Masao YAMAGUCHI

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Acoustic output apparatus
- Patent number 11,935,511
- Issue date Mar 19, 2024
- Toshiba Tec Kabushiki Kaisha
- Masao Yamaguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Image forming apparatus with sound mitigation
- Patent number 11,914,321
- Issue date Feb 27, 2024
- Toshiba Tec Kabushiki Kaisha
- Masao Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Emission device, surface light source device, display and light flu...
- Patent number RE47891
- Issue date Mar 3, 2020
- Enplas Corporation
- Masao Yamaguchi
Information Patent Grant
Apparatus for transporting paper sheet
- Patent number 10,486,926
- Issue date Nov 26, 2019
- Toshiba Tec Kabushiki
- Masao Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Duplex printing image forming apparatus
- Patent number 10,108,127
- Issue date Oct 23, 2018
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing light flux controlling member
- Patent number 9,752,750
- Issue date Sep 5, 2017
- Enplas Corporation
- Masao Yamaguchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Surface light source device and display apparatus using same
- Patent number 9,671,550
- Issue date Jun 6, 2017
- Enplas Corporation
- Yusuke Ohashi
- G02 - OPTICS
Information Patent Grant
Surface light source apparatus
- Patent number 9,546,773
- Issue date Jan 17, 2017
- Enplas Corporation
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Grant
Surface light source device and display apparatus
- Patent number 9,529,183
- Issue date Dec 27, 2016
- Enplas Corporation
- Hiroshi Takatori
- G02 - OPTICS
Information Patent Grant
Surface light source device and display device
- Patent number 9,435,514
- Issue date Sep 6, 2016
- Enplas Corporation
- Hiroshi Takatori
- F21 - LIGHTING
Information Patent Grant
Surface light source device and display apparatus
- Patent number 9,405,110
- Issue date Aug 2, 2016
- Enplas Corporation
- Hiroshi Takatori
- F21 - LIGHTING
Information Patent Grant
Light flux controlling apparatus
- Patent number 9,347,643
- Issue date May 24, 2016
- Enplas Corporation
- Masao Yamaguchi
- F21 - LIGHTING
Information Patent Grant
Light flux controlling member, light emitting apparatus, surface li...
- Patent number 9,086,517
- Issue date Jul 21, 2015
- Enplas Corporation
- Yasuyuki Fukuda
- G02 - OPTICS
Information Patent Grant
Light flux controlling member, light emitting apparatus, surface li...
- Patent number 8,596,829
- Issue date Dec 3, 2013
- Enplas Corporation
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Grant
Light emitting apparatus, surface light source apparatus and displa...
- Patent number 8,487,526
- Issue date Jul 16, 2013
- Enplas Corporation
- Masao Yamaguchi
- F21 - LIGHTING
Information Patent Grant
Emission device, surface light source device and display
- Patent number 8,251,547
- Issue date Aug 28, 2012
- ENPLAS CORPORATION
- Masao Yamaguchi
- F21 - LIGHTING
Information Patent Grant
Light emitting apparatus, surface light source apparatus and displa...
- Patent number 8,227,969
- Issue date Jul 24, 2012
- Enplas Corporation
- Masao Yamaguchi
- F21 - LIGHTING
Information Patent Grant
Optical beam scanning apparatus and image forming apparatus
- Patent number 8,139,278
- Issue date Mar 20, 2012
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Grant
Optical beam scanning device and image forming apparatus provided w...
- Patent number 8,049,945
- Issue date Nov 1, 2011
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic job template generating apparatus and automatic job templ...
- Patent number 7,991,317
- Issue date Aug 2, 2011
- Kabushiki Kaisha Toshiba
- Hiroyuki Kato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital multiple apparatus
- Patent number 7,982,894
- Issue date Jul 19, 2011
- Kabushiki Kaisha Toshiba
- Takahiro Fuchigami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical beam scanning apparatus, method of manufacturing optical be...
- Patent number 7,957,046
- Issue date Jun 7, 2011
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Grant
Optical beam scanning device, image forming apparatus, optical beam...
- Patent number 7,911,667
- Issue date Mar 22, 2011
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical beam scanning device and image forming apparatus provided w...
- Patent number 7,876,487
- Issue date Jan 25, 2011
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Emission device, surface light source device and display
- Patent number 7,866,844
- Issue date Jan 11, 2011
- Enplas Corporation
- Masao Yamaguchi
- F21 - LIGHTING
Information Patent Grant
Optical beam scanning apparatus and image forming apparatus
- Patent number 7,864,391
- Issue date Jan 4, 2011
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Grant
Light emitting device and lighting device having the same
- Patent number 7,798,679
- Issue date Sep 21, 2010
- Sharp Kabushiki Kaisha
- Fumio Kokubo
- F21 - LIGHTING
Information Patent Grant
Optical beam scanning apparatus and image forming apparatus
- Patent number 7,760,409
- Issue date Jul 20, 2010
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Grant
Optical beam scanning apparatus, method of manufacturing optical be...
- Patent number 7,724,410
- Issue date May 25, 2010
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Grant
Machining apparatus for workpiece and method therefor
- Patent number RE41329
- Issue date May 11, 2010
- TDK Corporation
- Hiroshi Shindou
- 451 - Abrading

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS WITH SOUND MITIGATION
- Publication number 20240069484
- Publication date Feb 29, 2024
- Toshiba Tec Kabushiki Kaisha
- Masao Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BOOTH
- Publication number 20230175276
- Publication date Jun 8, 2023
- Toshiba Tec Kabushiki Kaisha
- Masao YAMAGUCHI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ACOUSTIC OUTPUT APPARATUS
- Publication number 20220208166
- Publication date Jun 30, 2022
- Toshiba Tec Kabushiki Kaisha
- Masao Yamaguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
GENERATING SOURCE IDENTIFYING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20200145540
- Publication date May 7, 2020
- Toshiba Tec Kabushiki Kaisha
- Masao YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS FOR TRANSPORTING PAPER SHEET
- Publication number 20190349497
- Publication date Nov 14, 2019
- Toshiba Tec Kabushiki Kaisha
- Masao YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CASE AND APPARATUS FOR IMAGE FORMATION
- Publication number 20180278786
- Publication date Sep 27, 2018
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180081315
- Publication date Mar 22, 2018
- Kabushiki Kaisha Toshiba
- Masao YAMAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING LIGHT FLUX CONTROLLING MEMBER
- Publication number 20170089543
- Publication date Mar 30, 2017
- ENPLAS CORPORATION
- Masao YAMAGUCHI
- G02 - OPTICS
Information Patent Application
SHEET CONVEYING APPARATUS, AND IMAGE FORMING APPARATUS
- Publication number 20160318724
- Publication date Nov 3, 2016
- Toshiba Tec Kabushiki Kaisha
- Masao YAMAGUCHI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SURFACE LIGHT SOURCE DEVICE AND DISPLAY APPARATUS
- Publication number 20160306151
- Publication date Oct 20, 2016
- ENPLAS CORPORATION
- Hiroshi TAKATORI
- G02 - OPTICS
Information Patent Application
SURFACE LIGHT SOURCE APPARATUS
- Publication number 20160161083
- Publication date Jun 9, 2016
- ENPLAS CORPORATION
- Masao YAMAGUCHI
- F21 - LIGHTING
Information Patent Application
DISPLAY PANEL AND METHOD OF PRODUCING DISPLAY PANEL
- Publication number 20160004110
- Publication date Jan 7, 2016
- Sharp Kabushiki Kaisha
- Akihiro IMAI
- G02 - OPTICS
Information Patent Application
LIGHT FLUX CONTROLLING MEMBER, LIGHT EMITTING DEVICE, SURFACE LIGHT...
- Publication number 20150323732
- Publication date Nov 12, 2015
- ENPLAS CORPORATION
- Yusuke OHASHI
- G02 - OPTICS
Information Patent Application
SURFACE LIGHT SOURCE DEVICE AND DISPLAY APPARATUS USING SAME
- Publication number 20150212264
- Publication date Jul 30, 2015
- ENPLAS CORPORATION
- Yusuke OHASHI
- G02 - OPTICS
Information Patent Application
SURFACE LIGHT SOURCE DEVICE AND DISPLAY APPARATUS
- Publication number 20150211713
- Publication date Jul 30, 2015
- ENPLAS CORPORATION
- Hiroshi TAKATORI
- F21 - LIGHTING
Information Patent Application
SURFACE LIGHT SOURCE DEVICE AND DISPLAY DEVICE
- Publication number 20140233217
- Publication date Aug 21, 2014
- ENPLAS CORPORATION
- Hiroshi Takatori
- G02 - OPTICS
Information Patent Application
LIGHT FLUX CONTROLLING APPARATUS
- Publication number 20130343058
- Publication date Dec 26, 2013
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Application
LIGHT FLUX CONTROLLING MEMBER, LIGHT EMITTING APPARATUS, SURFACE LI...
- Publication number 20130107542
- Publication date May 2, 2013
- ENPLAS CORPORATION
- Yasuyuki FUKUDA
- G02 - OPTICS
Information Patent Application
Surface Light Source Device
- Publication number 20120236556
- Publication date Sep 20, 2012
- ENPLAS CORPORATION
- Masao YAMAGUCHI
- G02 - OPTICS
Information Patent Application
LIGHT EMITTING APPARATUS, SURFACE LIGHT SOURCE APPARATUS AND DISPLA...
- Publication number 20120235554
- Publication date Sep 20, 2012
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Application
DIGITAL MULTIPLE APPARATUS
- Publication number 20110235121
- Publication date Sep 29, 2011
- Kabushiki Kaisha Toshiba
- Takahiro Fuchigami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL BEAM SCANNING DEVICE AND IMAGE FORMING APPARATUS PROVIDED W...
- Publication number 20110090550
- Publication date Apr 21, 2011
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL BEAM SCANNING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20110069368
- Publication date Mar 24, 2011
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Application
Light Flux Controlling Member, Light Emitting Apparatus, Surface Li...
- Publication number 20110044053
- Publication date Feb 24, 2011
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Application
Surface Light Source Device and Display
- Publication number 20100271838
- Publication date Oct 28, 2010
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Application
LIGHT EMITTING APPARATUS, SURFACE LIGHT SOURCE APPARATUS AND DISPLA...
- Publication number 20100270907
- Publication date Oct 28, 2010
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20100221023
- Publication date Sep 2, 2010
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL BEAM SCANNING APPARATUS, METHOD OF MANUFACTURING OPTICAL BE...
- Publication number 20100208320
- Publication date Aug 19, 2010
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Application
OPTICAL BEAM SCANNING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20100165068
- Publication date Jul 1, 2010
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G02 - OPTICS
Information Patent Application
OPTICAL BEAM SCANNING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20090323148
- Publication date Dec 31, 2009
- Kabushiki Kaisha Toshiba
- Masao Yamaguchi
- G02 - OPTICS

Masao YAMAGUCHI

Person

Patents Grantslast 30 patents

Acoustic output apparatus

Image forming apparatus with sound mitigation

Emission device, surface light source device, display and light flu...

Apparatus for transporting paper sheet

Duplex printing image forming apparatus

Method of manufacturing light flux controlling member

Surface light source device and display apparatus using same

Surface light source apparatus

Surface light source device and display apparatus

Surface light source device and display device

Surface light source device and display apparatus

Light flux controlling apparatus

Light flux controlling member, light emitting apparatus, surface li...

Light flux controlling member, light emitting apparatus, surface li...

Light emitting apparatus, surface light source apparatus and displa...

Emission device, surface light source device and display

Light emitting apparatus, surface light source apparatus and displa...

Optical beam scanning apparatus and image forming apparatus

Optical beam scanning device and image forming apparatus provided w...

Automatic job template generating apparatus and automatic job templ...

Digital multiple apparatus

Optical beam scanning apparatus, method of manufacturing optical be...

Optical beam scanning device, image forming apparatus, optical beam...

Optical beam scanning device and image forming apparatus provided w...

Emission device, surface light source device and display

Optical beam scanning apparatus and image forming apparatus

Light emitting device and lighting device having the same

Optical beam scanning apparatus and image forming apparatus

Optical beam scanning apparatus, method of manufacturing optical be...

Machining apparatus for workpiece and method therefor

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS WITH SOUND MITIGATION

BOOTH

ACOUSTIC OUTPUT APPARATUS

GENERATING SOURCE IDENTIFYING APPARATUS AND IMAGE FORMING APPARATUS

APPARATUS FOR TRANSPORTING PAPER SHEET

CASE AND APPARATUS FOR IMAGE FORMATION

IMAGE FORMING APPARATUS

METHOD OF MANUFACTURING LIGHT FLUX CONTROLLING MEMBER

SHEET CONVEYING APPARATUS, AND IMAGE FORMING APPARATUS

SURFACE LIGHT SOURCE DEVICE AND DISPLAY APPARATUS

SURFACE LIGHT SOURCE APPARATUS

DISPLAY PANEL AND METHOD OF PRODUCING DISPLAY PANEL

LIGHT FLUX CONTROLLING MEMBER, LIGHT EMITTING DEVICE, SURFACE LIGHT...

SURFACE LIGHT SOURCE DEVICE AND DISPLAY APPARATUS USING SAME

SURFACE LIGHT SOURCE DEVICE AND DISPLAY APPARATUS

SURFACE LIGHT SOURCE DEVICE AND DISPLAY DEVICE

LIGHT FLUX CONTROLLING APPARATUS

LIGHT FLUX CONTROLLING MEMBER, LIGHT EMITTING APPARATUS, SURFACE LI...

Surface Light Source Device

LIGHT EMITTING APPARATUS, SURFACE LIGHT SOURCE APPARATUS AND DISPLA...

DIGITAL MULTIPLE APPARATUS

OPTICAL BEAM SCANNING DEVICE AND IMAGE FORMING APPARATUS PROVIDED W...

OPTICAL BEAM SCANNING APPARATUS AND IMAGE FORMING APPARATUS

Light Flux Controlling Member, Light Emitting Apparatus, Surface Li...

Surface Light Source Device and Display

LIGHT EMITTING APPARATUS, SURFACE LIGHT SOURCE APPARATUS AND DISPLA...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

OPTICAL BEAM SCANNING APPARATUS, METHOD OF MANUFACTURING OPTICAL BE...

OPTICAL BEAM SCANNING APPARATUS AND IMAGE FORMING APPARATUS

OPTICAL BEAM SCANNING APPARATUS AND IMAGE FORMING APPARATUS