Koji Obata

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
A/D converter and sensor system including the same
- Patent number 12,278,647
- Issue date Apr 15, 2025
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Jun'ichi Naka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
A/D converter
- Patent number 12,206,430
- Issue date Jan 21, 2025
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Koji Obata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog-to-digital converter, sensor processing circuit, and sensor...
- Patent number 11,916,563
- Issue date Feb 27, 2024
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Jun'ichi Naka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
A/D converter, sensor processing circuit, and sensor system
- Patent number 11,677,411
- Issue date Jun 13, 2023
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Junji Nakatsuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital filter, A/D converter, sensor processing circuit, and senso...
- Patent number 11,664,815
- Issue date May 30, 2023
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masaaki Nagai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog-to-digital converter, sensor system , and test system
- Patent number 11,611,349
- Issue date Mar 21, 2023
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Koji Obata
- G01 - MEASURING TESTING
Information Patent Grant
Medical system, medical device, and medical method
- Patent number 11,033,176
- Issue date Jun 15, 2021
- Sony Corporation
- Koji Obata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Amplifier circuit including first input branch circuit, second inpu...
- Patent number 10,340,868
- Issue date Jul 2, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Koji Obata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Inverter-driven rotary electric machine, phase-to-phase insulation...
- Patent number 10,024,896
- Issue date Jul 17, 2018
- Hitachi Automotive Systems, Ltd.
- Koji Obata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Partial-discharge measurement method and high-voltage device inspec...
- Patent number 9,851,394
- Issue date Dec 26, 2017
- Hitachi, Ltd.
- Hiroaki Kojima
- G01 - MEASURING TESTING
Information Patent Grant
Rotating electric machine and method of manufacturing same
- Patent number 9,705,372
- Issue date Jul 11, 2017
- Hitachi Automotive Systems, Ltd.
- Yoshimi Kurahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DEM circuit, delta-sigma modulator, D/A converter, and wireless com...
- Patent number 9,287,887
- Issue date Mar 15, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Koji Obata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delta sigma modulator, as well as receiver device and wireless comm...
- Patent number 9,178,530
- Issue date Nov 3, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yosuke Mitani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for testing an inverter drive rotating electric machine
- Patent number 9,097,768
- Issue date Aug 4, 2015
- Hitachi, Ltd.
- Koji Obata
- G01 - MEASURING TESTING
Information Patent Grant
Method of testing partial discharge of rotating electrical machine...
- Patent number 9,018,970
- Issue date Apr 28, 2015
- Hitachi, Ltd.
- Koji Obata
- G01 - MEASURING TESTING
Information Patent Grant
Rotating electric machine for electric vehicle, drive control devic...
- Patent number 8,981,699
- Issue date Mar 17, 2015
- Hitachi Automotive Systems, Ltd.
- Koji Obata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Delta-sigma modulator, integrator, and wireless communication device
- Patent number 8,937,567
- Issue date Jan 20, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Koji Obata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resonant filter, delta-sigma A/D converter, and semiconductor device
- Patent number 8,872,684
- Issue date Oct 28, 2014
- Panasonic Corporation
- Kazuo Matsukawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resonator, delta-sigma modulator, and wireless communication device
- Patent number 8,823,567
- Issue date Sep 2, 2014
- Panasonic Corporation
- Yosuke Mitani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Rotating electrical machine having a plurality of cooling medium paths
