Koichi Murata

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Vertical MOSFET having trench gate structure containing silicon car...
- Patent number 11,948,976
- Issue date Apr 2, 2024
- Fuji Electric Co., Ltd.
- Takeshi Tawara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor wafer evaluation apparatus and semiconductor wafer ma...
- Patent number 11,906,569
- Issue date Feb 20, 2024
- Showa Denko K.K.
- Koichi Murata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
SiC epitaxial wafer and method for producing SiC epitaxial wafer
- Patent number 11,600,538
- Issue date Mar 7, 2023
- Showa Denko K.K.
- Naoto Ishibashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Semiconductor device and method of manufacturing semiconductor device
- Patent number 11,183,590
- Issue date Nov 23, 2021
- Fuji Electric Co., Ltd.
- Tae Tawara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device and a method of manufacturing...
- Patent number 10,868,122
- Issue date Dec 15, 2020
- Fuji Electric Co., Ltd.
- Takeshi Tawara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device and method of manufacturing si...
- Patent number 10,665,681
- Issue date May 26, 2020
- Fuji Electric Co., Ltd.
- Takeshi Tawara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide epitaxial wafer, silicon carbide insulated gate bip...
- Patent number 10,522,667
- Issue date Dec 31, 2019
- Fuji Electric Co., Ltd.
- Takeshi Tawara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical modulator driver circuit and optical transmitter
- Patent number 10,243,664
- Issue date Mar 26, 2019
- Nippon Telegraph and Telephone Corporation
- Munehiko Nagatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Target monitoring system and target monitoring method
- Patent number 10,102,636
- Issue date Oct 16, 2018
- Mitsubishi Heavy Industries, Ltd.
- Koichi Murata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Rotor structure for rotary electric machine
- Patent number 9,912,205
- Issue date Mar 6, 2018
- Nissan Motor Co., Ltd.
- Takuma Kinoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Automatic gain control circuit
- Patent number 9,143,110
- Issue date Sep 22, 2015
- Nippon Telegraph and Telephone Corporation
- Kimikazu Sano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Storage body and reel
- Patent number 8,875,895
- Issue date Nov 4, 2014
- Fujitsu Limited
- Keiichi Sasamura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Vector sum phase shifter, optical transceiver, and control circuit
- Patent number 8,687,968
- Issue date Apr 1, 2014
- Nippon Telegraph and Telephone Corporation
- Hideyuki Nosaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage generator, control circuit, vector sum phase shifter, and o...
- Patent number 8,687,973
- Issue date Apr 1, 2014
- Nippon Telegraph and Telephone Corporation
- Hideyuki Nosaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal output circuit
- Patent number 8,593,201
- Issue date Nov 26, 2013
- Nippon Telegraph and Telephone Corporation
- Kimikazu Sano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic gain control circuit
- Patent number 8,593,223
- Issue date Nov 26, 2013
- Nippon Telegraph and Telephone Corporation
- Kimikazu Sano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current-switching cell and digital-to-analog converter
- Patent number 8,493,257
- Issue date Jul 23, 2013
- Nippon Telegraph and Telephone Corporation
- Munehiko Nagatani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Aberration correcting device, optical device, and optical head device
- Patent number 8,295,143
- Issue date Oct 23, 2012
- Asahi Glass Company, Limited
- Koji Miyasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical low pass filter
- Patent number 8,284,488
- Issue date Oct 9, 2012
- Asahi Glass Company, Limited
- Hirotoshi Yabumoto
- G02 - OPTICS
Information Patent Grant
Variable transmission light quantity element with dielectric layers...
- Patent number 7,982,848
- Issue date Jul 19, 2011
- Asahi Glass Company, Limited
- Koichi Murata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical head apparatus
- Patent number 7,835,252
- Issue date Nov 16, 2010
- Asahi Glass Company, Limited
- Koichi Murata
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase plate and optical head device
- Patent number 7,782,738
- Issue date Aug 24, 2010
- Asahi Glass Company, Limited
- Toshimasa Kakiuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Imaging lens
- Patent number 7,599,128
- Issue date Oct 6, 2009
- Asahi Glass Company, Limited
- Hiroaki Shimozono
- G02 - OPTICS
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 7,095,045
- Issue date Aug 22, 2006
- Fujitsu Limited
- Shuichi Chiba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical head
- Patent number 7,054,253
- Issue date May 30, 2006
- Asahi Glass Company, Limited
- Takuji Nomura
- G11 - INFORMATION STORAGE
Information Patent Grant
Pump light source for raman amplification
- Patent number 6,966,704
- Issue date Nov 22, 2005
- The Furukawa Electric Co., Ltd.
- Masami Ikeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Precoding circuit and precoding-mulitplexing circuit for realizing...
- Patent number 6,934,308
- Issue date Aug 23, 2005
- Nippon Telegraph and Telephone Corporation
- Kazushige Yonenaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Abnormality diagnosis method and apparatus for separable transformer
- Patent number 6,661,238
- Issue date Dec 9, 2003
- The Furukawa Electric Co., Ltd.
- Koichi Murata
- G01 - MEASURING TESTING
Information Patent Grant
Optical head device and a diffraction element suitable for the devi...
- Patent number 6,618,116
- Issue date Sep 9, 2003
- Asahi Glass Company, Limited
- Koichi Murata
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device as an object of thickness reduction
- Patent number 6,462,415
- Issue date Oct 8, 2002
- Fujitsu Limited
- Masahiko Ishiguri
