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Yumiko ANZAI
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Patents Grants
last 30 patents
Information
Patent Grant
Light guide plate and image display device
Patent number
11,561,393
Issue date
Jan 24, 2023
Hitachi-LG Data Storage, Inc.
Hiroyuki Minemura
G02 - OPTICS
Information
Patent Grant
Electron microscope
Patent number
11,251,011
Issue date
Feb 15, 2022
HITACHI HIGH-TECH CORPORATION
Takashi Ohshima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron microscope
Patent number
11,087,947
Issue date
Aug 10, 2021
HITACHI HIGH-TECH CORPORATION
Takashi Ohshima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical element, manufacturing method of optical element, and optic...
Patent number
10,310,321
Issue date
Jun 4, 2019
MAXELL, LTD.
Koji Hirata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical measurement method and appartus
Patent number
10,041,874
Issue date
Aug 7, 2018
Hitachi-LG Data Storage, Inc.
Hiroyuki Minemura
G01 - MEASURING TESTING
Information
Patent Grant
Optical element and optical device
Patent number
9,933,553
Issue date
Apr 3, 2018
Hitachi Maxell, Ltd.
Koji Hirata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical measuring device
Patent number
9,772,178
Issue date
Sep 26, 2017
Hitachi-LG Data Storage, Inc.
Kentaro Osawa
G01 - MEASURING TESTING
Information
Patent Grant
Optical element and optical apparatus
Patent number
9,557,462
Issue date
Jan 31, 2017
Hitachi Maxell, Ltd.
Hiroyuki Minemura
G02 - OPTICS
Information
Patent Grant
Optical element and optical apparatus
Patent number
8,891,168
Issue date
Nov 18, 2014
Hitachi, Ltd.
Hiroyuki Minemura
G02 - OPTICS
Information
Patent Grant
Semiconductor memory device
Patent number
8,735,865
Issue date
May 27, 2014
Hitachi, Ltd.
Hiroyuki Minemura
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor storage device
Patent number
8,658,998
Issue date
Feb 25, 2014
Hitachi, Ltd.
Hiroyuki Minemura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multi-information-layer recording medium and manufacturing process
Patent number
8,147,941
Issue date
Apr 3, 2012
Hitachi, Ltd.
Yumiko Anzai
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital information reproduction method
Patent number
8,095,844
Issue date
Jan 10, 2012
Hitachi, Ltd.
Hiroyuki Minemura
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk medium and tracking method
Patent number
7,990,817
Issue date
Aug 2, 2011
Hitachi, Ltd.
Hiroyuki Minemura
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording method and apparatus with suppressed mark edg...
Patent number
7,911,910
Issue date
Mar 22, 2011
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording method and apparatus with suppressed mark edg...
Patent number
7,907,491
Issue date
Mar 15, 2011
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording method and apparatus with suppressed mark edg...
Patent number
7,907,490
Issue date
Mar 15, 2011
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium, and information recording met...
Patent number
7,876,667
Issue date
Jan 25, 2011
Hitachi, Ltd.
Toshimichi Shintani
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium storing system and storing case
Patent number
7,852,740
Issue date
Dec 14, 2010
Hitachi, Ltd.
Yumiko Anzai
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording method and apparatus with suppressed mark edg...
Patent number
7,852,727
Issue date
Dec 14, 2010
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium and optical information reprod...
Patent number
7,813,258
Issue date
Oct 12, 2010
Hitachi, Ltd.
Toshimichi Shintani
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc medium and optical disc device
Patent number
7,746,757
Issue date
Jun 29, 2010
Hitachi, Ltd.
Hiroyuki Minemura
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording method and apparatus with suppressed mark edg...
Patent number
7,684,301
Issue date
Mar 23, 2010
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium, reproducing method thereof, a...
Patent number
7,680,025
Issue date
Mar 16, 2010
Hitachi, Ltd.
Toshimichi Shintani
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium, information reproduction method and i...
Patent number
7,601,412
Issue date
Oct 13, 2009
Hitachi, Ltd.
Akemi Hirotsune
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording method and apparatus with suppressed mark edg...
Patent number
7,417,933
Issue date
Aug 26, 2008
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording method and apparatus with suppressed mark edg...
Patent number
7,042,823
Issue date
May 9, 2006
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording media, manufacturing technique and informatio...
Patent number
7,041,430
Issue date
May 9, 2006
Hitachi, Ltd.
Makoto Miyamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Information recording method and apparatus with suppressed mark edg...
Patent number
7,012,871
Issue date
Mar 14, 2006
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium and information recording device
Patent number
6,954,941
Issue date
Oct 11, 2005
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Particle Measuring Apparatus
Publication number
20240410811
Publication date
Dec 12, 2024
Hitachi High-Tech Corporation
Hiroyuki MINEMURA
G01 - MEASURING TESTING
Information
Patent Application
Particle Measurement Device, Particle Measurement Method, Sample Co...
Publication number
20240402064
Publication date
Dec 5, 2024
Hitachi High-Tech Corporation
Hiroyuki MINEMURA
G01 - MEASURING TESTING
Information
Patent Application
IMAGE DISPLAY ELEMENT AND IMAGE DISPLAY DEVICE USING SAME
Publication number
20230367121
Publication date
Nov 16, 2023
Hitachi-LG Data Storage, Inc.