- Patent number 8,400,029
- Issue date Mar 19, 2013
- Hitachi, Ltd.
- Shinji Sugimoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power distribution unit for rotary electric machine with linear con...
- Patent number 7,952,245
- Issue date May 31, 2011
- Hitachi, Ltd.
- Toshiaki Ueda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Receiving device, clock synchronizing method, and computer program
- Patent number 7,940,805
- Issue date May 10, 2011
- Sony Corporation
- Takahiro Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stator for rotating machine and rotating machine using the same
- Patent number 7,936,100
- Issue date May 3, 2011
- Hitachi, Ltd.
- Takashi Naganawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter-driven rotating machine system, rotating machine and inver...
- Patent number 7,764,042
- Issue date Jul 27, 2010
- Hitachi, Ltd.
- Koji Obata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rotating electric machine, winding machine, and rotating electric m...
- Patent number 7,659,651
- Issue date Feb 9, 2010
- Hitachi, Ltd.
- Koji Obata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rotating electrical machine and manufacturing method thereof
- Patent number 7,557,483
- Issue date Jul 7, 2009
- Hitachi, Ltd.
- Takashi Yasuhara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Data multiplexer, data multiplexing method, and recording medium
- Patent number 7,496,675
- Issue date Feb 24, 2009
- Sony Corporation
- Koji Obata
- G11 - INFORMATION STORAGE
Information Patent Grant
Encoding apparatus and method, and multiplexing apparatus and method
- Patent number 7,394,851
- Issue date Jul 1, 2008
- Sony Corporation
- Motoki Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Picture signal processing method and apparatus
- Patent number 6,825,886
- Issue date Nov 30, 2004
- Sony Corporation
- Hiroshi Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Decoding apparatus, decoding method, encoding apparatus, encoding m...
- Patent number 6,795,498
- Issue date Sep 21, 2004
- Sony Corporation
- Motoki Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
EARTHWORK MACHINE
- Publication number 20250236211
- Publication date Jul 24, 2025
- Komatsu Ltd.
- Takuya SATO
- B60 - VEHICLES IN GENERAL
Information Patent Application
ERROR ANALYSIS METHOD, ERROR ANALYSIS DEVICE, AND RECORDING MEDIUM
- Publication number 20250208613
- Publication date Jun 26, 2025
- Panasonic Intellectual Property Management Co., Ltd.
- Koji OBATA
- G01 - MEASURING TESTING
Information Patent Application
WORK VEHICLE
- Publication number 20250196721
- Publication date Jun 19, 2025
- Komatsu Ltd.
- Takuya SATO
- B60 - VEHICLES IN GENERAL
Information Patent Application
CONTROL SYSTEM, WORK VEHICLE MANAGEMENT DEVICE, CONTROL DEVICE, AND...
- Publication number 20250010763
- Publication date Jan 9, 2025
- Komatsu Ltd.
- Shota Yamawaki
- B60 - VEHICLES IN GENERAL
Information Patent Application
WORK VEHICLE
- Publication number 20240399897
- Publication date Dec 5, 2024
- Komatsu Ltd.
- Yuta Hoshino
- B60 - VEHICLES IN GENERAL
Information Patent Application
MANAGEMENT DEVICE AND MANAGEMENT METHOD
- Publication number 20240336158
- Publication date Oct 10, 2024
- Komatsu Ltd.
- Shota Yamawaki
- B60 - VEHICLES IN GENERAL
Information Patent Application
AI MODULE
- Publication number 20240038726
- Publication date Feb 1, 2024
- Panasonic Intellectual Property Management Co., Ltd.
- Koji OBATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A/D CONVERTER
- Publication number 20230370083
- Publication date Nov 16, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Koji OBATA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
A/D CONVERTER AND SENSOR SYSTEM INCLUDING THE SAME
- Publication number 20230344442
- Publication date Oct 26, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Jun'ichi NAKA
- G01 - MEASURING TESTING
Information Patent Application
AI CHIP
- Publication number 20230197711
- Publication date Jun 22, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Shoichi GOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA GENERATION METHOD, DECISION METHOD, PROGRAM, AND DATA GENERATI...
- Publication number 20230122673
- Publication date Apr 20, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Junko ONOZAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
