Kenji Kitamura

Person

Tsuchiura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Battery polarity determination circuit, charger, and electronic device
- Patent number 11,936,223
- Issue date Mar 19, 2024
- FDK Corporation
- Kenji Kitamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery charger
- Patent number D1012017
- Issue date Jan 23, 2024
- FDK Corporation
- Takashi Kanou
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Charger and charging method
- Patent number 11,742,685
- Issue date Aug 29, 2023
- FDK Corporation
- Takashi Kanou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Automatic charger
- Patent number 11,387,660
- Issue date Jul 12, 2022
- FDK Corporation
- Takashi Kanou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Charger having failure detection function and failure detection method
- Patent number 11,228,186
- Issue date Jan 18, 2022
- FDK Corporation
- Takashi Kanou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging circuit
- Patent number 10,951,048
- Issue date Mar 16, 2021
- FDK Corporation
- Yasunari Mizoguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Proton conductor and fuel cell
- Patent number 10,756,372
- Issue date Aug 25, 2020
- Japan Science and Technology Agency
- Yutaka Kazoe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Substrate for surface enhanced Raman spectroscopy analysis and manu...
- Patent number 9,074,938
- Issue date Jul 7, 2015
- University of Washington
- Xiaoyan Liu
- G01 - MEASURING TESTING
Information Patent Grant
Iodide single crystal, production process thereof, and scintillator...
- Patent number 8,778,225
- Issue date Jul 15, 2014
- Sakai Chemical Industry Co., Ltd.
- Kiyoshi Shimamura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for forming polarization reversal
- Patent number 8,669,121
- Issue date Mar 11, 2014
- Sumitomo Osaka Cement Co., Ltd.
- Futoshi Yamamoto
- G02 - OPTICS
Information Patent Grant
Method for forming polarization reversal
- Patent number 8,524,509
- Issue date Sep 3, 2013
- Sumitomo Osaka Cement Co., Ltd.
- Futoshi Yamamoto
- G02 - OPTICS
Information Patent Grant
Method for forming polarization reversal
- Patent number 8,293,543
- Issue date Oct 23, 2012
- Sumitomo Osaka Cement Co., Ltd.
- Futoshi Yamamoto
- G02 - OPTICS
Information Patent Grant
Method of fixing polarization-reversed region formed in ferroelectr...
- Patent number 8,223,427
- Issue date Jul 17, 2012
- National Institute for Materials Science
- Xiaoyan Liu
- G02 - OPTICS
Information Patent Grant
Method for forming ferroelectric spontaneous polarization reversal
- Patent number 8,193,004
- Issue date Jun 5, 2012
- Sumitomo Osaka Cement Co., Ltd.
- Futoshi Yamamoto
- G02 - OPTICS
Information Patent Grant
Lens material, optical electronic component and optical electronic...
- Patent number 7,999,983
- Issue date Aug 16, 2011
- National Institute for Materials Science
- Makoto Kumatoriya
- G02 - OPTICS
Information Patent Grant
Optical device and method of manufacturing the same
- Patent number 7,985,294
- Issue date Jul 26, 2011
- Sumitomo Osaka Cement Co., Ltd.
- Futoshi Yamamoto
- G02 - OPTICS
Information Patent Grant
Method of forming polarization reversal area, apparatus thereof and...
- Patent number 7,976,717
- Issue date Jul 12, 2011
- National Institute for Materials Science
- Xijun Li
- G02 - OPTICS
Information Patent Grant
Nested modulator
- Patent number 7,689,067
- Issue date Mar 30, 2010
- Sumitomo Osaka Cement Co., Ltd.
- Junichiro Ichikawa
- G02 - OPTICS
Information Patent Grant
Process for producing flaky titanium oxide capable of absorbing vis...
- Patent number 7,651,675
- Issue date Jan 26, 2010
- National Institute for Materials Science
- Taki Matsumoto
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of inverting polarization by controlling defect density or d...
- Patent number 7,446,930
- Issue date Nov 4, 2008
- National Institute for Materials Science
- Kenji Kitamura
- G02 - OPTICS
Information Patent Grant
Wavelength conversion element having multi-gratings and light gener...
- Patent number 7,403,327
- Issue date Jul 22, 2008
- National Institute for Materials Science
- Kenji Kitamura
