Koichi Yanagisawa

Person

Nagano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Waveform shaping circuit, signal generation apparatus, and signal r...
- Patent number 11,522,530
- Issue date Dec 6, 2022
- HIOKI E.E. CORPORATION
- Koichi Yanagisawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Waveform shaping circuit, signal generation apparatus, and signal r...
- Patent number 11,349,464
- Issue date May 31, 2022
- HIOKI E.E. CORPORATION
- Koichi Yanagisawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage detecting apparatus
- Patent number 10,012,677
- Issue date Jul 3, 2018
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- G01 - MEASURING TESTING
Information Patent Grant
Voltage detecting apparatus and line voltage detecting apparatus
- Patent number 9,201,100
- Issue date Dec 1, 2015
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- G01 - MEASURING TESTING
Information Patent Grant
Voltage detecting apparatus that detects voltage of an object
- Patent number 8,803,506
- Issue date Aug 12, 2014
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- G01 - MEASURING TESTING
Information Patent Grant
Voltage detecting apparatus and line voltage detecting apparatus ha...
- Patent number 8,222,886
- Issue date Jul 17, 2012
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- G01 - MEASURING TESTING
Information Patent Grant
Variable capacitance circuit, voltage measuring apparatus, and powe...
- Patent number 7,834,645
- Issue date Nov 16, 2010
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- G01 - MEASURING TESTING
Information Patent Grant
Voltage measuring apparatus and power measuring apparatus
- Patent number 7,466,145
- Issue date Dec 16, 2008
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and computer readable medium having program for analyzing...
- Patent number 7,454,725
- Issue date Nov 18, 2008
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Filter element
- Patent number 7,355,493
- Issue date Apr 8, 2008
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filter element
- Patent number 7,148,768
- Issue date Dec 12, 2006
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
IMPEDANCE MEASUREMENT DEVICE
- Publication number 20240230780
- Publication date Jul 11, 2024
- Hioki E. E. Corporation
- Akinori HOTTA
- G01 - MEASURING TESTING
Information Patent Application
WAVEFORM SHAPING CIRCUIT, SIGNAL GENERATION APPARATUS, AND SIGNAL R...
- Publication number 20220094343
- Publication date Mar 24, 2022
- Hioki E. E. Corporation
- Koichi YANAGISAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
WAVEFORM SHAPING CIRCUIT, SIGNAL GENERATION APPARATUS, AND SIGNAL R...
- Publication number 20210344332
- Publication date Nov 4, 2021
- Hioki E. E. Corporation
- Koichi YANAGISAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VOLTAGE DETECTING APPARATUS
- Publication number 20160109486
- Publication date Apr 21, 2016
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- G01 - MEASURING TESTING
Information Patent Application
VOLTAGE DETECTING APPARATUS AND LINE VOLTAGE DETECTING APPARATUS
- Publication number 20120235666
- Publication date Sep 20, 2012
- Hioki Denki Kabushiki Kaisha
- Koichi YANAGISAWA
- G01 - MEASURING TESTING
Information Patent Application
VOLTAGE DETECTION DEVICE
- Publication number 20100283539
- Publication date Nov 11, 2010
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- G01 - MEASURING TESTING
Information Patent Application
VOLTAGE DETECTING APPARATUS AND LINE VOLTAGE DETECTING APPARATUS
- Publication number 20090319210
- Publication date Dec 24, 2009
- Hioki Denki Kabushiki Kaisha
- Koichi YANAGISAWA
- G01 - MEASURING TESTING
Information Patent Application
FILTER ELEMENT
- Publication number 20080191815
- Publication date Aug 14, 2008
- HIOKI DENKI KABUSHIKI KAISHA
- Koichi Yanagisawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VARIABLE CAPACITANCE CIRCUIT, VOLTAGE MEASURING APPARATUS, AND POWE...
- Publication number 20070164723
- Publication date Jul 19, 2007
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- G01 - MEASURING TESTING
Information Patent Application
VOLTAGE MEASURING APPARATUS AND POWER MEASURING APPARATUS
- Publication number 20070108992
- Publication date May 17, 2007
- HIOKI DENKI KABUSHIKI KAISHA
- Koichi Yanagisawa
- G01 - MEASURING TESTING
Information Patent Application
FILTER ELEMENT
- Publication number 20070057749
- Publication date Mar 15, 2007
- HIOKI DENKI KABUSHIKI KAISHA
- Koichi YANAGISAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Filter element
- Publication number 20050040093
- Publication date Feb 24, 2005
- Hioki Denki Kabushiki Kaisha
- Koichi Yanagisawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Apparatus and program for analyzing distributed constant in a trans...
- Publication number 20050010380
- Publication date Jan 13, 2005
- HIOKI DENKI KABUSHIKI KAISHA
- Koichi Yanagisawa
- G06 - COMPUTING CALCULATING COUNTING

Koichi Yanagisawa

Person

Patents Grantslast 30 patents

Waveform shaping circuit, signal generation apparatus, and signal r...

Waveform shaping circuit, signal generation apparatus, and signal r...

Voltage detecting apparatus

Voltage detecting apparatus and line voltage detecting apparatus

Voltage detecting apparatus that detects voltage of an object

Voltage detecting apparatus and line voltage detecting apparatus ha...

Variable capacitance circuit, voltage measuring apparatus, and powe...

Voltage measuring apparatus and power measuring apparatus

Apparatus and computer readable medium having program for analyzing...

Filter element

Filter element

Patents Applicationslast 30 patents

IMPEDANCE MEASUREMENT DEVICE

WAVEFORM SHAPING CIRCUIT, SIGNAL GENERATION APPARATUS, AND SIGNAL R...

WAVEFORM SHAPING CIRCUIT, SIGNAL GENERATION APPARATUS, AND SIGNAL R...

VOLTAGE DETECTING APPARATUS

VOLTAGE DETECTING APPARATUS AND LINE VOLTAGE DETECTING APPARATUS

VOLTAGE DETECTION DEVICE

VOLTAGE DETECTING APPARATUS AND LINE VOLTAGE DETECTING APPARATUS

FILTER ELEMENT

VARIABLE CAPACITANCE CIRCUIT, VOLTAGE MEASURING APPARATUS, AND POWE...

VOLTAGE MEASURING APPARATUS AND POWER MEASURING APPARATUS

FILTER ELEMENT

Filter element

Apparatus and program for analyzing distributed constant in a trans...