Koji IWAHASHI

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
State display device of industrial machinery and power conversion d...
- Patent number 10,135,379
- Issue date Nov 20, 2018
- Kabushiki Kaisha Yaskawa Denki
- Koji Iwahashi
- G05 - CONTROLLING REGULATING
Information Patent Grant
Matrix converter
- Patent number 9,660,545
- Issue date May 23, 2017
- Kabushiki Kaisha Yaskawa Denki
- Hirofumi Kinomura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Interface circuit, inverter device, inverter system, and transmitti...
- Patent number 8,918,668
- Issue date Dec 23, 2014
- Kabushiki Kaisha Yaskawa Denki
- Koji Iwahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC POWER CONVERSION SYSTEM
- Publication number 20240333191
- Publication date Oct 3, 2024
- KABUSHIKI KAISHA YASKAWA DENKI
- Koji IWAHASHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC MOTOR DRIVE CONTROL SYSTEM AND DRIVING INSTRUCTION METHOD...
- Publication number 20180107170
- Publication date Apr 19, 2018
- KABUSHIKI KAISHA YASKAWA DENKI
- Koji IWAHASHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STATE DISPLAY DEVICE OF INDUSTRIAL MACHINERY AND POWER CONVERSION D...
- Publication number 20170294861
- Publication date Oct 12, 2017
- KABUSHIKI KAISHA YASKAWA DENKI
- Koji IWAHASHI
- G02 - OPTICS
Information Patent Application
MATRIX CONVERTER
- Publication number 20150102797
- Publication date Apr 16, 2015
- KABUSHIKI KAISHA YASKAWA DENKI
- Hirofumi KINOMURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INTERFACE CIRCUIT, INVERTER DEVICE, INVERTER SYSTEM, AND TRANSMITTI...
- Publication number 20120166857
- Publication date Jun 28, 2012
- KABUSHIKI KAISHA YASKAWA DENKI
- Koji IWAHASHI
- G06 - COMPUTING CALCULATING COUNTING