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Kazuhiro Fujita
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wavelength conversion plate, light source device, and image project...
Patent number
11,953,816
Issue date
Apr 9, 2024
Ricoh Company, Ltd.
Kazuhiro Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device and image projection apparatus
Patent number
11,874,592
Issue date
Jan 16, 2024
Ricoh Company, Ltd.
Kasumi Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light guide optical device, light source device, and image projecti...
Patent number
11,812,201
Issue date
Nov 7, 2023
Ricoh Company, Ltd.
Takashi Sasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projector, display system, and mobile object
Patent number
11,768,370
Issue date
Sep 26, 2023
Ricoh Company, Ltd.
Yuuki Satoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light-source device and image projection apparatus
Patent number
11,762,272
Issue date
Sep 19, 2023
Ricoh Company, Ltd.
Kasumi Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Marking device, medium, container, and marking method
Patent number
11,738,408
Issue date
Aug 29, 2023
Ricoh Company, Ltd.
Rie Hirayama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light source device and projection device
Patent number
11,720,010
Issue date
Aug 8, 2023
Ricoh Company, Ltd.
Kazuhiro Fujita
G02 - OPTICS
Information
Patent Grant
Light-source device and image forming apparatus including same
Patent number
11,677,914
Issue date
Jun 13, 2023
Ricoh Company, Ltd.
Yohei Takano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image projection apparatus
Patent number
11,630,288
Issue date
Apr 18, 2023
Ricoh Company, Ltd.
Yohei Takano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device, image projection apparatus, and light source o...
Patent number
11,537,037
Issue date
Dec 27, 2022
Ricoh Company, Ltd.
Yohei Takano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light-source device and image projection apparatus
Patent number
11,506,967
Issue date
Nov 22, 2022
Ricoh Company, Ltd.
Kasumi Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device and projector including a phosphor and a color-...
Patent number
11,402,737
Issue date
Aug 2, 2022
Ricoh Company, Ltd.
Ikuo Maeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Display device and apparatus
Patent number
11,061,227
Issue date
Jul 13, 2021
Ricoh Company, Ltd.
Kazuhiro Fujita
G02 - OPTICS
Information
Patent Grant
Display device, display system, and mobile object
Patent number
11,048,081
Issue date
Jun 29, 2021
Ricoh Company, Ltd.
Yuuki Satoh
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Display device and apparatus
Patent number
10,976,544
Issue date
Apr 13, 2021
Ricoh Company, Ltd.
Yuuki Satoh
G02 - OPTICS
Information
Patent Grant
Display device, display system, mobile object, display-brightness c...
Patent number
10,923,076
Issue date
Feb 16, 2021
Ricoh Company, Ltd.
Ryohhei Suzuki
G02 - OPTICS
Information
Patent Grant
Display apparatus, movable body apparatus, producing method of the...
Patent number
10,884,243
Issue date
Jan 5, 2021
Ricoh Company, Ltd.
Yuuki Suzuki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Display apparatus, movable body apparatus, producing method of the...
Patent number
10,852,537
Issue date
Dec 1, 2020
Ricoh Company, Ltd.
Yuuki Suzuki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Projection optical system, magnification projection optical system,...
Patent number
RE48309
Issue date
Nov 17, 2020
Ricoh Company, Ltd.
Atsushi Takaura
Information
Patent Grant
Display device and including a screen concave mirror and flat mirror
Patent number
10,831,021
Issue date
Nov 10, 2020
Ricoh Company, Ltd.
Kento Nakamura
G02 - OPTICS
Information
Patent Grant
System for capturing an image
Patent number
10,737,391
Issue date
Aug 11, 2020
Ricoh Company, Ltd.
Tatsuya Takahashi
G01 - MEASURING TESTING
Information
Patent Grant
Light source device that emits a plurality of color lights includin...
Patent number
10,627,711
Issue date
Apr 21, 2020
Ricoh Company, Ltd.
Ikuo Maeda
F21 - LIGHTING
Information
Patent Grant
Information display apparatus, information provision system, moving...
Patent number
10,549,638
Issue date
Feb 4, 2020
Ricoh Company, Ltd.
Yuuki Suzuki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Illumination device and image projection apparatus
Patent number
10,423,055
Issue date
Sep 24, 2019
Ricoh Company, Ltd.
Kazuhiro Fujita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source device including a light source section to adjust brig...
Patent number
10,191,361
Issue date
Jan 29, 2019
Ricoh Company, Ltd.
Ikuo Maeda
G02 - OPTICS
Information
Patent Grant
Light source device including a magnetic or capacitance detecting s...
Patent number
10,175,567
Issue date
Jan 8, 2019
Ricoh Company, Ltd.
Takehiro Nishimori
F21 - LIGHTING
Information
Patent Grant
Light irradiation device, and image display equipped with the same,...
Patent number
10,073,333
Issue date
Sep 11, 2018
Ricoh Company, Ltd.
Takehiro Nishimori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projection optical system and image projecting apparatus
Patent number
9,946,144
Issue date
Apr 17, 2018
Ricoh Company, Ltd.
Issei Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device and projector using the same
Patent number
9,880,454
Issue date
Jan 30, 2018
Ricoh Company, Ltd.
Tatsuya Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Illumination apparatus, pattern irradiation device, and system
Patent number
9,863,759
Issue date
Jan 9, 2018
Ricoh Company, Ltd.
Tatsuya Takahashi
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Patents Applications
last 30 patents
Information
Patent Application
ILLUMINATION DEVICE AND IMAGE PROJECTION APPARATUS
Publication number
20240176220
Publication date
May 30, 2024
Kazuhiro FUJITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT-SOURCE DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20240080419
Publication date
Mar 7, 2024
RICOH COMPANY, LTD.
