Akihisa Mikawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display apparatus
- Patent number 11,729,924
- Issue date Aug 15, 2023
- Ricoh Company, Ltd.
- Akihisa Mikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pen holder and display system
- Patent number 11,650,679
- Issue date May 16, 2023
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information display device
- Patent number 11,467,630
- Issue date Oct 11, 2022
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Display apparatus
- Patent number 11,382,220
- Issue date Jul 5, 2022
- Ricoh Company, Ltd.
- Risa Kosukegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information display device
- Patent number 11,382,221
- Issue date Jul 5, 2022
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image generating unit, image projecting apparatus, and heat sink
- Patent number 10,838,286
- Issue date Nov 17, 2020
- Ricoh Company, Ltd.
- Yoshito Saito
- G02 - OPTICS
Information Patent Grant
Position detection system, position detection method, image generat...
- Patent number 10,393,547
- Issue date Aug 27, 2019
- Ricoh Company, Ltd.
- Hiroyuki Kubota
- G01 - MEASURING TESTING
Information Patent Grant
Image generation device and image projection apparatus
- Patent number 10,354,572
- Issue date Jul 16, 2019
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image formation unit and image projection apparatus
- Patent number 10,277,871
- Issue date Apr 30, 2019
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G02 - OPTICS
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
Image generation device and image projection apparatus for generati...
- Patent number 10,216,074
- Issue date Feb 26, 2019
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image generating unit and image projecting apparatus
- Patent number 10,091,472
- Issue date Oct 2, 2018
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G02 - OPTICS
Information Patent Grant
Holding structure for holding reflecting mirror, projection optical...
- Patent number 9,964,733
- Issue date May 8, 2018
- Ricoh Company, Ltd.
- Tetsuya Fujioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 9,961,310
- Issue date May 1, 2018
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High resolution image projection apparatus with horizontally actuat...
- Patent number 9,952,486
- Issue date Apr 24, 2018
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image generating unit and image projecting apparatus
- Patent number 9,918,054
- Issue date Mar 13, 2018
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G02 - OPTICS
Information Patent Grant
Image projection apparatus
- Patent number 9,897,820
- Issue date Feb 20, 2018
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection device and image projection method to control an i...
- Patent number 9,864,262
- Issue date Jan 9, 2018
- Ricoh Company, Ltd.
- Tetsuya Fujioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection lens unit, optical engine, and image projecting apparatus
- Patent number 9,829,671
- Issue date Nov 28, 2017
- Ricoh Company, Ltd.
- Satoshi Tsuchiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Movable apparatus, image generation apparataus, and image projectio...
- Patent number 9,819,916
- Issue date Nov 14, 2017
- Ricoh Company, Ltd.
- Naoya Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image projection apparatus
- Patent number 9,787,956
- Issue date Oct 10, 2017
- Ricoh Company, Ltd.
- Yukimi Nishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illumination optical system, optical engine, and image projection a...
- Patent number 9,778,551
- Issue date Oct 3, 2017
- Ricoh Company, Ltd.
- Satoshi Tsuchiya
- 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
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
Cooling device, cooling structure, image projection device, and ele...
- Patent number 9,541,818
- Issue date Jan 10, 2017
- Ricoh Company, Ltd.
- Akihisa Mikawa
- 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

