Kenya Nakai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Particle detection device
- Patent number 11,719,615
- Issue date Aug 8, 2023
- Mitsubishi Electric Corporation
- Kenya Nakai
- G01 - MEASURING TESTING
Information Patent Grant
Light detection device
- Patent number 10,788,362
- Issue date Sep 29, 2020
- Mitsubishi Electric Corporation
- Masayuki Omaki
- G01 - MEASURING TESTING
Information Patent Grant
Micro object detection apparatus
- Patent number 10,670,522
- Issue date Jun 2, 2020
- Mitsubishi Electric Corporation
- Kenya Nakai
- G01 - MEASURING TESTING
Information Patent Grant
Micro object detection apparatus
- Patent number 10,241,043
- Issue date Mar 26, 2019
- Mitsubishi Electric Corporation
- Kenya Nakai
- G01 - MEASURING TESTING
Information Patent Grant
Micro object detection apparatus
- Patent number 10,203,280
- Issue date Feb 12, 2019
- Mitsubishi Electric Corporation
- Kenya Nakai
- G01 - MEASURING TESTING
Information Patent Grant
Floating particle detection device
- Patent number 9,958,376
- Issue date May 1, 2018
- Mitsubishi Electric Corporation
- Kenya Nakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image protection device and adjustment method
- Patent number 9,936,176
- Issue date Apr 3, 2018
- Mitsubishi Electric Corporation
- Kenya Nakai
- G02 - OPTICS
Information Patent Grant
Optical information recording medium and recording/reproducing device
- Patent number 9,472,231
- Issue date Oct 18, 2016
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head device and optical disc device
- Patent number 9,007,881
- Issue date Apr 14, 2015
- Mitsubishi Electric Corporation
- Masayuki Omaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc device, optical disc and testing method of optical disc
- Patent number 8,971,163
- Issue date Mar 3, 2015
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing device, signal processing method, and optical dis...
- Patent number 8,787,135
- Issue date Jul 22, 2014
- Mitsubishi Electric Corporation
- Masayuki Omaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc medium and optical disc device
- Patent number 8,693,295
- Issue date Apr 8, 2014
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium and drive device
- Patent number 8,537,653
- Issue date Sep 17, 2013
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head device and optical disc device
- Patent number 8,472,300
- Issue date Jun 25, 2013
- Mitsubishi Electric Corporation
- Masahisa Shinoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device
- Patent number 8,355,309
- Issue date Jan 15, 2013
- Funai Electric Co., Ltd.
- Noritaka Tanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc device
- Patent number 8,339,909
- Issue date Dec 25, 2012
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head apparatus, optical disk apparatus and optical disk
- Patent number 8,270,264
- Issue date Sep 18, 2012
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Diffractive optical element and optical pickup
- Patent number 8,134,908
- Issue date Mar 13, 2012
- Mitsubishi Electric Corporation
- Masahisa Shinoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head device and optical disk playback system
- Patent number 8,130,621
- Issue date Mar 6, 2012
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Extraction optical system and optical head device including the same
- Patent number 8,014,257
- Issue date Sep 6, 2011
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical device and optical disc apparatus utilizing the optical device
- Patent number 7,839,733
- Issue date Nov 23, 2010
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical-pickup-adjustment optical disk, method of adjusting optical...
- Patent number 7,782,730
- Issue date Aug 24, 2010
- Mitsubishi Electric Corporation
- Masahisa Shinoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head device and optical disk apparatus
- Patent number 7,697,401
- Issue date Apr 13, 2010
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser unit and optical head device
- Patent number 7,266,072
- Issue date Sep 4, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Masahisa Shinoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser unit and optical head device
- Patent number 6,912,192
- Issue date Jun 28, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Masahisa Shinoda
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PARTICLE DETECTION DEVICE
- Publication number 20210255086
- Publication date Aug 19, 2021
- Mitsubishi Electric Corporation
- Kenya NAKAI
- G01 - MEASURING TESTING
Information Patent Application
MICRO OBJECT DETECTION APPARATUS
- Publication number 20190162661
- Publication date May 30, 2019
- Mitsubishi Electric Corporation
- Kenya NAKAI
- G01 - MEASURING TESTING
Information Patent Application
LIGHT DETECTION DEVICE
- Publication number 20190154500
- Publication date May 23, 2019
- Mitsubishi Electric Corporation
- Masayuki Omaki
- G01 - MEASURING TESTING
Information Patent Application
MICRO OBJECT DETECTION APPARATUS
- Publication number 20180321147
- Publication date Nov 8, 2018
- Mitsubishi Electric Corporation
- Kenya NAKAI
- G01 - MEASURING TESTING
Information Patent Application
FLOATING PARTICLE DETECTION DEVICE
- Publication number 20170038290
- Publication date Feb 9, 2017
- Mitsubishi Electric Corporation
- Kenya NAKAI
- G01 - MEASURING TESTING
Information Patent Application
IMAGE PROJECTION DEVICE AND ADJUSTMENT METHOD
- Publication number 20160330418
- Publication date Nov 10, 2016
- Mitsubishi Electric Corporation
- Kenya NAKAI
- G02 - OPTICS
Information Patent Application
OPTICAL INFORMATION RECORDING MEDIUM AND RECORDING/REPRODUCING DEVICE
- Publication number 20150332726
- Publication date Nov 19, 2015
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL HEAD DEVICE AND OPTICAL DISC DEVICE
- Publication number 20140321251
- Publication date Oct 30, 2014
- Mitsubishi Electric Corporation
- Masayuki Omaki
- G11 - INFORMATION STORAGE
Information Patent Application
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND OPTICAL DIS...
- Publication number 20140043950
- Publication date Feb 13, 2014
- Mitsubishi Electric Corporation
- Masayuki Omaki
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC DEVICE, OPTICAL DISC AND TESTING METHOD OF OPTICAL DISC
- Publication number 20130286808
- Publication date Oct 31, 2013
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL INFORMATION RECORDING MEDIUM AND DRIVE DEVICE
- Publication number 20130114385
- Publication date May 9, 2013
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL HEAD DEVICE AND OPTICAL DISC DEVICE
- Publication number 20120106310
- Publication date May 3, 2012
- Masahisa Shinoda
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC DEVICE
- Publication number 20120014237
- Publication date Jan 19, 2012
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP DEVICE
- Publication number 20100226233
- Publication date Sep 9, 2010
- Noritaka TANABE
- G11 - INFORMATION STORAGE
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL PICKUP
- Publication number 20100097917
- Publication date Apr 22, 2010
- Masahisa Shinoda
- G02 - OPTICS
Information Patent Application
OPTICAL DISC MEDIUM AND OPTICAL DISC DEVICE
- Publication number 20090303850
- Publication date Dec 10, 2009
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Optical-pickup-adjustment optical disk, method of adjusting optical...
- Publication number 20080205235
- Publication date Aug 28, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Masahisa Shinoda
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Device and Optical Disc Apparatus Utilizing the Optical Device
- Publication number 20080137495
- Publication date Jun 12, 2008
- Mitsubishi Electric Corporation
- Kenya Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor laser unit and optical head device
- Publication number 20050094693
- Publication date May 5, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Masahisa Shinoda
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor laser unit and optical head device
- Publication number 20030231670
- Publication date Dec 18, 2003
- Masahisa Shinoda
- G11 - INFORMATION STORAGE

