Hisakatsu Kawarai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Corrosion detection sensor, electrical apparatus including the same...
- Patent number 11,747,264
- Issue date Sep 5, 2023
- Mitsubishi Electric Corporation
- Hisakatsu Kawarai
- G01 - MEASURING TESTING
Information Patent Grant
Liquid-quality adjusting apparatus, liquid-quality adjusting method...
- Patent number 9,056,361
- Issue date Jun 16, 2015
- Mitsubishi Electric Corporation
- Tamayo Ohata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Corrosion preventing apparatus, corrosion preventing method, and wi...
- Patent number 8,753,516
- Issue date Jun 17, 2014
- Mitsubishi Electric Corporation
- Hisakatsu Kawarai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Diagnostic method for oil-filled electrical apparatus
- Patent number 8,241,916
- Issue date Aug 14, 2012
- Mitsubishi Electric Corporation
- Satoru Toyama
- G01 - MEASURING TESTING
Information Patent Grant
Fluid-quality control method, fluid-quality control apparatus, and...
- Patent number 8,217,296
- Issue date Jul 10, 2012
- Mitsubishi Electric Corporation
- Hisakatsu Kawarai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrical discharge machining apparatus and electrical discharge m...
- Patent number 8,058,582
- Issue date Nov 15, 2011
- Mitsubishi Electric Corporation
- Hisakatsu Kawarai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electric discharge machine and electric discharge machining method
- Patent number 7,795,558
- Issue date Sep 14, 2010
- Mitsubishi Electric Corporation
- Yoji Nakajima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrical-discharge machining apparatus and method and apparatus f...
- Patent number 7,737,380
- Issue date Jun 15, 2010
- Mitsubishi Electric Corporation
- Hisakatsu Kawarai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CORROSION DETECTION SENSOR, ELECTRICAL APPARATUS INCLUDING THE SAME...
- Publication number 20220307969
- Publication date Sep 29, 2022
- Mitsubishi Electric Corporation
- Hisakatsu KAWARAI
- G01 - MEASURING TESTING
Information Patent Application
LIQUID-QUALITY ADJUSTING APPARATUS, LIQUID-QUALITY ADJUSTING METHOD...
- Publication number 20120255934
- Publication date Oct 11, 2012
- RYODEN KOKI ENGINEERING CO., LTD.
- Tamayo Ohata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CORROSION PREVENTING APPARATUS, CORROSION PREVENTING METHOD, AND WI...
- Publication number 20120234797
- Publication date Sep 20, 2012
- RYODEN KOKI ENGINEERING CO., LTD.
- Hisakatsu Kawarai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FLUID-QUALITY CONTROL METHOD, FLUID-QUALITY CONTROL APPARATUS, AND...
- Publication number 20100219164
- Publication date Sep 2, 2010
- Hisakatsu Kawarai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
DIAGNOSTIC METHOD FOR OIL-FILLED ELECTRICAL APPARATUS
- Publication number 20100192673
- Publication date Aug 5, 2010
- MITSUBISHI ELECTRIC CORPORATION
- Satoru Toyama
- G01 - MEASURING TESTING
Information Patent Application
ELECTRICAL DISCHARGE MACHINING APPARATUS AND ELECTRICAL DISCHARGE M...
- Publication number 20090277876
- Publication date Nov 12, 2009
- MITSUBISHI ELECTRIC CORPORATION
- Hisakatsu Kawarai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRIC DISCHARGE MACHINE AND ELECTRIC DISCHARGE MACHINING METHOD
- Publication number 20090057274
- Publication date Mar 5, 2009
- MITSUBISHI ELECTRIC CORPORATION
- Yoji Nakajima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Dielectric-Fluid Quality Control Apparatus and Electrical-Discharge...
- Publication number 20070289925
- Publication date Dec 20, 2007
- MITSUBISHI ELECTRIC CORPORATION
- Hisakatsu Kawarai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Hisakatsu Kawarai

Person

Patents Grantslast 30 patents

Corrosion detection sensor, electrical apparatus including the same...

Liquid-quality adjusting apparatus, liquid-quality adjusting method...

Corrosion preventing apparatus, corrosion preventing method, and wi...

Diagnostic method for oil-filled electrical apparatus

Fluid-quality control method, fluid-quality control apparatus, and...

Electrical discharge machining apparatus and electrical discharge m...

Electric discharge machine and electric discharge machining method

Electrical-discharge machining apparatus and method and apparatus f...

Patents Applicationslast 30 patents

CORROSION DETECTION SENSOR, ELECTRICAL APPARATUS INCLUDING THE SAME...

LIQUID-QUALITY ADJUSTING APPARATUS, LIQUID-QUALITY ADJUSTING METHOD...

CORROSION PREVENTING APPARATUS, CORROSION PREVENTING METHOD, AND WI...

FLUID-QUALITY CONTROL METHOD, FLUID-QUALITY CONTROL APPARATUS, AND...

DIAGNOSTIC METHOD FOR OIL-FILLED ELECTRICAL APPARATUS

ELECTRICAL DISCHARGE MACHINING APPARATUS AND ELECTRICAL DISCHARGE M...

ELECTRIC DISCHARGE MACHINE AND ELECTRIC DISCHARGE MACHINING METHOD

Dielectric-Fluid Quality Control Apparatus and Electrical-Discharge...