- G02 - OPTICS
Information Patent Grant
Optical device
- Patent number 7,260,280
- Issue date Aug 21, 2007
- Sumitomo Osaka Cement Co., Ltd.
- Masayuki Ichioka
- G02 - OPTICS
Information Patent Grant
Optical device
- Patent number 7,174,059
- Issue date Feb 6, 2007
- Sumitomo Osaka Cement Co., Ltd.
- Satoshi Oikawa
- G02 - OPTICS
Information Patent Grant
Holographic recording medium and holographic recording/reproducing...
- Patent number 6,856,433
- Issue date Feb 15, 2005
- Pioneer Corporation
- Hideki Hatano
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for treating photorefractive effect of an optical device and...
- Patent number 6,814,800
- Issue date Nov 9, 2004
- National Institute for Materials Science
- Kenji Kitamura
- G02 - OPTICS
Information Patent Grant
Optically functional device, single crystal substrate for the devic...
- Patent number 6,747,787
- Issue date Jun 8, 2004
- National Institute for Research in Inorganic Materials
- Yasunori Furukawa
- G02 - OPTICS
Information Patent Grant
Semiconductor device
- Patent number 6,740,935
- Issue date May 25, 2004
- Seiko Instruments Inc.
- Kenji Kitamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single crystal of lithium niobate or tantalate and its optical elem...
- Patent number 6,673,330
- Issue date Jan 6, 2004
- National Institute for Research in Inorganic Materials
- Kenji Kitamura
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Photorefractive material
- Patent number 6,670,079
- Issue date Dec 30, 2003
- Director General of National Institute for Research in Inorganic Materials
- Kenji Kitamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optically functional device, single crystal substrate for the devic...
- Patent number 6,624,923
- Issue date Sep 23, 2003
- National Institute for Research in Inorganic Materials
- Yasunori Furukawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
BACKUP POWER SUPPLY DEVICE
- Publication number 20240128747
- Publication date Apr 18, 2024
- FDK CORPORATION
- Kenji KITAMURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY BANK UNIT, REMAINING CHARGE TIME CALCULATION METHOD, AND RE...
- Publication number 20230144462
- Publication date May 11, 2023
- FDK CORPORATION
- Shun MOCHIZUKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGER AND CHARGING METHOD
- Publication number 20220029445
- Publication date Jan 27, 2022
- FDK CORPORATION
- Takashi Kanou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY POLARITY DETERMINATION CIRCUIT, CHARGER, AND ELECTRONIC DEVICE
- Publication number 20210376617
- Publication date Dec 2, 2021
- FDK CORPORATION
- Kenji Kitamura
- G01 - MEASURING TESTING
Information Patent Application
AUTOMATIC CHARGER
- Publication number 20210036530
- Publication date Feb 4, 2021
- FDK CORPORATION
- Takashi Kanou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGER HAVING FAILURE DETECTION FUNCTION AND FAILURE DETECTION METHOD
- Publication number 20210028633
- Publication date Jan 28, 2021
- FDK CORPORATION
- Takashi Kanou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHARGING CIRCUIT
- Publication number 20190006856
- Publication date Jan 3, 2019
- FDK CORPORATION
- Yasunari Mizoguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PROTON CONDUCTOR AND FUEL CELL
- Publication number 20170250430
- Publication date Aug 31, 2017
- Japan Science and Technology Agency
- Yutaka KAZOE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBSTRATE FOR SURFACE ENHANCED RAMAN SPECTROSCOPY ANALYSIS AND MANU...
- Publication number 20140002816
- Publication date Jan 2, 2014
- NATIONAL INSTITUTE FOR MATERIALS SCIENCE
- Xiaoyan Liu
- G01 - MEASURING TESTING
Information Patent Application
Method for forming polarization reversal
- Publication number 20110206860
- Publication date Aug 25, 2011
- Sumitomo Osaka Cement Co., Ltd.
- Futoshi Yamamoto
- G02 - OPTICS
Information Patent Application
Method for forming polarization reversal
- Publication number 20110197432
- Publication date Aug 18, 2011
- Sumitomo Osaka Cement Co., Ltd.
- Futoshi Yamamoto
- G02 - OPTICS
Information Patent Application
Method for forming polarization reversal
- Publication number 20110201133
