Masamichi Yamada

Person

Yokohoma, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display stand and display stand system
- Patent number 11,892,118
- Issue date Feb 6, 2024
- Ricoh Company, Ltd.
- Masamichi Yamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stand and stand system
- Patent number 11,746,947
- Issue date Sep 5, 2023
- Ricoh Company, Ltd.
- Masamichi Yamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stand, stand system, and rotating unit for display device
- Patent number 11,421,815
- Issue date Aug 23, 2022
- Ricoh Company, Ltd.
- Masamichi Yamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Image display unit, image projection unit, and image projection app...
- Patent number 10,225,531
- Issue date Mar 5, 2019
- Ricoh Company, Ltd.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dustproof member for image generation device and image projection a...
- Patent number 10,197,894
- Issue date Feb 5, 2019
- Ricoh Company, Ltd.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 10,012,893
- Issue date Jul 3, 2018
- Ricoh Company, Ltd.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cooling apparatus, image projection apparatus, and electronic device
- Patent number 9,713,282
- Issue date Jul 18, 2017
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device provided with cooler and image projection devic...
- Patent number 9,678,416
- Issue date Jun 13, 2017
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 9,671,681
- Issue date Jun 6, 2017
- Ricoh Company, Ltd.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cooling device, image projection apparatus, and electronic apparatus
- Patent number 9,645,478
- Issue date May 9, 2017
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical device and image projection apparatus
- Patent number 9,625,797
- Issue date Apr 18, 2017
- Ricoh Company, Ltd.
- Satoshi Tsuchiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 9,618,833
- Issue date Apr 11, 2017
- Ricoh Company, Ltd.
- Yukimi Nishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Duct cover for an image projection apparatus
- Patent number 9,606,426
- Issue date Mar 28, 2017
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source housing, light source device, and image projection app...
- Patent number 9,541,821
- Issue date Jan 10, 2017
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus and light source unit
- Patent number 9,537,257
- Issue date Jan 3, 2017
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus and circuit-board retaining structure
- Patent number 9,525,840
- Issue date Dec 20, 2016
- Ricoh Company, Ltd.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image Projection apparatus
- Patent number 9,436,070
- Issue date Sep 6, 2016
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 9,429,828
- Issue date Aug 30, 2016
- Ricoh Company, Ltd.
- Tetsuya Fujioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lighting unit and image projector
- Patent number 9,423,676
- Issue date Aug 23, 2016
- Ricoh Company, Ltd.
- Satoshi Tsuchiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cooling structure, image projection apparatus, electronic device, a...
- Patent number 9,423,677
- Issue date Aug 23, 2016
- Ricoh Company, Ltd.
- Akihisa Mikawa
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Image projection device and method of controlling image projection...
- Patent number 9,417,510
- Issue date Aug 16, 2016
- Ricoh Company, Limited
- Hideo Kanai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projector with intake ducts provided in a case thereof
- Patent number 9,411,216
- Issue date Aug 9, 2016
- Ricoh Company, Ltd.
- Masamichi Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch mechanism and electronic device
- Patent number 9,390,871
- Issue date Jul 12, 2016
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image projection apparatus
- Patent number 9,348,201
- Issue date May 24, 2016
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image projection apparatus
- Patent number 9,329,463
- Issue date May 3, 2016
- Ricoh Company, Ltd.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 9,304,381
- Issue date Apr 5, 2016
- Ricoh Company, Limited
- Tetsuya Fujioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image projection apparatus
- Patent number 9,291,883
- Issue date Mar 22, 2016
- Ricoh Company, Limited
- Masamichi Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image projection apparatus
- Patent number 9,274,409
- Issue date Mar 1, 2016
- Ricoh Company, Ltd.
- Tetsuya Fujioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auto-focus device, projection lens device, and image projection app...
- Patent number 9,244,247
- Issue date Jan 26, 2016
- Ricoh Company, Limited
- Satoshi Tsuchiya
- G02 - OPTICS
Information Patent Grant
Disconnection detection circuit for bridge circuit and system inclu...
- Patent number 9,229,040
- Issue date Jan 5, 2016
- Hitachi Automotive Systems, Ltd.
- Masahiro Matsumoto
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
ZEN FACILITATION SYSTEM AND NON-TRANSITORY COMPUTER-READABLE STORAG...
- Publication number 20230410381
- Publication date Dec 21, 2023
- ITOKI CORPORTAION
- Masamichi YAMADA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHT GUIDE MEMBER AND DISPLAY DEVICE
- Publication number 20230280592
- Publication date Sep 7, 2023
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
DISPLAY STAND AND DISPLAY STAND SYSTEM
- Publication number 20220395093
- Publication date Dec 15, 2022
- Masamichi YAMADA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
LENS UNIT, OPTICAL SYSTEM, AND ELECTRONIC APPARATUS
- Publication number 20220252838
- Publication date Aug 11, 2022
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE
- Publication number 20220026716
- Publication date Jan 27, 2022
- Ricoh Company, Ltd.
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
STAND AND STAND SYSTEM
- Publication number 20210247015
- Publication date Aug 12, 2021
- RICOH COMPANY, LTD.
- Masamichi YAMADA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
STAND, STAND SYSTEM, AND ROTATING UNIT FOR DISPLAY DEVICE
- Publication number 20210247018
- Publication date Aug 12, 2021
- Masamichi YAMADA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20190302584
- Publication date Oct 3, 2019
- RICOH COMPANY, LTD.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE GENERATION DEVICE AND IMAGE PROJECTION APPARATUS
- Publication number 20180157156
- Publication date Jun 7, 2018
- RICOH COMPANY, LTD.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE DISPLAY UNIT, IMAGE PROJECTION UNIT, AND IMAGE PROJECTION APP...
- Publication number 20170347070
- Publication date Nov 30, 2017
- Masamichi YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOVING APPARATUS, IMAGE GENERATING UNIT, AND IMAGE PROJECTING APPAR...
- Publication number 20170272718
- Publication date Sep 21, 2017
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G02 - OPTICS
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170227835
- Publication date Aug 10, 2017
- RICOH COMPANY, LTD.
- Masamichi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20160195800
- Publication date Jul 7, 2016
- RICOH COMPANY, LTD.
- Masamichi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COOLING APPARATUS, IMAGE PROJECTION APPARATUS, AND ELECTRONIC DEVICE
- Publication number 20150373873
- Publication date Dec 24, 2015
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT SOURCE DEVICE AND IMAGE PROJECTION DEVICE
- Publication number 20150370153
- Publication date Dec 24, 2015
- RICOH COMPANY, LTD.
- Naoyuki ISHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS AND LIGHT SOURCE UNIT
- Publication number 20150311632
- Publication date Oct 29, 2015
- Naoyuki ISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150268541
- Publication date Sep 24, 2015
- Naoyuki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150241763
- Publication date Aug 27, 2015
- Yukimi NISHI
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE HOUSING, LIGHT SOURCE DEVICE, AND IMAGE PROJECTION APP...
- Publication number 20150241047
- Publication date Aug 27, 2015
- RICOH COMPANY, LTD.
- Naoyuki ISHIKAWA
- F21 - LIGHTING
Information Patent Application
Image Projection Apparatus
- Publication number 20150198870
- Publication date Jul 16, 2015
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150192844
- Publication date Jul 9, 2015
- RICOH COMPANY, LTD.
- Masamichi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150192843
- Publication date Jul 9, 2015
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150192842
- Publication date Jul 9, 2015
- Tetsuya FUJIOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150185595
- Publication date Jul 2, 2015
- Tetsuya Fujioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150153637
- Publication date Jun 4, 2015
- Tetsuya FUJIOKA
- G02 - OPTICS
Information Patent Application
PROJECTION OPTICAL DEVICE AND IMAGE PROJECTION APPARATUS
- Publication number 20150138514
- Publication date May 21, 2015
- RICOH COMPANY, LTD.
- Satoshi TSUCHIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150092165
- Publication date Apr 2, 2015
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150049311
- Publication date Feb 19, 2015
- RICOH COMPANY, LTD.
- Naoyuki ISHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS AND METHOD FOR CONTROLLING IMAGE PROJECT...
- Publication number 20150029470
- Publication date Jan 29, 2015
- Hideo KANAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION DEVICE AND METHOD OF CONTROLLING IMAGE PROJECTION...
- Publication number 20150029471
- Publication date Jan 29, 2015
- RICOH COMPANY, LIMITED
- Hideo KANAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masamichi Yamada