Yohei TAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE MODULE, LIGHT SOURCE DEVICE, AND PROJECTION APPARATUS
Publication number
20240004279
Publication date
Jan 4, 2024
RICOH COMPANY, LTD.
Tomoya FUJII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE DEVICE AND DISPLAY APPARATUS
Publication number
20230288791
Publication date
Sep 14, 2023
Yohei TAKANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ILLUMINATION DEVICE AND PROJECTOR
Publication number
20230259012
Publication date
Aug 17, 2023
Takashi SASAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTION APPARATUS
Publication number
20230251558
Publication date
Aug 10, 2023
Kasumi NAKAMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PATTERN FORMING APPARATUS FOR BASE MATERIAL, PATTERN FORMING METHOD...
Publication number
20230219162
Publication date
Jul 13, 2023
Kazuhiro AKATSU
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CONTAINER AND CONTAINING BODY
Publication number
20230202703
Publication date
Jun 29, 2023
Masaaki ITOH
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIGHT-SOURCE DEVICE, IMAGE PROJECTION APPARATUS, AND DISPLAY DEVICE
Publication number
20230110183
Publication date
Apr 13, 2023
Yohei TAKANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT-SOURCE DEVICE AND IMAGE PROJECTION APPARATUS
Publication number
20230043477
Publication date
Feb 9, 2023
RICOH COMPANY, LTD.
Kasumi NAKAMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
WAVELENGTH CONVERSION PLATE, LIGHT SOURCE DEVICE, AND IMAGE PROJECT...
Publication number
20230042973
Publication date
Feb 9, 2023
Kazuhiro FUJITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SUBSTRATE, CONTAINER, PRODUCT, PRODUCTION METHOD, AND PRODUCTION AP...
Publication number
20220410608
Publication date
Dec 29, 2022
Rie HIRAYAMA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
CONTAINER AND CONTENT CONTAINING BODY, AND METHOD FOR PRODUCING CON...
Publication number
20220388724
Publication date
Dec 8, 2022
RICOH COMPANY, LTD.
Keiichi SERIZAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIGHT GUIDE OPTICAL DEVICE, LIGHT SOURCE DEVICE, AND IMAGE PROJECTI...
Publication number
20220345671
Publication date
Oct 27, 2022
Takashi SASAKI
G02 - OPTICS
Information
Patent Application
LIGHT-SOURCE DEVICE, IMAGE PROJECTION APPARATUS, AND LIGHT-SOURCE O...
Publication number
20220342291
Publication date
Oct 27, 2022
Kazuhiro FUJITA
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE DEVICE AND IMAGE PROJECTION APPARATUS
Publication number
20220299852
Publication date
Sep 22, 2022
Kasumi NAKAMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LASER IRRADIATION APPARATUS, LASER IRRADIATION METHOD, CONTAINER, A...
Publication number
20220276042
Publication date
Sep 1, 2022
Kazuhiro Fujita
G01 - MEASURING TESTING
Information
Patent Application
MARKING DEVICE, MEDIUM, CONTAINER, AND MARKING METHOD
Publication number
20220266392
Publication date
Aug 25, 2022
RICOH COMPANY, LTD.
Rie Hirayama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTION DEVICE
Publication number
20220179298
Publication date
Jun 9, 2022
Kazuhiro FUJITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE DEVICE, IMAGE PROJECTION APPARATUS, AND LIGHT SOURCE O...
Publication number
20220171267
Publication date
Jun 2, 2022
Ricoh Company, Ltd.
Yohei TAKANO
G02 - OPTICS
Information
Patent Application
PATTERN FORMATION APPARATUS FOR BASE MATERIAL AND PATTERN FORMATION...
Publication number
20220118553
Publication date
Apr 21, 2022
Ricoh Company, Ltd.
Hideji MIYANISHI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PROJECTOR, DISPLAY SYSTEM, AND MOBILE OBJECT
Publication number
20220099968
Publication date
Mar 31, 2022
Yuuki SATOH
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD AND SYSTEM FOR MANUFACTURING CONTAINER PRODUCT
Publication number
20220097414
Publication date
Mar 31, 2022
Ricoh Company
Rie HIRAYAMA
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information
Patent Application
IMAGE PROJECTION APPARATUS
Publication number
20220066177
Publication date
Mar 3, 2022
Ricoh Company, Ltd.
Yohei TAKANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT-SOURCE DEVICE AND IMAGE PROJECTION APPARATUS
Publication number
20210200075
Publication date
Jul 1, 2021
Ricoh Company, Ltd.
Kasumi NAKAMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT-SOURCE DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20210136336
Publication date
May 6, 2021
Ricoh Company, Ltd.
Yohei TAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR USING THE SAME
Publication number
20200201158
Publication date
Jun 25, 2020
Ikuo MAEDA
F21 - LIGHTING
Information
Patent Application
DISPLAY APPARATUS, MOVABLE BODY APPARATUS, PRODUCING METHOD OF THE...
Publication number
20200183157
Publication date
Jun 11, 2020
Yuuki SUZUKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
DISPLAY DEVICE, DISPLAY SYSTEM, AND MOBILE OBJECT
Publication number
20200150433
Publication date
May 14, 2020
Yuuki SATOH
B60 - VEHICLES IN GENERAL
Information
Patent Application
DISPLAY DEVICE, DISPLAY SYSTEM, MOBILE OBJECT, DISPLAY-BRIGHTNESS C...
Publication number
20190304402
Publication date
Oct 3, 2019
Ryohhei SUZUKI
G02 - OPTICS