Patents Applicationslast 30 patents

Information Patent Application
FRAME STRUCTURE, INFORMATION DISPLAY DEVICE, AND METHOD FOR MANUFAC...
- Publication number 20230389193
- Publication date Nov 30, 2023
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
PEN HOLDER AND DISPLAY SYSTEM
- Publication number 20220397965
- Publication date Dec 15, 2022
- RICOH COMPANY, LTD.
- Akihisa Mikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DISPLAY APPARATUS
- Publication number 20220159851
- Publication date May 19, 2022
- Ricoh Company, Ltd.
- Akihisa MIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INFORMATION DISPLAY DEVICE
- Publication number 20210153365
- Publication date May 20, 2021
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DISPLAY APPARATUS
- Publication number 20210153364
- Publication date May 20, 2021
- Risa KOSUKEGAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION DISPLAY DEVICE
- Publication number 20210149447
- Publication date May 20, 2021
- RICOH COMPANY, LTD.
- Akihisa Mikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE GENERATING UNIT, IMAGE PROJECTING APPARATUS, AND HEAT SINK
- Publication number 20190219908
- Publication date Jul 18, 2019
- RICOH COMPANY, LTD.
- Yoshito SAITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE GENERATION DEVICE AND IMAGE PROJECTION APPARATUS
- Publication number 20180160083
- Publication date Jun 7, 2018
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE GENERATION DEVICE AND IMAGE PROJECTION APPARATUS
- Publication number 20180158387
- Publication date Jun 7, 2018
- RICOH COMPANY, LTD.
- Akihisa Mikawa
- G02 - OPTICS
Information Patent Application
POSITION DETECTION SYSTEM, POSITION DETECTION METHOD, IMAGE GENERAT...
- Publication number 20180017852
- Publication date Jan 18, 2018
- Yusuke WATANABE
- G02 - OPTICS
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
IMAGE GENERATING UNIT AND IMAGE PROJECTING APPARATUS
- Publication number 20170272711
- Publication date Sep 21, 2017
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G02 - OPTICS
Information Patent Application
IMAGE GENERATING UNIT AND IMAGE PROJECTING APPARATUS
- Publication number 20170272710
- Publication date Sep 21, 2017
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G02 - OPTICS
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 FORMATION UNIT AND IMAGE PROJECTION APPARATUS
- Publication number 20170244940
- Publication date Aug 24, 2017
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G02 - OPTICS
Information Patent Application
MOVABLE APPARATUS, IMAGE GENERATION APPARATAUS, AND IMAGE PROJECTIO...
- Publication number 20170187996
- Publication date Jun 29, 2017
- RICOH COMPANY, LTD.
- Naoya YOKOYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170068152
- Publication date Mar 9, 2017
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170068150
- Publication date Mar 9, 2017
- Takehiro NISHIMORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170068151
- Publication date Mar 9, 2017
- Akihisa Mikawa
- G02 - OPTICS
Information Patent Application
PROJECTION LENS UNIT, OPTICAL ENGINE, AND IMAGE PROJECTING APPARATUS
- Publication number 20170031127
- Publication date Feb 2, 2017
- RICOH COMPANY, LTD.
- Satoshi TSUCHIYA
- G02 - OPTICS
Information Patent Application
HOLDING STRUCTURE FOR HOLDING REFLECTING MIRROR, PROJECTION OPTICAL...
- Publication number 20170031132
- Publication date Feb 2, 2017
- RICOH COMPANY, LTD.
- Tetsuya FUJIOKA
- G02 - OPTICS
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170026623
- Publication date Jan 26, 2017
- RICOH COMPANY, LTD.
- Yukimi NISHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170017092
- Publication date Jan 19, 2017
- Akihisa MIKAWA
- G02 - OPTICS
Information Patent Application
ILLUMINATION OPTICAL SYSTEM, OPTICAL ENGINE, AND IMAGE PROJECTION A...
- Publication number 20160377963
- Publication date Dec 29, 2016
- RICOH COMPANY, LTD.
- Satoshi TSUCHIYA
- G02 - OPTICS
Information Patent Application
IMAGE PROJECTION APPARATUS, AND LIGHT SOURCE UNIT
- Publication number 20160274444
- Publication date Sep 22, 2016
- Yasunari MIKUTSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20160277716
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G02 - OPTICS
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20160198134
- Publication date Jul 7, 2016
- Akihisa MIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROJECTION DEVICE AND IMAGE PROJECTION METHOD
- Publication number 20160154294
- Publication date Jun 2, 2016
- Tetsuya FUJIOKA
- G02 - OPTICS
Information Patent Application
COOLING DEVICE, COOLING STRUCTURE, IMAGE PROJECTION DEVICE, AND ELE...
- Publication number 20160062219
- Publication date Mar 3, 2016
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- 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

Akihisa Mikawa

Person

Patents Grantslast 30 patents

Display apparatus

Pen holder and display system

Information display device

Display apparatus

Information display device

Image generating unit, image projecting apparatus, and heat sink

Position detection system, position detection method, image generat...

Image generation device and image projection apparatus

Image formation unit and image projection apparatus

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

Image generation device and image projection apparatus for generati...

Image generating unit and image projecting apparatus

Holding structure for holding reflecting mirror, projection optical...

Image projection apparatus

High resolution image projection apparatus with horizontally actuat...

Image generating unit and image projecting apparatus

Image projection apparatus

Image projection device and image projection method to control an i...

Projection lens unit, optical engine, and image projecting apparatus

Movable apparatus, image generation apparataus, and image projectio...

Image projection apparatus

Illumination optical system, optical engine, and image projection a...

Cooling apparatus, image projection apparatus, and electronic device

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

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

Cooling device, cooling structure, image projection device, and ele...

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

Patents Applicationslast 30 patents

FRAME STRUCTURE, INFORMATION DISPLAY DEVICE, AND METHOD FOR MANUFAC...

PEN HOLDER AND DISPLAY SYSTEM

DISPLAY APPARATUS

INFORMATION DISPLAY DEVICE

DISPLAY APPARATUS

INFORMATION DISPLAY DEVICE

IMAGE GENERATING UNIT, IMAGE PROJECTING APPARATUS, AND HEAT SINK

IMAGE GENERATION DEVICE AND IMAGE PROJECTION APPARATUS

IMAGE GENERATION DEVICE AND IMAGE PROJECTION APPARATUS

POSITION DETECTION SYSTEM, POSITION DETECTION METHOD, IMAGE GENERAT...

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

IMAGE GENERATING UNIT AND IMAGE PROJECTING APPARATUS

IMAGE GENERATING UNIT AND IMAGE PROJECTING APPARATUS

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

IMAGE FORMATION UNIT AND IMAGE PROJECTION APPARATUS

MOVABLE APPARATUS, IMAGE GENERATION APPARATAUS, AND IMAGE PROJECTIO...

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

PROJECTION LENS UNIT, OPTICAL ENGINE, AND IMAGE PROJECTING APPARATUS

HOLDING STRUCTURE FOR HOLDING REFLECTING MIRROR, PROJECTION OPTICAL...

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

ILLUMINATION OPTICAL SYSTEM, OPTICAL ENGINE, AND IMAGE PROJECTION A...

IMAGE PROJECTION APPARATUS, AND LIGHT SOURCE UNIT

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION DEVICE AND IMAGE PROJECTION METHOD

COOLING DEVICE, COOLING STRUCTURE, IMAGE PROJECTION DEVICE, AND ELE...

COOLING APPARATUS, IMAGE PROJECTION APPARATUS, AND ELECTRONIC DEVICE