Daisuke TOMITA
G02 - OPTICS
Information
Patent Application
IMAGE DISPLAY ELEMENT, IMAGE DISPLAY DEVICE, AND IMAGE DISPLAY METHOD
Publication number
20230028757
Publication date
Jan 26, 2023
Hitachi-LG Data Storage, Inc.
Hiroyuki MINEMURA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE DISPLAY ELEMENT AND DEVICE
Publication number
20230010994
Publication date
Jan 12, 2023
Hitachi-LG Data Storage, Inc.
Hiroyuki MINEMURA
G02 - OPTICS
Information
Patent Application
Fuel Cell and Method for Producing Fuel Cell
Publication number
20230006233
Publication date
Jan 5, 2023
Hitachi High-Tech Corporation
Noriyuki SAKUMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fuel Battery Cell and Method for Manufacturing Fuel Battery Cell
Publication number
20220399558
Publication date
Dec 15, 2022
Hitachi High-Tech Corporation
Noriyuki SAKUMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fuel Cell, Fuel Cell System and Method for Producing Fuel Cell
Publication number
20220393215
Publication date
Dec 8, 2022
Hitachi High-Tech Corporation
Yoshitaka SASAGO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fuel Cell Array and Fuel Cell Inspection Method
Publication number
20220384835
Publication date
Dec 1, 2022
Hitachi High-Tech Corporation
Yoshitaka SASAGO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SIZE DISTRIBUTION MEASUREMENT DEVICE, SIZE DISTRIBUTION MEASUREMENT...
Publication number
20220065766
Publication date
Mar 3, 2022
Hitachi High-Tech Science Corporation
Yumiko Anzai
G01 - MEASURING TESTING
Information
Patent Application
FUEL BATTERY CELL AND FUEL BATTERY MODULE
Publication number
20220069327
Publication date
Mar 3, 2022
HITACHI HIGH-TECH CORPORATION
Yoshitaka SASAGO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRON MICROSCOPE
Publication number
20200303152
Publication date
Sep 24, 2020
Hitachi High-Technologies Corporation
Takashi OHSHIMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT GUIDE PLATE AND IMAGE DISPLAY DEVICE
Publication number
20200150430
Publication date
May 14, 2020
Hitachi-LG Data Storage, Inc.
Hiroyuki MINEMURA
G02 - OPTICS
Information
Patent Application
OPTICAL MEASUREMENT METHOD AND APPARATUS
Publication number
20170160185
Publication date
Jun 8, 2017
Hitachi-LG Data Storage, Inc.
Hiroyuki MINEMURA
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL MEASURING DEVICE
Publication number
20170059300
Publication date
Mar 2, 2017
Hitachi-LG Data Storage, Inc.
Kentaro OSAWA
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL ELEMENT, MANUFACTURING METHOD OF OPTICAL ELEMENT, AND OPTIC...
Publication number
20150234230
Publication date
Aug 20, 2015
Koji Hirata
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT AND OPTICAL DEVICE
Publication number
20150226896
Publication date
Aug 13, 2015
Koji Hirata
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT AND OPTICAL APPARATUS
Publication number
20140293195
Publication date
Oct 2, 2014
Hitachi Maxell, Ltd.
Hiroyuki MINEMURA
G02 - OPTICS
Information
Patent Application
OPTICAL DEVICE AND METHOD FOR MANUFACTURING SAME
Publication number
20130242391
Publication date
Sep 19, 2013
HITACHI CONSUMER ELECTRONICS CO., LTD.
Hiroyuki MINEMURA
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR STORAGE DEVICE
Publication number
20120273742
Publication date
Nov 1, 2012
Hitachi, Ltd.
Hiroyuki MINEMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20110235408
Publication date
Sep 29, 2011
Hitachi, Ltd.
Hiroyuki MINEMURA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL ELEMENT AND OPTICAL APPARATUS
Publication number
20110085238
Publication date
Apr 14, 2011
Hitachi, Ltd.
Hiroyuki MINEMURA
G02 - OPTICS
Information
Patent Application
Digital information reproduction method
Publication number
20090106627
Publication date
Apr 23, 2009
Hitachi, Ltd.
Hiroyuki Minemura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Information recording method and apparatus with suppressed mark edg...
Publication number
20090040901
Publication date
Feb 12, 2009
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording method and apparatus with suppressed mark edg...
Publication number
20090034393
Publication date
Feb 5, 2009
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Application
MULTI-INFORMATION-LAYER RECORDING MEDIUM AND MANUFACTURING PROCESS
Publication number
20090017251
Publication date
Jan 15, 2009
Hitachi, Ltd.
Yumiko Anzai
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording method and apparatus with suppressed mark edg...
Publication number
20080310270
Publication date
Dec 18, 2008
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk medium and tracking method
Publication number
20080285431
Publication date
Nov 20, 2008
Hiroyuki Minemura
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording method and apparatus with suppressed mark edg...
Publication number
20080212454
Publication date
Sep 4, 2008
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION REPROD...
Publication number
20080205236
Publication date
Aug 28, 2008
TOSHIMICHI SHINTANI
G11 - INFORMATION STORAGE