Mayumi NAGAYOSHI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display system and display method
- Patent number 12,198,399
- Issue date Jan 14, 2025
- MAXELL, LTD.
- Seiji Murata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Display system and display method
- Patent number 11,648,878
- Issue date May 16, 2023
- MAXELL, LTD.
- Seiji Murata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Laser projector with reduced speckle
- Patent number 9,122,145
- Issue date Sep 1, 2015
- Hitachi Maxwell, Ltd.
- Tadayoshi Kosaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Back light unit and display apparatus using the same
- Patent number 8,827,492
- Issue date Sep 9, 2014
- Hitachi Consumer Electronics Co., Ltd.
- Shoji Yamamoto
- G02 - OPTICS
Information Patent Grant
Optical unit
- Patent number 8,827,459
- Issue date Sep 9, 2014
- Hitachi Consumer Electronics Co., Ltd.
- Mayumi Nagayoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical information recording/reproducing apparatus
- Patent number 8,804,474
- Issue date Aug 12, 2014
- Hitachi Media Electronics Co., Ltd.
- Mayumi Nagayoshi
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal display device, backlight and LED
- Patent number 8,596,848
- Issue date Dec 3, 2013
- Hitachi Consumer Electronics Co., Ltd.
- Hidenao Kubota
- G02 - OPTICS
Information Patent Grant
Optical unit
- Patent number 8,529,068
- Issue date Sep 10, 2013
- Hitachi Consumer Electronics Co., Ltd.
- Tomoki Kobori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display apparatus and backlight apparatus used therefor
- Patent number 8,514,349
- Issue date Aug 20, 2013
- Hitachi Consumer Electronics Co., Ltd.
- Satoshi Ouchi
- G02 - OPTICS
Information Patent Grant
Backlight unit and video display apparatus applying the same therein
- Patent number 8,350,986
- Issue date Jan 8, 2013
- Hitachi Consumer Electronics Co., Ltd.
- Satoshi Ouchi
- G02 - OPTICS
Information Patent Grant
Optical unit
- Patent number 8,308,301
- Issue date Nov 13, 2012
- Hitachi Consumer Electronics Co., Ltd.
- Mayumi Nagayoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Liquid crystal display device comprising reflecting portions for re...
- Patent number 8,009,246
- Issue date Aug 30, 2011
- Hitachi, Ltd.
- Seiji Murata
- G02 - OPTICS
Information Patent Grant
Image display apparatus
- Patent number 7,940,351
- Issue date May 10, 2011
- Hitachi, Ltd.
- Mayumi Nagayoshi
- G02 - OPTICS
Information Patent Grant
Image display apparatus and backlight unit to be used therein
- Patent number 7,911,558
- Issue date Mar 22, 2011
- Hitachi, Ltd.
- Mayumi Nagayoshi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY SYSTEM AND DISPLAY METHOD
- Publication number 20250095326
- Publication date Mar 20, 2025
- Maxell, Ltd.
- Seiji MURATA
- B60 - VEHICLES IN GENERAL
Information Patent Application
DISPLAY SYSTEM AND DISPLAY METHOD
- Publication number 20230249618
- Publication date Aug 10, 2023
- Maxell, Ltd.
- Seiji MURATA
- B60 - VEHICLES IN GENERAL
Information Patent Application
DISPLAY SYSTEM AND DISPLAY METHOD
- Publication number 20200285884
- Publication date Sep 10, 2020
- Maxell, Ltd.
- Seiji MURATA
- B60 - VEHICLES IN GENERAL
Information Patent Application
OPTICAL INFORMATION RECORDING/REPRODUCTION DEVICE AND ADJUSTMENT ME...
- Publication number 20160111123
- Publication date Apr 21, 2016
- Hitachi Consumer Electronics Co., Ltd.
- Mayumi NAGAYOSHI
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS
- Publication number 20140043952
- Publication date Feb 13, 2014
- Hitachi Media Electronics Co., Ltd.
- Mayumi NAGAYOSHI
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Unit
- Publication number 20140015874
- Publication date Jan 16, 2014
- HITACHI CONSUMER ELECTRONICS CO., LTD.
- Mayumi Nagayoshi
- G02 - OPTICS
Information Patent Application
BACKLIGHT DEVICE AND LIQUID DISPLAY APPARATUS USING THE SAME
- Publication number 20130169905
- Publication date Jul 4, 2013
- Hitachi Consumer Electronics, Ltd.
- SATOSHI OUCHI
- G02 - OPTICS
Information Patent Application
Optical Unit
- Publication number 20130107224
- Publication date May 2, 2013
- Mayumi NAGAYOSHI
- G02 - OPTICS
Information Patent Application
BACK LIGHT UNIT AND DISPLAY APPARATUS USING THE SAME
- Publication number 20120147277
- Publication date Jun 14, 2012
- Shoji Yamamoto
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL DISPLAY APPARATUS
- Publication number 20120140149
- Publication date Jun 7, 2012
- Koichi SAKITA
- G02 - OPTICS
Information Patent Application
BACKLIGHT DEVICE AND IMAGE DISPLAY USING THE SAME
- Publication number 20120140448
- Publication date Jun 7, 2012
- Mayumi NAGAYOSHI
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL DISPLAY DEVICE, BACKLIGHT AND LED
- Publication number 20110316766
- Publication date Dec 29, 2011
- Hitachi Consumer Electronics Co., Ltd.
- Hidenao KUBOTA
- G02 - OPTICS
Information Patent Application
IMAGE DISPLAY APPARATUS AND BACKLIGHT APPARATUS USED THEREFOR
- Publication number 20110249220
- Publication date Oct 13, 2011
- Hitachi Consumer Electronics Co., Ltd.
- SATOSHI OUCHI
- G02 - OPTICS
Information Patent Application
LASER PROJECTOR
- Publication number 20110242498
- Publication date Oct 6, 2011
- Tadayoshi KOSAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BACKLIGHT UNIT AND VIDEO DISPLAY APPARATUS APPLYING THE SAME THEREIN
- Publication number 20110080532
- Publication date Apr 7, 2011
- Hitachi Consumer Electronics Co., Ltd.
- SATOSHI OUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL UNIT
- Publication number 20100259727
- Publication date Oct 14, 2010
- Mayumi NAGAYOSHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image display apparatus
- Publication number 20090059125
- Publication date Mar 5, 2009
- Mayumi Nagayoshi
- G02 - OPTICS
Information Patent Application
Image Display Apparatus and Backlight Unit to Be Used Therein
- Publication number 20080297692
- Publication date Dec 4, 2008
- Mayumi Nagayoshi
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20080297683
- Publication date Dec 4, 2008
- Seiji MURATA
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL DISPLAY APPARATUS AND LUMINANCE CONTROL METHOD THEREOF
- Publication number 20080297463
- Publication date Dec 4, 2008
- Yasutaka TSURU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Mayumi NAGAYOSHI