- Publication date Aug 18, 2011
- Sumitomo Osaka Cement Co., Ltd.
- Futoshi Yamamoto
- G02 - OPTICS
Information Patent Application
APPARATUS AND PROCESS FOR FABRICATING ARTIFICIAL OPAL FILMS
- Publication number 20110014380
- Publication date Jan 20, 2011
- NATIONAL INSTITUTE FOR MATERIALS SCIENCE
- Hiroshi Fudoji
- G02 - OPTICS
Information Patent Application
Iodide single crystal, method for production the iodide single crys...
- Publication number 20100065779
- Publication date Mar 18, 2010
- SAKAI CHEMICAL INDUSTRY CO., LTD.
- Kiyoshi Shimamura
- C30 - CRYSTAL GROWTH
Information Patent Application
Method of Fixing Polarization-Reversed Region Formed in Ferroelectr...
- Publication number 20090231703
- Publication date Sep 17, 2009
- NATIONAL INSTITUTE FOR MATERIALS SCIENCE
- Xiaoyan Liu
- G02 - OPTICS
Information Patent Application
Method of Forming Polarization Reversal Area, Apparatus thereof and...
- Publication number 20090130476
- Publication date May 21, 2009
- NATIONAL INSTITUTE FOR MATERIALS SCIENCE
- Xijun Li
- G02 - OPTICS
Information Patent Application
LENS MATERIAL, OPTICAL ELECTRONIC COMPONENT AND OPTICAL ELECTRONIC...
- Publication number 20090108232
- Publication date Apr 30, 2009
- National Institute for Materials Science
- Makoto KUMATORIYA
- C30 - CRYSTAL GROWTH
Information Patent Application
Nested modulator
- Publication number 20080212915
- Publication date Sep 4, 2008
- Sumitomo Osaka Cement Co., Ltd.
- Junichiro Ichikawa
- G02 - OPTICS
Information Patent Application
Process for Producing Flaky Titanium Oxide Capable of Absorbing Vis...
- Publication number 20080003153
- Publication date Jan 3, 2008
- National Institute For Materials Science
- Taki Matsumoto
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Wavelength conversion element having multi-gratings and light gener...
- Publication number 20070127107
- Publication date Jun 7, 2007
- NATIONAL INSTITUTE FOR MATERIALS SCIENCE
- Kenji Kitamura
- G02 - OPTICS
Information Patent Application
Method of inverting polarization by controlling defect density or d...
- Publication number 20070053054
- Publication date Mar 8, 2007
- National Institute for Materials Science
- Kenji Kitamura
- G02 - OPTICS
Information Patent Application
Optical device and method of manufacturing the same
- Publication number 20070014014
- Publication date Jan 18, 2007
- Sumitomo Osaka Cement Co., Ltd.
- Futoshi Yamamoto
- G02 - OPTICS
Information Patent Application
Optical device
- Publication number 20060269184
- Publication date Nov 30, 2006
- Sumitomo Osaka Cement Co., Ltd.
- Masayuki Ichioka
- G02 - OPTICS
Information Patent Application
Method for forming polarization reversal
- Publication number 20060079006
- Publication date Apr 13, 2006
- Sumitomo Osaka Cement Co., Ltd.
- Futoshi Yamamoto
- G02 - OPTICS
Information Patent Application
Optical device
- Publication number 20050271313
- Publication date Dec 8, 2005
- Sumitomo Osaka Cement Co., Ltd.
- Satoshi Oikawa
- G02 - OPTICS
Information Patent Application
Ferroelectric material, two-color holographic recording medium, and...
- Publication number 20040234867
- Publication date Nov 25, 2004
- PIONEER CORPORATION
- Hideki Hatano
- G11 - INFORMATION STORAGE
Information Patent Application
Method for treating photorefractive effect of an optical device and...
- Publication number 20040173138
- Publication date Sep 9, 2004
- NATIONAL INSTITUTE FOR MATERIALS SCIENCE
- Kenji Kitamura
- G02 - OPTICS
Information Patent Application
Holographic recording medium and holographic recording/reproducing...
- Publication number 20040120020
- Publication date Jun 24, 2004
- PIONEER CORPORATION
- Hideki Hatano
- G11 - INFORMATION STORAGE
Information Patent Application
Pretreatment method for hologram recording medium
- Publication number 20030064294
- Publication date Apr 3, 2003
- Independent Administrative Institution National Institute for Materials Science
- Kenji Kitamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Semiconductor device and method of fabricating the same
- Publication number 20030013245
- Publication date Jan 16, 2003
- Seiko Instruments Inc.
- Kenji Kitamura
- H01 - BASIC ELECTRIC ELEMENTS