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
VERTICAL MOSFET HAVING TRENCH GATE STRUCTURE CONTAINING SILICON CAR...
- Publication number 20220190114
- Publication date Jun 16, 2022
- Fuji Electric Co., Ltd.
- Takeshi TAWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SiC EPITAXIAL WAFER AND METHOD FOR PRODUCING SiC EPITAXIAL WAFER
- Publication number 20220173001
- Publication date Jun 2, 2022
- SHOWA DENKO K.K.
- Naoto ISHIBASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR WAFER EVALUATION APPARATUS AND SEMICONDUCTOR WAFER MA...
- Publication number 20220146564
- Publication date May 12, 2022
- SHOWA DENKO K.K.
- Koichi Murata
- G01 - MEASURING TESTING
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
- Publication number 20210074850
- Publication date Mar 11, 2021
- Fuji Electric Co., Ltd.
- Tae TAWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND A METHOD OF MANUFACTURING...
- Publication number 20190393312
- Publication date Dec 26, 2019
- Fuji Electric Co., Ltd.
- Takeshi TAWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
STATOR STRUCTURE OF ROTARY ELECTRIC MACHINE AND METHOD OF ASSEMBLIN...
- Publication number 20190252940
- Publication date Aug 15, 2019
- NISSAN MOTOR CO., LTD.
- Koichi Murata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SI...
- Publication number 20190237547
- Publication date Aug 1, 2019
- Fuji Electric Co., Ltd.
- Takeshi TAWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE EPITAXIAL WAFER, SILICON CARBIDE INSULATED GATE BIP...
- Publication number 20180315842
- Publication date Nov 1, 2018
- Fuji Electric Co., Ltd.
- Takeshi TAWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TARGET MONITORING SYSTEM AND TARGET MONITORING METHOD
- Publication number 20180047174
- Publication date Feb 15, 2018
- Mitsubishi Heavy Industries, Ltd.
- Koichi MURATA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ROTOR STRUCTURE FOR ROTARY ELECTRIC MACHINE
- Publication number 20170279323
- Publication date Sep 28, 2017
- Nissan Motor Co., Ltd
- Takuma KINOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Optical Modulator Driver Circuit and Optical Transmitter
- Publication number 20160087727
- Publication date Mar 24, 2016
- Nippon Telegraph and Telephone Corporation
- Munehiko Nagatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTOMATIC GAIN CONTROL CIRCUIT
- Publication number 20140097901
- Publication date Apr 10, 2014
- Nippon Telegraph and Telephone Corporation
- Kimikazu Sano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
STORAGE BODY AND REEL
- Publication number 20130193016
- Publication date Aug 1, 2013
- Fujitsu Limited
- Keiichi Sasamura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
AUTOMATIC GAIN CONTROL CIRCUIT
- Publication number 20120326782
- Publication date Dec 27, 2012
- Kimikazu Sano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SIGNAL OUTPUT CIRCUIT
- Publication number 20120319766
- Publication date Dec 20, 2012
- Kimikazu Sano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CURRENT-SWITCHING CELL AND DIGITAL-TO-ANALOG CONVERTER
- Publication number 20110273317
- Publication date Nov 10, 2011
- Munehiko Nagatani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VOLTAGE GENERATOR, CONTROL CIRCUIT, VECTOR SUM PHASE SHIFTER, AND O...
- Publication number 20110236027
- Publication date Sep 29, 2011
- Hideyuki Nosaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ABERRATION CORRECTING DEVICE, OPTICAL DEVICE, AND OPTICAL HEAD DEVICE
- Publication number 20110199884
- Publication date Aug 18, 2011
- ASAHI GLASS COMPANY, LIMITED
- Koji MIYASAKA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL LOW PASS FILTER
- Publication number 20110149386
- Publication date Jun 23, 2011
- Asahi Glass Company, Limited
- Hirotoshi YABUMOTO
- G02 - OPTICS
Information Patent Application
VECTOR SUM PHASE SHIFTER, OPTICAL TRANSCEIVER, AND CONTROL CIRCUIT
- Publication number 20110150495
- Publication date Jun 23, 2011
- Hideyuki Nosaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHASE DIFFERENCE ELEMENT AND OPTICAL HEAD APPARATUS
- Publication number 20100128593
- Publication date May 27, 2010
- ASAHI GLASS COMPANY, LIMITED
- Koichi Murata
- G02 - OPTICS
Information Patent Application
OPTICAL HEAD DEVICE
- Publication number 20100091634
- Publication date Apr 15, 2010
- Asahi Glass Company, Limited
- Koichi MURATA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL COMPONENT FOR LASER BEAM
- Publication number 20090110011
- Publication date Apr 30, 2009
- ASAHI GLASS COMPANY LIMITED
- Yasuhisa NISHIKAWA
- G02 - OPTICS
Information Patent Application
OPTICAL HEAD DEVICE
- Publication number 20090016191
- Publication date Jan 15, 2009
- Asahi Glass Company, Limited
- Koichi MURATA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL HEAD APPARATUS
- Publication number 20080253265
- Publication date Oct 16, 2008
- Asahi Glass Company, Limited
- Koichi Murata
- G02 - OPTICS
Information Patent Application
Optical Transmission System
- Publication number 20080226298
- Publication date Sep 18, 2008
- Nippon Telegraph and Telephone Corporation
- Hiroyuki Fukuyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGING LENS
- Publication number 20080055536
- Publication date Mar 6, 2008
- Asahi Glass Co., LTD.
- Hiroaki SHIMOZONO
- G02 - OPTICS
Information Patent Application
PHASE PLATE AND OPTICAL HEAD DEVICE
- Publication number 20080044125
- Publication date Feb 21, 2008
- ASAHI GLASS COMPANY LIMITED
- Toshimasa Kakiuchi
- G02 - OPTICS
Information Patent Application
VARIABLE TRANSMISSION LIGHT QUANTITY ELEMENT AND PROJECTION DISPLAY
- Publication number 20080030632
- Publication date Feb 7, 2008
- Asahi Glass Co., LTD.
- Koichi MURATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Diffraction element and optical head device
- Publication number 20060193235
- Publication date Aug 31, 2006
- ASAHI GLASS COMPANY LIMITED
- Koichi Murata
- G02 - OPTICS

