Yohei Takano

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light-source optical system, light-source device, and image display...
- Patent number 12,130,544
- Issue date Oct 29, 2024
- Ricoh Company, Ltd.
- Yohei Takano
- G02 - OPTICS
Information Patent Grant
Light-source device and image forming apparatus including same
- Patent number 12,114,106
- Issue date Oct 8, 2024
- Ricoh Company, Ltd.
- Yohei Takano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source optical system, light source device, light source unit...
- Patent number 12,072,617
- Issue date Aug 27, 2024
- Ricoh Company, Ltd.
- Makoto Hirakawa
- G02 - OPTICS
Information Patent Grant
Light-source device, image projection apparatus, and light-source o...
- Patent number 12,066,752
- Issue date Aug 20, 2024
- Ricoh Company, Ltd.
- Kazuhiro Fujita
- G02 - OPTICS
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 source device and image projection apparatus including a rod...
- Patent number 11,829,058
- Issue date Nov 28, 2023
- Ricoh Company, Ltd.
- Kasumi Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
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
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
Light source optical system, light source device, light source unit...
- Patent number 11,669,004
- Issue date Jun 6, 2023
- Ricoh Company, Ltd.
- Makoto Hirakawa
- G02 - OPTICS
Information Patent Grant
Light source optical system, light source device, and image project...
- Patent number 11,640,106
- Issue date May 2, 2023
- Ricoh Company, Ltd.
- Yohei Takano
- G02 - OPTICS
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 optical system, light source device, and image project...
- Patent number 11,314,157
- Issue date Apr 26, 2022
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical system including movable lens groups, a non-mova...
- Patent number 11,042,082
- Issue date Jun 22, 2021
- Ricoh Company, Ltd.
- Yohei Takano
- G02 - OPTICS
Information Patent Grant
Projection optical system, projection apparatus, and projection system
- Patent number 10,962,750
- Issue date Mar 30, 2021
- Ricoh Company, Ltd.
- Yohei Takano
- G02 - OPTICS
Information Patent Grant
Light source optical system, light source device, and image project...
- Patent number 10,942,434
- Issue date Mar 9, 2021
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical system unit, projection optical system, and proj...
- Patent number 10,890,840
- Issue date Jan 12, 2021
- Ricoh Company, Ltd.
- Yohei Takano
- G02 - OPTICS
Information Patent Grant
Light source device and image display apparatus
- Patent number 10,725,369
- Issue date Jul 28, 2020
- Ricoh Company, Ltd.
- Kasumi Nakamura
- F21 - LIGHTING
Information Patent Grant
Projection optical system, projection apparatus, and projection system
- Patent number 10,585,269
- Issue date Mar 10, 2020
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical system including movable lens groups and image d...
- Patent number 10,241,308
- Issue date Mar 26, 2019
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical system, projection apparatus, and projection system
- Patent number 10,228,546
- Issue date Mar 12, 2019
- Ricoh Company, Ltd.
- Yohei Takano
- G02 - OPTICS
Information Patent Grant
Projection device and projection system
- Patent number 10,067,324
- Issue date Sep 4, 2018
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical system, projection apparatus, and projection system
- Patent number 9,864,177
- Issue date Jan 9, 2018
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image display apparatus and image display unit
- Patent number 9,864,260
- Issue date Jan 9, 2018
- Ricoh Company, Ltd.
- Yasuyuki Shibayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical system and image display apparatus including a r...
- Patent number 9,766,438
- Issue date Sep 19, 2017
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection device and projection system
- Patent number 9,690,084
- Issue date Jun 27, 2017
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

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 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
LIGHT SOURCE OPTICAL SYSTEM, LIGHT SOURCE DEVICE, LIGHT SOURCE UNIT...
- Publication number 20230251559
- Publication date Aug 10, 2023
- RICOH COMPANY, LTD.
- Makoto HIRAKAWA
- G02 - OPTICS
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
LIGHT-SOURCE OPTICAL SYSTEM, LIGHT-SOURCE DEVICE, AND IMAGE DISPLAY...
- Publication number 20220382137
- Publication date Dec 1, 2022
- Yohei TAKANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
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
LIGHT SOURCE OPTICAL SYSTEM, LIGHT SOURCE DEVICE, LIGHT SOURCE UNIT...
- Publication number 20220171268
- Publication date Jun 2, 2022
- Makoto HIRAKAWA
- G02 - OPTICS
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 OPTICAL SYSTEM, LIGHT SOURCE DEVICE, AND IMAGE PROJECT...
- Publication number 20210389652
- Publication date Dec 16, 2021
- 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 OPTICAL SYSTEM, LIGHT SOURCE DEVICE, AND IMAGE PROJECT...
- Publication number 20210173290
- Publication date Jun 10, 2021
- Yohei TAKANO
- 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 OPTICAL SYSTEM, LIGHT SOURCE DEVICE, AND IMAGE PROJECT...
- Publication number 20200301260
- Publication date Sep 24, 2020
- Yohei TAKANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT SOURCE DEVICE, IMAGE PROJECTION APPARATUS, LIGHT SOURCE OPTIC...
- Publication number 20200301266
- Publication date Sep 24, 2020
- Kasumi NAKAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROJECTION OPTICAL SYSTEM, PROJECTION APPARATUS, AND PROJECTION SYSTEM
- Publication number 20200201008
- Publication date Jun 25, 2020
- RICOH COMPANY, LTD.
- Yohei TAKANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT SOURCE DEVICE AND IMAGE DISPLAY APPARATUS
- Publication number 20200064719
- Publication date Feb 27, 2020
- Kasumi Nakamura
- G02 - OPTICS
Information Patent Application
PROJECTION OPTICAL SYSTEM UNIT, PROJECTION OPTICAL SYSTEM, AND PROJ...
- Publication number 20190285979
- Publication date Sep 19, 2019
- Yohei TAKANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION OPTICAL SYSTEM INCLUDING MOVABLE LENS GROUPS AND IMAGE D...
- Publication number 20190219801
- Publication date Jul 18, 2019
- RICOH COMPANY, LTD.
- Yohei TAKANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION OPTICAL SYSTEM, PROJECTION APPARATUS, AND PROJECTION SYSTEM
- Publication number 20190170988
- Publication date Jun 6, 2019
- RICOH COMPANY, LTD.
- Yohei TAKANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION OPTICAL SYSTEM, PROJECTION APPARATUS, AND PROJECTION SYSTEM
- Publication number 20180074302
- Publication date Mar 15, 2018
- Yohei Takano
- G02 - OPTICS
Information Patent Application
PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS
- Publication number 20180003934
- Publication date Jan 4, 2018
- Ricoh Company, Ltd.
- Yohei TAKANO
- G02 - OPTICS
Information Patent Application
PROJECTION DEVICE AND PROJECTION SYSTEM
- Publication number 20170293125
- Publication date Oct 12, 2017
- Yohei Takano
- G02 - OPTICS

Yohei Takano

Person

Patents Grantslast 30 patents

Light-source optical system, light-source device, and image display...

Light-source device and image forming apparatus including same

Light source optical system, light source device, light source unit...

Light-source device, image projection apparatus, and light-source o...

Wavelength conversion plate, light source device, and image project...

Light source device and image projection apparatus

Light source device and image projection apparatus including a rod...

Light guide optical device, light source device, and image projecti...

Light-source device and image projection apparatus

Light source device and projection device

Light-source device and image forming apparatus including same

Light source optical system, light source device, light source unit...

Light source optical system, light source device, and image project...

Image projection apparatus

Light source device, image projection apparatus, and light source o...

Light-source device and image projection apparatus

Light source optical system, light source device, and image project...

Projection optical system including movable lens groups, a non-mova...

Projection optical system, projection apparatus, and projection system

Light source optical system, light source device, and image project...

Projection optical system unit, projection optical system, and proj...

Light source device and image display apparatus

Projection optical system, projection apparatus, and projection system

Projection optical system including movable lens groups and image d...

Projection optical system, projection apparatus, and projection system

Projection device and projection system

Projection optical system, projection apparatus, and projection system

Image display apparatus and image display unit

Projection optical system and image display apparatus including a r...

Projection device and projection system

Patents Applicationslast 30 patents

LIGHT-SOURCE DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

LIGHT SOURCE DEVICE AND DISPLAY APPARATUS

ILLUMINATION DEVICE AND PROJECTOR

LIGHT SOURCE DEVICE AND PROJECTION APPARATUS

LIGHT SOURCE OPTICAL SYSTEM, LIGHT SOURCE DEVICE, LIGHT SOURCE UNIT...

LIGHT-SOURCE DEVICE, IMAGE PROJECTION APPARATUS, AND DISPLAY DEVICE

LIGHT-SOURCE DEVICE AND IMAGE PROJECTION APPARATUS

WAVELENGTH CONVERSION PLATE, LIGHT SOURCE DEVICE, AND IMAGE PROJECT...

LIGHT-SOURCE OPTICAL SYSTEM, LIGHT-SOURCE DEVICE, AND IMAGE DISPLAY...

LIGHT GUIDE OPTICAL DEVICE, LIGHT SOURCE DEVICE, AND IMAGE PROJECTI...

LIGHT-SOURCE DEVICE, IMAGE PROJECTION APPARATUS, AND LIGHT-SOURCE O...

LIGHT SOURCE DEVICE AND IMAGE PROJECTION APPARATUS

LIGHT SOURCE DEVICE AND PROJECTION DEVICE

LIGHT SOURCE DEVICE, IMAGE PROJECTION APPARATUS, AND LIGHT SOURCE O...

LIGHT SOURCE OPTICAL SYSTEM, LIGHT SOURCE DEVICE, LIGHT SOURCE UNIT...

IMAGE PROJECTION APPARATUS

LIGHT SOURCE OPTICAL SYSTEM, LIGHT SOURCE DEVICE, AND IMAGE PROJECT...

LIGHT-SOURCE DEVICE AND IMAGE PROJECTION APPARATUS

LIGHT SOURCE OPTICAL SYSTEM, LIGHT SOURCE DEVICE, AND IMAGE PROJECT...

LIGHT-SOURCE DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

LIGHT SOURCE OPTICAL SYSTEM, LIGHT SOURCE DEVICE, AND IMAGE PROJECT...

LIGHT SOURCE DEVICE, IMAGE PROJECTION APPARATUS, LIGHT SOURCE OPTIC...

PROJECTION OPTICAL SYSTEM, PROJECTION APPARATUS, AND PROJECTION SYSTEM

LIGHT SOURCE DEVICE AND IMAGE DISPLAY APPARATUS

PROJECTION OPTICAL SYSTEM UNIT, PROJECTION OPTICAL SYSTEM, AND PROJ...

PROJECTION OPTICAL SYSTEM INCLUDING MOVABLE LENS GROUPS AND IMAGE D...

PROJECTION OPTICAL SYSTEM, PROJECTION APPARATUS, AND PROJECTION SYSTEM

PROJECTION OPTICAL SYSTEM, PROJECTION APPARATUS, AND PROJECTION SYSTEM

PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS

PROJECTION DEVICE AND PROJECTION SYSTEM