A/D CONVERTER, SENSOR PROCESSING CIRCUIT, AND SENSOR SYSTEM
- Publication number 20220173746
- Publication date Jun 2, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- Junji NAKATSUKA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIGITAL FILTER, A/D CONVERTER, SENSOR PROCESSING CIRCUIT, AND SENSO...
- Publication number 20220158652
- Publication date May 19, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- MASAAKI NAGAI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ANALOG-TO-DIGITAL CONVERTER, SENSOR PROCESSING CIRCUIT, AND SENSOR...
- Publication number 20220123757
- Publication date Apr 21, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- JUN'ICHI NAKA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ANALOG-TO-DIGITAL CONVERTER, SENSOR SYSTEM , AND TEST SYSTEM
- Publication number 20220123758
- Publication date Apr 21, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- KOJI OBATA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING DEVICE, AND I...
- Publication number 20210249109
- Publication date Aug 12, 2021
- SONY CORPORATION
- Shunsuke HAYASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WIRELESS COMMUNICATION SEMICONDUCTOR DEVICE AND MANUFACTURING METHO...
- Publication number 20200372317
- Publication date Nov 26, 2020
- Panasonic Intellectual Property Management Co., Ltd.
- KOJI OBATA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREFOR
- Publication number 20200342282
- Publication date Oct 29, 2020
- Panasonic Intellectual Property Management Co., Ltd.
- KOJI OBATA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VIBRATION-POWERED GENERATION DEVICE AND SENSOR SYSTEM
- Publication number 20200280269
- Publication date Sep 3, 2020
- Panasonic Intellectual Property Management Co., Ltd.
- HIDEYUKI ARAI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SURGICAL SYSTEM, SURGICAL DEVICE, AND SURGICAL METHOD
- Publication number 20180168434
- Publication date Jun 21, 2018
- SONY CORPORATION
- Koji OBATA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
AMPLIFIER CIRCUIT INCLUDING FIRST INPUT BRANCH CIRCUIT, SECOND INPU...
- Publication number 20170346457
- Publication date Nov 30, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- KOJI OBATA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Partial-Discharge Measurement Method and High-Voltage Device Inspec...
- Publication number 20160216309
- Publication date Jul 28, 2016
- Hitachi, Ltd
- Hiroaki KOJIMA
- G01 - MEASURING TESTING
Information Patent Application
Rotary Machine
- Publication number 20150381005
- Publication date Dec 31, 2015
- Hitachi, Ltd
- Tetsuji KATO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Rotating Electrical Machine
- Publication number 20150349588
- Publication date Dec 3, 2015
- Hitachi, Ltd
- Hirooki TOKOI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electrical Rotating Machine
- Publication number 20150022045
- Publication date Jan 22, 2015
- Hitachi Automotive Systems, Ltd.
- Shuya Hagiwara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DEM CIRCUIT, DELTA-SIGMA MODULATOR, D/A CONVERTER, AND WIRELESS COM...
- Publication number 20140301253
- Publication date Oct 9, 2014
- Koji OBATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RESONANT FILTER, DELTA-SIGMA A/D CONVERTER, AND SEMICONDUCTOR DEVICE
- Publication number 20140266828
- Publication date Sep 18, 2014
- PANASONIC CORPORATION
- Kazuo MATSUKAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Rotating Electric Machine and Method for Manufacturing Stator Coil...
- Publication number 20140183985
- Publication date Jul 3, 2014
- Hitachi Automotive Systems, Ltd.
- Yoshimi Kurahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INVERTER-DRIVEN ROTARY ELECTRIC MACHINE, PHASE-TO-PHASE INSULATION...
- Publication number 20140180617
- Publication date Jun 26, 2014
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Koji Obata
- G01 - MEASURING TESTING
Information Patent Application
Rotating Machine and Insulator and Slot Liner for Rotating Machine
- Publication number 20140117805
- Publication date May 1, 2014
- Hitachi Automotive Systems, Ltd.
- Shuya Hagiwara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Person