Koichi Murata

Person

Patents Grantslast 30 patents

Vertical MOSFET having trench gate structure containing silicon car...

Semiconductor wafer evaluation apparatus and semiconductor wafer ma...

SiC epitaxial wafer and method for producing SiC epitaxial wafer

Semiconductor device and method of manufacturing semiconductor device

Silicon carbide semiconductor device and a method of manufacturing...

Silicon carbide semiconductor device and method of manufacturing si...

Silicon carbide epitaxial wafer, silicon carbide insulated gate bip...

Optical modulator driver circuit and optical transmitter

Target monitoring system and target monitoring method

Rotor structure for rotary electric machine

Automatic gain control circuit

Storage body and reel

Vector sum phase shifter, optical transceiver, and control circuit

Voltage generator, control circuit, vector sum phase shifter, and o...

Signal output circuit

Automatic gain control circuit

Current-switching cell and digital-to-analog converter

Aberration correcting device, optical device, and optical head device

Optical low pass filter

Variable transmission light quantity element with dielectric layers...

Optical head apparatus

Phase plate and optical head device

Imaging lens

Semiconductor device and manufacturing method thereof

Optical head

Pump light source for raman amplification

Precoding circuit and precoding-mulitplexing circuit for realizing...

Abnormality diagnosis method and apparatus for separable transformer

Optical head device and a diffraction element suitable for the devi...

Semiconductor device as an object of thickness reduction

Patents Applicationslast 30 patents

VERTICAL MOSFET HAVING TRENCH GATE STRUCTURE CONTAINING SILICON CAR...

SiC EPITAXIAL WAFER AND METHOD FOR PRODUCING SiC EPITAXIAL WAFER

SEMICONDUCTOR WAFER EVALUATION APPARATUS AND SEMICONDUCTOR WAFER MA...

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE

SILICON CARBIDE SEMICONDUCTOR DEVICE AND A METHOD OF MANUFACTURING...

STATOR STRUCTURE OF ROTARY ELECTRIC MACHINE AND METHOD OF ASSEMBLIN...

SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SI...

SILICON CARBIDE EPITAXIAL WAFER, SILICON CARBIDE INSULATED GATE BIP...

TARGET MONITORING SYSTEM AND TARGET MONITORING METHOD

ROTOR STRUCTURE FOR ROTARY ELECTRIC MACHINE

Optical Modulator Driver Circuit and Optical Transmitter

AUTOMATIC GAIN CONTROL CIRCUIT

STORAGE BODY AND REEL

AUTOMATIC GAIN CONTROL CIRCUIT

SIGNAL OUTPUT CIRCUIT

CURRENT-SWITCHING CELL AND DIGITAL-TO-ANALOG CONVERTER

VOLTAGE GENERATOR, CONTROL CIRCUIT, VECTOR SUM PHASE SHIFTER, AND O...

ABERRATION CORRECTING DEVICE, OPTICAL DEVICE, AND OPTICAL HEAD DEVICE

OPTICAL LOW PASS FILTER

VECTOR SUM PHASE SHIFTER, OPTICAL TRANSCEIVER, AND CONTROL CIRCUIT

PHASE DIFFERENCE ELEMENT AND OPTICAL HEAD APPARATUS

OPTICAL HEAD DEVICE

OPTICAL COMPONENT FOR LASER BEAM

OPTICAL HEAD DEVICE

OPTICAL HEAD APPARATUS

Optical Transmission System

IMAGING LENS

PHASE PLATE AND OPTICAL HEAD DEVICE

VARIABLE TRANSMISSION LIGHT QUANTITY ELEMENT AND PROJECTION DISPLAY

Diffraction element and optical head device