Inventor · disambiguated record
Takeshi Hikawa
Also filed as: HIKAWA TAKESHI
7 granted patents·1 pending application·70 citations·filing 2003–2020
82Inventor score
Files withDAIKIN IND LTD8
Top patents by PatentIndex Score
8 records- 0187US11346570B2Refrigerant leakage determination system and refrigeration cycle apparatusDAIKIN IND LTD·Filed 2019·Granted May 31, 2022·3 cites·19 claims
- 0279US7392158B2Drive unit for compressor and refrigeratorDAIKIN IND LTD·Filed 2003·Granted Jun 24, 2008·31 cites·6 claims
- 0379US7265954B2Method for estimating DC motor coil temperature, DC motor control method and their devicesDAIKIN IND LTD·Filed 2004·Granted Sep 4, 2007·28 cites·10 claims
- 0478US8011198B2Method of preheating inverter-driven compressor and device thereforDAIKIN IND LTD·Filed 2005·Granted Sep 6, 2011·7 cites·8 claims
- 0577US11898783B2Performance degradation diagnosis system for refrigeration cycle apparatusDAIKIN IND LTD·Filed 2020·Granted Feb 13, 2024·1 cites·17 claims
- 0657US12013139B2Air conditioning apparatus, management device, and connection pipeDAIKIN IND LTD·Filed 2019·Granted Jun 18, 2024·0 cites·20 claims
- 0753US2011011101A1Turbine generator and refrigerating apparatus provided with turbine generatorDAIKIN IND LTD·Filed 2008·Application pending·0 cites
- 0842US11971203B2Apparatus, method, and program for estimating amount of refrigerantDAIKIN IND LTD·Filed 2020·Granted Apr 30, 2024·0 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →