Keiji Nakamura

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrode-misalignment detection device in resistance welder
- Patent number 12,000,695
- Issue date Jun 4, 2024
- SUBARU CORPORATION
- Keiji Nakamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Headlight module and headlight device
- Patent number 10,851,957
- Issue date Dec 1, 2020
- Mitsubishi Electric Corporation
- Masashige Suwa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Illumination device
- Patent number 10,564,381
- Issue date Feb 18, 2020
- Mitsubishi Electric Corporation
- Ritsuya Oshima
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Welding assistance member and spot-welding method using welding ass...
- Patent number 10,549,377
- Issue date Feb 4, 2020
- SUBARU CORPORATION
- Akiko Inami
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Headlight module and headlight device
- Patent number 10,539,287
- Issue date Jan 21, 2020
- Mitsubishi Electric Corporation
- Masashige Suwa
- F21 - LIGHTING
Information Patent Grant
Headlight module with two light guides receiving light from two lig...
- Patent number 10,495,277
- Issue date Dec 3, 2019
- Mitsubishi Electric Corporation
- Masashige Suwa
- F21 - LIGHTING
Information Patent Grant
Member joining structure
- Patent number 10,052,711
- Issue date Aug 21, 2018
- SUBARU CORPORATION
- Noboru Sakamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hemmed structure and hemming method
- Patent number 9,688,047
- Issue date Jun 27, 2017
- Fuji Jukogyo Kabushiki Kaisha
- Akiko Inami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Light source device
- Patent number 9,341,793
- Issue date May 17, 2016
- Mitsubishi Electric Corporation
- Seiji Nakano
- G02 - OPTICS
Information Patent Grant
Optical-system driving device effecting switchover between objectiv...
- Patent number 8,171,506
- Issue date May 1, 2012
- Mitsubishi Electric Corporation
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Object lens driving apparatus and manufacturing method thereof
- Patent number 8,154,980
- Issue date Apr 10, 2012
- Mitsubishi Electric Corporation
- Mitoru Yabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical driving device including a holder with a top face having a...
- Patent number 8,042,130
- Issue date Oct 18, 2011
- Mitsubishi Electric Corporation
- Mitoru Yabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving apparatus, assembling method thereof and opt...
- Patent number 7,870,572
- Issue date Jan 11, 2011
- Mitsubishi Electric Corporation
- Mitoru Yabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical element driving apparatus
- Patent number 7,701,812
- Issue date Apr 20, 2010
- Mitsubishi Electric Corporation
- Nobuo Takeshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens drive device
- Patent number 7,239,461
- Issue date Jul 3, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Mitoru Yabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving apparatus
- Patent number 7,031,234
- Issue date Apr 18, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens-driving apparatus
- Patent number 7,016,125
- Issue date Mar 21, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving apparatus
- Patent number 6,894,850
- Issue date May 17, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving apparatus
- Patent number 6,888,689
- Issue date May 3, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens-driving apparatus
- Patent number 6,687,062
- Issue date Feb 3, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Light amplifier and light transmission system using the same
- Patent number 6,646,792
- Issue date Nov 11, 2003
- NEC Corporation
- Keiji Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical wavelength tunable filter
- Patent number 6,449,411
- Issue date Sep 10, 2002
- NEC Corporation
- Keiji Nakamura
- G02 - OPTICS
Information Patent Grant
Optical fiber amplifier surge protective apparatus
- Patent number 6,229,643
- Issue date May 8, 2001
- NEC Corporation
- Keiji Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical information processing device having switchable optics for...
- Patent number 5,986,984
- Issue date Nov 16, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording and reproducing apparatus for tracking wobbling g...
- Patent number 5,434,834
- Issue date Jul 18, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Masahisa Shinoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording and reproducing apparatus for tracking wobbling g...
- Patent number 5,383,169
- Issue date Jan 17, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Masahisa Shinoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording/reproducing system having an electromagne...
- Patent number 5,305,294
- Issue date Apr 19, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Kenjiro Kime
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording and reproducing apparatus for tracking wobbling g...
- Patent number 5,303,216
- Issue date Apr 12, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Masahisa Shinoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording and reproducing disk device having a bimo...
- Patent number 5,247,493
- Issue date Sep 21, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Kenjiro Kime
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for maintaining a disk and optical head in orthogonal rel...
- Patent number 5,182,739
- Issue date Jan 26, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Kenjiro Kime
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRODE-MISALIGNMENT DETECTION DEVICE IN RESISTANCE WELDER
- Publication number 20220196399
- Publication date Jun 23, 2022
- SUBARU CORPORATION
- Keiji Nakamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ILLUMINATION DEVICE
- Publication number 20190204528
- Publication date Jul 4, 2019
- Mitsubishi Electric Corporation
- Ritsuya OSHIMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
HEADLIGHT MODULE AND HEADLIGHT DEVICE
- Publication number 20190017675
- Publication date Jan 17, 2019
- Mitsubishi Electric Corporation
- Masashige SUWA
- F21 - LIGHTING
Information Patent Application
HEADLIGHT MODULE
- Publication number 20190011103
- Publication date Jan 10, 2019
- Mitsubishi Electric Corporation
- Masashige SUWA
- F21 - LIGHTING
Information Patent Application
MEMBER JOINING STRUCTURE
- Publication number 20180297142
- Publication date Oct 18, 2018
- SUBARU CORPORATION
- Noboru Sakamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHTING APPARATUS
- Publication number 20180245763
- Publication date Aug 30, 2018
- Mitsubishi Electric Corporation
- Ritsuya OSHIMA
- F21 - LIGHTING
Information Patent Application
HEADLIGHT MODULE AND HEADLIGHT DEVICE
- Publication number 20180128442
- Publication date May 10, 2018
- Mitsubishi Electric Corporation
- Masashige SUWA
- B60 - VEHICLES IN GENERAL
Information Patent Application
WELDING ASSISTANCE MEMBER AND SPOT-WELDING METHOD USING WELDING ASS...
- Publication number 20160243643
- Publication date Aug 25, 2016
- Fuji Jukogyo Kabushiki Kaisha
- Akiko INAMI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HEMMED STRUCTURE AND HEMMING METHOD
- Publication number 20160082687
- Publication date Mar 24, 2016
- Fuji Jukogyo Kabushiki Kaisha
- Akiko Inami
- B32 - LAYERED PRODUCTS
Information Patent Application
Member Joining Structure
- Publication number 20150273620
- Publication date Oct 1, 2015
- Fuji Jukogyo Kabushiki Kaisha
- Noboru Sakamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT SOURCE DEVICE
- Publication number 20150098241
- Publication date Apr 9, 2015
- Mitsubishi Electric Corporation
- Seiji NAKANO
- G02 - OPTICS
Information Patent Application
Optical-system driving device
- Publication number 20100162282
- Publication date Jun 24, 2010
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical-Means Driving Device
- Publication number 20100153980
- Publication date Jun 17, 2010
- Mitoru Yabe
- G11 - INFORMATION STORAGE
Information Patent Application
OBJECT LENS DRIVING APPARATUS AND MANUFACTURING METHOD THEREOF
- Publication number 20100067351
- Publication date Mar 18, 2010
- Mitoru Yabe
- G11 - INFORMATION STORAGE
Information Patent Application
Optical element driving apparatus
- Publication number 20080192365
- Publication date Aug 14, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Nobuo Takeshita
- G02 - OPTICS
Information Patent Application
Objective Lens Driving Apparatus, Assembling Method Thereof and Opt...
- Publication number 20080104622
- Publication date May 1, 2008
- Mitoru Yabe
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens-driving apparatus
- Publication number 20050076353
- Publication date Apr 7, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens driving apparatus
- Publication number 20040190403
- Publication date Sep 30, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens driving apparatus
- Publication number 20040190163
- Publication date Sep 30, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens driving apparatus
- Publication number 20030179471
- Publication date Sep 25, 2003
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens-driving apparatus
- Publication number 20030090816
- Publication date May 15, 2003
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Light amplifier and light transmission system using the same
- Publication number 20030090785
- Publication date May 15, 2003
- NEC Corporation
- Keiji Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Multi-wavelength light source for use in optical communication and...
- Publication number 20020024717
- Publication date Feb 28, 2002
- NEC Corporation
- Keiji Nakamura
- G02 - OPTICS