Kenji Kitamura

Person

Patents Grantslast 30 patents

Battery polarity determination circuit, charger, and electronic device

Battery charger

Charger and charging method

Automatic charger

Charger having failure detection function and failure detection method

Charging circuit

Proton conductor and fuel cell

Substrate for surface enhanced Raman spectroscopy analysis and manu...

Iodide single crystal, production process thereof, and scintillator...

Method for forming polarization reversal

Method for forming polarization reversal

Method for forming polarization reversal

Method of fixing polarization-reversed region formed in ferroelectr...

Method for forming ferroelectric spontaneous polarization reversal

Lens material, optical electronic component and optical electronic...

Optical device and method of manufacturing the same

Method of forming polarization reversal area, apparatus thereof and...

Nested modulator

Process for producing flaky titanium oxide capable of absorbing vis...

Method of inverting polarization by controlling defect density or d...

Wavelength conversion element having multi-gratings and light gener...

Optical device

Optical device

Holographic recording medium and holographic recording/reproducing...

Method for treating photorefractive effect of an optical device and...

Optically functional device, single crystal substrate for the devic...

Semiconductor device

Single crystal of lithium niobate or tantalate and its optical elem...

Photorefractive material

Optically functional device, single crystal substrate for the devic...

Patents Applicationslast 30 patents

BACKUP POWER SUPPLY DEVICE

BATTERY BANK UNIT, REMAINING CHARGE TIME CALCULATION METHOD, AND RE...

CHARGER AND CHARGING METHOD

BATTERY POLARITY DETERMINATION CIRCUIT, CHARGER, AND ELECTRONIC DEVICE

AUTOMATIC CHARGER

CHARGER HAVING FAILURE DETECTION FUNCTION AND FAILURE DETECTION METHOD

CHARGING CIRCUIT

PROTON CONDUCTOR AND FUEL CELL

SUBSTRATE FOR SURFACE ENHANCED RAMAN SPECTROSCOPY ANALYSIS AND MANU...

Method for forming polarization reversal

Method for forming polarization reversal

Method for forming polarization reversal

APPARATUS AND PROCESS FOR FABRICATING ARTIFICIAL OPAL FILMS

Iodide single crystal, method for production the iodide single crys...

Method of Fixing Polarization-Reversed Region Formed in Ferroelectr...

Method of Forming Polarization Reversal Area, Apparatus thereof and...

LENS MATERIAL, OPTICAL ELECTRONIC COMPONENT AND OPTICAL ELECTRONIC...

Nested modulator

Process for Producing Flaky Titanium Oxide Capable of Absorbing Vis...

Wavelength conversion element having multi-gratings and light gener...

Method of inverting polarization by controlling defect density or d...

Optical device and method of manufacturing the same

Optical device

Method for forming polarization reversal

Optical device

Ferroelectric material, two-color holographic recording medium, and...

Method for treating photorefractive effect of an optical device and...

Holographic recording medium and holographic recording/reproducing...

Pretreatment method for hologram recording medium

Semiconductor device and method of fabricating the same