Patents Grantslast 30 patents

A/D converter and sensor system including the same

A/D converter

Analog-to-digital converter, sensor processing circuit, and sensor...

A/D converter, sensor processing circuit, and sensor system

Digital filter, A/D converter, sensor processing circuit, and senso...

Analog-to-digital converter, sensor system , and test system

Medical system, medical device, and medical method

Amplifier circuit including first input branch circuit, second inpu...

Inverter-driven rotary electric machine, phase-to-phase insulation...

Partial-discharge measurement method and high-voltage device inspec...

Rotating electric machine and method of manufacturing same

DEM circuit, delta-sigma modulator, D/A converter, and wireless com...

Delta sigma modulator, as well as receiver device and wireless comm...

Method for testing an inverter drive rotating electric machine

Method of testing partial discharge of rotating electrical machine...

Rotating electric machine for electric vehicle, drive control devic...

Delta-sigma modulator, integrator, and wireless communication device

Resonant filter, delta-sigma A/D converter, and semiconductor device

Resonator, delta-sigma modulator, and wireless communication device

Rotating electrical machine having a plurality of cooling medium paths

Power distribution unit for rotary electric machine with linear con...

Receiving device, clock synchronizing method, and computer program

Stator for rotating machine and rotating machine using the same

Inverter-driven rotating machine system, rotating machine and inver...

Rotating electric machine, winding machine, and rotating electric m...

Rotating electrical machine and manufacturing method thereof

Data multiplexer, data multiplexing method, and recording medium

Encoding apparatus and method, and multiplexing apparatus and method

Picture signal processing method and apparatus

Decoding apparatus, decoding method, encoding apparatus, encoding m...

Patents Applicationslast 30 patents

EARTHWORK MACHINE

ERROR ANALYSIS METHOD, ERROR ANALYSIS DEVICE, AND RECORDING MEDIUM

WORK VEHICLE

CONTROL SYSTEM, WORK VEHICLE MANAGEMENT DEVICE, CONTROL DEVICE, AND...

WORK VEHICLE

MANAGEMENT DEVICE AND MANAGEMENT METHOD

AI MODULE

A/D CONVERTER

A/D CONVERTER AND SENSOR SYSTEM INCLUDING THE SAME

AI CHIP

DATA GENERATION METHOD, DECISION METHOD, PROGRAM, AND DATA GENERATI...

A/D CONVERTER, SENSOR PROCESSING CIRCUIT, AND SENSOR SYSTEM

DIGITAL FILTER, A/D CONVERTER, SENSOR PROCESSING CIRCUIT, AND SENSO...

ANALOG-TO-DIGITAL CONVERTER, SENSOR PROCESSING CIRCUIT, AND SENSOR...

ANALOG-TO-DIGITAL CONVERTER, SENSOR SYSTEM , AND TEST SYSTEM

INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING DEVICE, AND I...

WIRELESS COMMUNICATION SEMICONDUCTOR DEVICE AND MANUFACTURING METHO...

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREFOR

VIBRATION-POWERED GENERATION DEVICE AND SENSOR SYSTEM

SURGICAL SYSTEM, SURGICAL DEVICE, AND SURGICAL METHOD

AMPLIFIER CIRCUIT INCLUDING FIRST INPUT BRANCH CIRCUIT, SECOND INPU...

Partial-Discharge Measurement Method and High-Voltage Device Inspec...

Rotary Machine

Rotating Electrical Machine

Electrical Rotating Machine

DEM CIRCUIT, DELTA-SIGMA MODULATOR, D/A CONVERTER, AND WIRELESS COM...

RESONANT FILTER, DELTA-SIGMA A/D CONVERTER, AND SEMICONDUCTOR DEVICE

Rotating Electric Machine and Method for Manufacturing Stator Coil...

INVERTER-DRIVEN ROTARY ELECTRIC MACHINE, PHASE-TO-PHASE INSULATION...

Rotating Machine and Insulator and Slot Liner for Rotating Machine