Keiji Nakamura

Person

Patents Grantslast 30 patents

Electrode-misalignment detection device in resistance welder

Headlight module and headlight device

Illumination device

Welding assistance member and spot-welding method using welding ass...

Headlight module and headlight device

Headlight module with two light guides receiving light from two lig...

Member joining structure

Hemmed structure and hemming method

Light source device

Optical-system driving device effecting switchover between objectiv...

Object lens driving apparatus and manufacturing method thereof

Optical driving device including a holder with a top face having a...

Objective lens driving apparatus, assembling method thereof and opt...

Optical element driving apparatus

Objective lens drive device

Objective lens driving apparatus

Objective lens-driving apparatus

Objective lens driving apparatus

Objective lens driving apparatus

Objective lens-driving apparatus

Light amplifier and light transmission system using the same

Optical wavelength tunable filter

Optical fiber amplifier surge protective apparatus

Optical information processing device having switchable optics for...

Optical recording and reproducing apparatus for tracking wobbling g...

Optical recording and reproducing apparatus for tracking wobbling g...

Magneto-optical recording/reproducing system having an electromagne...

Optical recording and reproducing apparatus for tracking wobbling g...

Magneto-optical recording and reproducing disk device having a bimo...

Apparatus for maintaining a disk and optical head in orthogonal rel...

Patents Applicationslast 30 patents

ELECTRODE-MISALIGNMENT DETECTION DEVICE IN RESISTANCE WELDER

ILLUMINATION DEVICE

HEADLIGHT MODULE AND HEADLIGHT DEVICE

HEADLIGHT MODULE

MEMBER JOINING STRUCTURE

LIGHTING APPARATUS

HEADLIGHT MODULE AND HEADLIGHT DEVICE

WELDING ASSISTANCE MEMBER AND SPOT-WELDING METHOD USING WELDING ASS...

HEMMED STRUCTURE AND HEMMING METHOD

Member Joining Structure

LIGHT SOURCE DEVICE

Optical-system driving device

Optical-Means Driving Device

OBJECT LENS DRIVING APPARATUS AND MANUFACTURING METHOD THEREOF

Optical element driving apparatus

Objective Lens Driving Apparatus, Assembling Method Thereof and Opt...

Objective lens-driving apparatus

Objective lens driving apparatus

Objective lens driving apparatus

Objective lens driving apparatus

Objective lens-driving apparatus

Light amplifier and light transmission system using the same

Multi-wavelength light source for use in optical communication and...