Takeshi Hikawa

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Air conditioning apparatus, management device, and connection pipe
- Patent number 12,013,139
- Issue date Jun 18, 2024
- Daikin Industries, Ltd.
- Takeshi Hikawa
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Apparatus, method, and program for estimating amount of refrigerant
- Patent number 11,971,203
- Issue date Apr 30, 2024
- Daikin Industries, Ltd.
- Manabu Yoshimi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Performance degradation diagnosis system for refrigeration cycle ap...
- Patent number 11,898,783
- Issue date Feb 13, 2024
- Daikin Industries, Ltd.
- Shuji Fujimoto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Refrigerant leakage determination system and refrigeration cycle ap...
- Patent number 11,346,570
- Issue date May 31, 2022
- Daikin Industries, Ltd.
- Manabu Yoshimi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Refrigerant leakage determination system and refrigeration cycle ap...
- Patent number 11,274,846
- Issue date Mar 15, 2022
- Daikin Industries, Ltd.
- Manabu Yoshimi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method of preheating inverter-driven compressor and device therefor
- Patent number 8,011,198
- Issue date Sep 6, 2011
- Daikin Industries, Ltd.
- Satoshi Ishikawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Drive unit for compressor and refrigerator
- Patent number 7,392,158
- Issue date Jun 24, 2008
- Daikin Industries, Ltd.
- Takeshi Hikawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method for estimating DC motor coil temperature, DC motor control m...
- Patent number 7,265,954
- Issue date Sep 4, 2007
- Daikin Industries, Ltd.
- Takeshi Hikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS, METHOD, AND PROGRAM FOR ESTIMATING AMOUNT OF REFRIGERANT
- Publication number 20220268503
- Publication date Aug 25, 2022
- DAIKIN INDUSTRIES, LTD.
- Manabu YOSHIMI
- F24 - HEATING RANGES VENTILATING
Information Patent Application
PERFORMANCE DEGRADATION DIAGNOSIS SYSTEM FOR REFRIGERATION CYCLE AP...
- Publication number 20220170679
- Publication date Jun 2, 2022
- DAIKIN INDUSTRIES, LTD.
- Shuji FUJIMOTO
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERANT LEAKAGE DETERMINATION SYSTEM AND REFRIGERATION CYCLE AP...
- Publication number 20210356155
- Publication date Nov 18, 2021
- DAIKIN INDUSTRIES, LTD.
- Manabu YOSHIMI
- F24 - HEATING RANGES VENTILATING
Information Patent Application
AIR CONDITIONING APPARATUS, MANAGEMENT DEVICE, AND CONNECTION PIPE
- Publication number 20210341170
- Publication date Nov 4, 2021
- DAIKIN INDUSTRIES, LTD.
- Takeshi HIKAWA
- F24 - HEATING RANGES VENTILATING
Information Patent Application
TURBINE GENERATOR AND REFRIGERATING APPARATUS PROVIDED WITH TURBINE...
- Publication number 20110011101
- Publication date Jan 20, 2011
- Daikin Industries, Ltd.
- Takeshi Hikawa
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Method of Preheating Inverter-Driven Compressor and Device Therefor
- Publication number 20080134702
- Publication date Jun 12, 2008
- DAIKIN INDUSTRIES, LTD.
- Satoshi Ishikawa
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Method for estimating dc motor coil temperature, dc motor control m...
- Publication number 20070070560
- Publication date Mar 29, 2007
- DAIKIN INDUSTRIES, LTD.
- Takeshi Hikawa
- G01 - MEASURING TESTING
Information Patent Application
Driver of compressor and refrigerator
- Publication number 20050247073
- Publication date Nov 10, 2005
- DAIKIN INDUSTRIES, LTD.
- Takeshi Hikawa
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Hermetic compressor
- Publication number 20050175492
- Publication date Aug 11, 2005
- Daikin Industries, Ltd.
- Katsumi Hirooka
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Takeshi Hikawa

Person

Patents Grantslast 30 patents

Air conditioning apparatus, management device, and connection pipe

Apparatus, method, and program for estimating amount of refrigerant

Performance degradation diagnosis system for refrigeration cycle ap...

Refrigerant leakage determination system and refrigeration cycle ap...

Refrigerant leakage determination system and refrigeration cycle ap...

Method of preheating inverter-driven compressor and device therefor

Drive unit for compressor and refrigerator

Method for estimating DC motor coil temperature, DC motor control m...

Patents Applicationslast 30 patents

APPARATUS, METHOD, AND PROGRAM FOR ESTIMATING AMOUNT OF REFRIGERANT

PERFORMANCE DEGRADATION DIAGNOSIS SYSTEM FOR REFRIGERATION CYCLE AP...

REFRIGERANT LEAKAGE DETERMINATION SYSTEM AND REFRIGERATION CYCLE AP...

AIR CONDITIONING APPARATUS, MANAGEMENT DEVICE, AND CONNECTION PIPE

TURBINE GENERATOR AND REFRIGERATING APPARATUS PROVIDED WITH TURBINE...

Method of Preheating Inverter-Driven Compressor and Device Therefor

Method for estimating dc motor coil temperature, dc motor control m...

Driver of compressor and refrigerator

Hermetic compressor