Person

Patents Grantslast 30 patents

Display system and display method

Display system and display method

Laser projector with reduced speckle

Back light unit and display apparatus using the same

Optical unit

Optical information recording/reproducing apparatus

Liquid crystal display device, backlight and LED

Optical unit

Image display apparatus and backlight apparatus used therefor

Backlight unit and video display apparatus applying the same therein

Optical unit

Liquid crystal display device comprising reflecting portions for re...

Image display apparatus

Image display apparatus and backlight unit to be used therein

Patents Applicationslast 30 patents

DISPLAY SYSTEM AND DISPLAY METHOD

DISPLAY SYSTEM AND DISPLAY METHOD

DISPLAY SYSTEM AND DISPLAY METHOD

OPTICAL INFORMATION RECORDING/REPRODUCTION DEVICE AND ADJUSTMENT ME...

OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS

Optical Unit

BACKLIGHT DEVICE AND LIQUID DISPLAY APPARATUS USING THE SAME

Optical Unit

BACK LIGHT UNIT AND DISPLAY APPARATUS USING THE SAME

LIQUID CRYSTAL DISPLAY APPARATUS

BACKLIGHT DEVICE AND IMAGE DISPLAY USING THE SAME

LIQUID CRYSTAL DISPLAY DEVICE, BACKLIGHT AND LED

IMAGE DISPLAY APPARATUS AND BACKLIGHT APPARATUS USED THEREFOR

LASER PROJECTOR

BACKLIGHT UNIT AND VIDEO DISPLAY APPARATUS APPLYING THE SAME THEREIN

OPTICAL UNIT

Image display apparatus

Image Display Apparatus and Backlight Unit to Be Used Therein

LIQUID CRYSTAL DISPLAY DEVICE

LIQUID CRYSTAL DISPLAY APPARATUS AND LUMINANCE CONTROL METHOD THEREOF