Teiichiro Oka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic unit, position detection apparatus, and magnetic member
- Patent number 11,525,661
- Issue date Dec 13, 2022
- TDK Corporation
- Hiroyuki Hirano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current sensor
- Patent number 11,519,940
- Issue date Dec 6, 2022
- TDK Corporation
- Hiroyuki Hirano
- G01 - MEASURING TESTING
Information Patent Grant
Rotational angle detection device
- Patent number 11,353,526
- Issue date Jun 7, 2022
- TDK Corporation
- Yosuke Antoku
- G01 - MEASURING TESTING
Information Patent Grant
Sensor for detecting temperatures
- Patent number 11,125,785
- Issue date Sep 21, 2021
- TDK Corporation
- Teiichiro Oka
- G05 - CONTROLLING REGULATING
Information Patent Grant
Position detection system
- Patent number 11,099,033
- Issue date Aug 24, 2021
- TDK Corporation
- Hiroyuki Hirano
- G01 - MEASURING TESTING
Information Patent Grant
Sensor intermediate part, sensor and sensor manufacturing method
- Patent number 10,877,108
- Issue date Dec 29, 2020
- TDK Corporation
- Teiichiro Oka
- G01 - MEASURING TESTING
Information Patent Grant
Sensor intermediate part, sensor and sensor manufacturing method
- Patent number 10,794,967
- Issue date Oct 6, 2020
- TDK Corporation
- Teiichiro Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical head, optical reproducing apparatus, and optical recording...
- Patent number 7,569,801
- Issue date Aug 4, 2009
- TDK Corporation
- Teiichiro Oka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head, optical reproduction apparatus and optical record and...
- Patent number 7,482,573
- Issue date Jan 27, 2009
- TDK Corporation
- Teiichiro Oka
- G11 - INFORMATION STORAGE
Information Patent Grant
Light-receiving element, optical head, optical recording/reproducin...
- Patent number 7,447,139
- Issue date Nov 4, 2008
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Condenser with first and second photodetectors with three sections...
- Patent number 7,177,242
- Issue date Feb 13, 2007
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC FIELD DETECTION DEVICE, MAGNETIC SENSOR MODULE, MAGNETIC C...
- Publication number 20240019270
- Publication date Jan 18, 2024
- TDK Corporation
- Teiichiro Oka
- G01 - MEASURING TESTING
Information Patent Application
CURRENT SENSOR
- Publication number 20210263077
- Publication date Aug 26, 2021
- TDK Corporation
- Hiroyuki HIRANO
- G01 - MEASURING TESTING
Information Patent Application
SENSOR INTERMEDIATE PART, SENSOR AND SENSOR MANUFACTURING METHOD
- Publication number 20200355756
- Publication date Nov 12, 2020
- TDK Corporation
- Teiichiro OKA
- G01 - MEASURING TESTING
Information Patent Application
ROTATIONAL ANGLE DETECTION DEVICE
- Publication number 20200300941
- Publication date Sep 24, 2020
- TDK Corporation
- Yosuke ANTOKU
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC UNIT, POSITION DETECTION APPARATUS, AND MAGNETIC MEMBER
- Publication number 20200240762
- Publication date Jul 30, 2020
- TDK Corporation
- Hiroyuki HIRANO
- G01 - MEASURING TESTING
Information Patent Application
POSITION DETECTION SYSTEM
- Publication number 20200064156
- Publication date Feb 27, 2020
- TDK Corporation
- Hiroyuki HIRANO
- G01 - MEASURING TESTING
Information Patent Application
SENSOR
- Publication number 20190271601
- Publication date Sep 5, 2019
- TDK Corporation
- Teiichiro OKA
- G01 - MEASURING TESTING
Information Patent Application
SENSOR INTERMEDIATE PART, SENSOR AND SENSOR MANUFACTURING METHOD
- Publication number 20190187224
- Publication date Jun 20, 2019
- TDK Corporation
- Teiichiro OKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MOUNTING OPTICAL COMPONENT AND OPTICAL PICKUP
- Publication number 20080094736
- Publication date Apr 24, 2008
- TDK Corporation
- Sho NAKAGOMI
- G02 - OPTICS
Information Patent Application
Method of detecting focus error signal of optical head and optical...
- Publication number 20060104173
- Publication date May 18, 2006
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Method of detecting focus error signal of optical head and optical...
- Publication number 20060092778
- Publication date May 4, 2006
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Heat-conducting member, laser diode attachment auxiliary member, op...
- Publication number 20050286580
- Publication date Dec 29, 2005
- TDK Corporation
- Teiichiro Oka
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens, actuator, optical head, and optical recording/repro...
- Publication number 20050276207
- Publication date Dec 15, 2005
- TDK Corporation
- Teiichiro Oka
- G11 - INFORMATION STORAGE
Information Patent Application
Light-receiving element, optical head, optical recording/reproducin...
- Publication number 20050237904
- Publication date Oct 27, 2005
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head, optical reproduction apparatus and optical record and...
- Publication number 20050178945
- Publication date Aug 18, 2005
- TDK Corporation
- Teiichiro Oka
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head, optical recording/reproducing apparatus, and method o...
- Publication number 20050174922
- Publication date Aug 11, 2005
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head, optical reproducing apparatus, and optical recording...
- Publication number 20050135219
- Publication date Jun 23, 2005
- TDK Corporation
- Teiichiro Oka
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head, LD module, optical recording-and-reproducing apparatu...
- Publication number 20050078575
- Publication date Apr 14, 2005
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Light receiving device, light detecting device, and optical signal...
- Publication number 20040151087
- Publication date Aug 5, 2004
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE

Teiichiro Oka

Person

Patents Grantslast 30 patents

Magnetic unit, position detection apparatus, and magnetic member

Current sensor

Rotational angle detection device

Sensor for detecting temperatures

Position detection system

Sensor intermediate part, sensor and sensor manufacturing method

Sensor intermediate part, sensor and sensor manufacturing method

Optical head, optical reproducing apparatus, and optical recording...

Optical head, optical reproduction apparatus and optical record and...

Light-receiving element, optical head, optical recording/reproducin...

Condenser with first and second photodetectors with three sections...

Patents Applicationslast 30 patents

MAGNETIC FIELD DETECTION DEVICE, MAGNETIC SENSOR MODULE, MAGNETIC C...

CURRENT SENSOR

SENSOR INTERMEDIATE PART, SENSOR AND SENSOR MANUFACTURING METHOD

ROTATIONAL ANGLE DETECTION DEVICE

MAGNETIC UNIT, POSITION DETECTION APPARATUS, AND MAGNETIC MEMBER

POSITION DETECTION SYSTEM

SENSOR

SENSOR INTERMEDIATE PART, SENSOR AND SENSOR MANUFACTURING METHOD

METHOD OF MOUNTING OPTICAL COMPONENT AND OPTICAL PICKUP

Method of detecting focus error signal of optical head and optical...

Method of detecting focus error signal of optical head and optical...

Heat-conducting member, laser diode attachment auxiliary member, op...

Objective lens, actuator, optical head, and optical recording/repro...

Light-receiving element, optical head, optical recording/reproducin...

Optical head, optical reproduction apparatus and optical record and...

Optical head, optical recording/reproducing apparatus, and method o...

Optical head, optical reproducing apparatus, and optical recording...

Optical head, LD module, optical recording-and-reproducing apparatu...

Light receiving device, light detecting device, and optical signal...