Kenya Nakai

Person

Patents Grantslast 30 patents

Particle detection device

Light detection device

Micro object detection apparatus

Micro object detection apparatus

Micro object detection apparatus

Floating particle detection device

Image protection device and adjustment method

Optical information recording medium and recording/reproducing device

Optical head device and optical disc device

Optical disc device, optical disc and testing method of optical disc

Signal processing device, signal processing method, and optical dis...

Optical disc medium and optical disc device

Optical information recording medium and drive device

Optical head device and optical disc device

Optical pickup device

Optical disc device

Optical head apparatus, optical disk apparatus and optical disk

Diffractive optical element and optical pickup

Optical head device and optical disk playback system

Extraction optical system and optical head device including the same

Optical device and optical disc apparatus utilizing the optical device

Optical-pickup-adjustment optical disk, method of adjusting optical...

Optical head device and optical disk apparatus

Semiconductor laser unit and optical head device

Semiconductor laser unit and optical head device

Patents Applicationslast 30 patents

PARTICLE DETECTION DEVICE

MICRO OBJECT DETECTION APPARATUS

LIGHT DETECTION DEVICE

MICRO OBJECT DETECTION APPARATUS

FLOATING PARTICLE DETECTION DEVICE

IMAGE PROJECTION DEVICE AND ADJUSTMENT METHOD

OPTICAL INFORMATION RECORDING MEDIUM AND RECORDING/REPRODUCING DEVICE

OPTICAL HEAD DEVICE AND OPTICAL DISC DEVICE

SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND OPTICAL DIS...

OPTICAL DISC DEVICE, OPTICAL DISC AND TESTING METHOD OF OPTICAL DISC

OPTICAL INFORMATION RECORDING MEDIUM AND DRIVE DEVICE

OPTICAL HEAD DEVICE AND OPTICAL DISC DEVICE

OPTICAL DISC DEVICE

OPTICAL PICKUP DEVICE

DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL PICKUP

OPTICAL DISC MEDIUM AND OPTICAL DISC DEVICE

Optical-pickup-adjustment optical disk, method of adjusting optical...

Optical Device and Optical Disc Apparatus Utilizing the Optical Device

Semiconductor laser unit and optical head device

Semiconductor laser unit and optical head device