Person

Patents Grantslast 30 patents

Display stand and display stand system

Stand and stand system

Stand, stand system, and rotating unit for display device

Image display unit, image projection unit, and image projection app...

Dustproof member for image generation device and image projection a...

Image projection apparatus

Cooling apparatus, image projection apparatus, and electronic device

Light source device provided with cooler and image projection devic...

Image projection apparatus

Cooling device, image projection apparatus, and electronic apparatus

Projection optical device and image projection apparatus

Image projection apparatus

Duct cover for an image projection apparatus

Light source housing, light source device, and image projection app...

Image projection apparatus and light source unit

Image projection apparatus and circuit-board retaining structure

Image Projection apparatus

Image projection apparatus

Lighting unit and image projector

Cooling structure, image projection apparatus, electronic device, a...

Image projection device and method of controlling image projection...

Projector with intake ducts provided in a case thereof

Switch mechanism and electronic device

Image projection apparatus

Image projection apparatus

Image projection apparatus

Image projection apparatus

Image projection apparatus

Auto-focus device, projection lens device, and image projection app...

Disconnection detection circuit for bridge circuit and system inclu...

Patents Applicationslast 30 patents

ZEN FACILITATION SYSTEM AND NON-TRANSITORY COMPUTER-READABLE STORAG...

LIGHT GUIDE MEMBER AND DISPLAY DEVICE

DISPLAY STAND AND DISPLAY STAND SYSTEM

LENS UNIT, OPTICAL SYSTEM, AND ELECTRONIC APPARATUS

PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE

STAND AND STAND SYSTEM

STAND, STAND SYSTEM, AND ROTATING UNIT FOR DISPLAY DEVICE

IMAGE PROJECTION APPARATUS

IMAGE GENERATION DEVICE AND IMAGE PROJECTION APPARATUS

IMAGE DISPLAY UNIT, IMAGE PROJECTION UNIT, AND IMAGE PROJECTION APP...

MOVING APPARATUS, IMAGE GENERATING UNIT, AND IMAGE PROJECTING APPAR...

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

COOLING APPARATUS, IMAGE PROJECTION APPARATUS, AND ELECTRONIC DEVICE

LIGHT SOURCE DEVICE AND IMAGE PROJECTION DEVICE

IMAGE PROJECTION APPARATUS AND LIGHT SOURCE UNIT

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

LIGHT SOURCE HOUSING, LIGHT SOURCE DEVICE, AND IMAGE PROJECTION APP...

Image Projection Apparatus

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

PROJECTION OPTICAL DEVICE AND IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS AND METHOD FOR CONTROLLING IMAGE PROJECT...

IMAGE PROJECTION DEVICE AND METHOD OF CONTROLLING IMAGE PROJECTION...