019·Granted Jun 15, 2021·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →