Light-emitting diodes

Industry

CPC
G03G2215/0409

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Parent Industries

GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G2215/00Apparatus for electrophotographic processes

Current Industry

G03G2215/0409Light-emitting diodes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Organic compound and organic light-emitting device
- Patent number 12,338,252
- Issue date Jun 24, 2025
- Canon Kabushiki Kaisha
- Yosuke Nishide
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Light-emitting device
- Patent number 12,337,355
- Issue date Jun 24, 2025
- FUJIFILM Business Innovation Corp.
- Takahiko Kobayashi
- B08 - CLEANING
Information Patent Grant
Organic compound and organic light-emitting device
- Patent number 12,338,254
- Issue date Jun 24, 2025
- Canon Kabushiki Kaisha
- Hirokazu Miyashita
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Organic compound and organic light-emitting device
- Patent number 12,304,918
- Issue date May 20, 2025
- Canon Kabushiki Kaisha
- Yosuke Nishide
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus with cooling configuration
- Patent number 12,298,708
- Issue date May 13, 2025
- Canon Kabushiki Kaisha
- Takehiro Ishidate
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Driving device and printing apparatus having a connection circuit s...
- Patent number 12,292,699
- Issue date May 6, 2025
- Canon Kabushiki Kaisha
- Naoki Isoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,253,810
- Issue date Mar 18, 2025
- Canon Kabushiki Kaisha
- Takehiro Ishidate
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-emitting chip including plurality of light-emitting portions,...
- Patent number 12,242,208
- Issue date Mar 4, 2025
- Canon Kabushiki Kaisha
- Daisuke Akagi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Light emitting device and image forming apparatus including light e...
- Patent number 12,222,660
- Issue date Feb 11, 2025
- Canon Kabushiki Kaisha
- Yasutomo Furuta
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Cleaning rod for optical print head included in image forming appar...
- Patent number 12,164,257
- Issue date Dec 10, 2024
- Canon Kabushiki Kaisha
- Yuta Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and exposure apparatus for forming image us...
- Patent number 12,147,169
- Issue date Nov 19, 2024
- Canon Kabushiki Kaisha
- Hirotaka Seki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus
- Patent number 12,124,209
- Issue date Oct 22, 2024
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with enhancing structure in cover
- Patent number 12,117,742
- Issue date Oct 15, 2024
- Brother Kogyo Kabushiki Kaisha
- Kotaro Haruta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure head and image forming apparatus
- Patent number 12,117,743
- Issue date Oct 15, 2024
- Canon Kabushiki Kaisha
- Shunsaku Kondo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Light emitting device and image forming apparatus
- Patent number 11,947,276
- Issue date Apr 2, 2024
- FUJIFILM Business Innovation Corp.
- Yosuke Kasuya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hierarchical linear LED printhead design
- Patent number 11,726,416
- Issue date Aug 15, 2023
- Eastman Kodak Company
- Chung-Hui Kuo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light emitting device and image forming apparatus including light e...
- Patent number 11,635,703
- Issue date Apr 25, 2023
- Canon Kabushiki Kaisha
- Yasutomo Furuta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image forming apparatus having cover with link to support exposure...
- Patent number 11,579,558
- Issue date Feb 14, 2023
- Brother Kogyo Kabushiki Kaisha
- Junichi Hiraoka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Light-emitting thyristor, light-emitting element chip, optical prin...
- Patent number 11,450,784
- Issue date Sep 20, 2022
- Oki Electric Industry Co., Ltd.
- Hiroto Kawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light emitting device, light-emitting-element array chip, and expos...
- Patent number 11,429,034
- Issue date Aug 30, 2022
- FUJIFILM Business Innovation Corp.
- Kyoji Yagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical head, image forming apparatus, image reading apparatus, and...
- Patent number 11,415,907
- Issue date Aug 16, 2022
- Oki Electric Industry Co., Ltd.
- Masamitsu Nagamine
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image exposure head and image forming apparatus
- Patent number 11,409,208
- Issue date Aug 9, 2022
- Canon Kabushiki Kaisha
- Hidefumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light emitting device and rendering device
- Patent number 11,347,159
- Issue date May 31, 2022
- FUJIFILM Business Innovation Corp.
- Yosuke Kasuya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light emitting device, exposure device, and image forming apparatus
- Patent number 11,347,160
- Issue date May 31, 2022
- FUJIFILM Business Innovation Corp.
- Yosuke Kasuya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cleaning rod for optical print head included in image forming appar...
- Patent number 11,340,550
- Issue date May 24, 2022
- Canon Kabushiki Kaisha
- Yuta Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with separate light emitting element arrays
- Patent number 11,294,297
- Issue date Apr 5, 2022
- Canon Kabushiki Kaisha
- Hirotaka Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure head and image forming apparatus
- Patent number 11,199,788
- Issue date Dec 14, 2021
- Toshiba Tec Kabushiki Kaisha
- Motoshi Ueda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical sensor and image forming apparatus
- Patent number 11,126,130
- Issue date Sep 21, 2021
- Canon Kabushiki Kaisha
- Katsuhiro Ishido
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,054,760
- Issue date Jul 6, 2021
- Toshiba Tec Kabushiki Kaisha
- Koji Tanimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light-emitting component having light-absorbing layer, light-emitti...
- Patent number 11,043,530
- Issue date Jun 22, 2021
- FUJIFILM Business Innovation Corp.
- Takashi Kondo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DRIVING DEVICE AND PRINTING APPARATUS
- Publication number 20250231503
- Publication date Jul 17, 2025
- Canon Kabushiki Kaisha
- NAOKI ISODA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HOLDING TOOL AND IMAGE FORMING APPARATUS
- Publication number 20250199461
- Publication date Jun 19, 2025
- Canon Kabushiki Kaisha
- YUTA OKADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
EXCHANGING TOOL AND IMAGE FORMING APPARATUS
- Publication number 20250199462
- Publication date Jun 19, 2025
- Canon Kabushiki Kaisha
- SHINICHIRO HOSOI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250199466
- Publication date Jun 19, 2025
- Canon Kabushiki Kaisha
- HITOSHI IWAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250199452
- Publication date Jun 19, 2025
- Canon Kabushiki Kaisha
- RYOTA FUKUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250181006
- Publication date Jun 5, 2025
- Canon Kabushiki Kaisha
- TAKEHIRO ISHIDATE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT-EMITTING CHIP INCLUDING PLURALITY OF LIGHT-EMITTING PORTIONS,...
- Publication number 20250172887
- Publication date May 29, 2025
- Canon Kabushiki Kaisha
- Daisuke Akagi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHT EMITTING DEVICE AND IMAGE FORMING APPARATUS INCLUDING LIGHT E...
- Publication number 20250138447
- Publication date May 1, 2025
- Canon Kabushiki Kaisha
- Yasutomo Furuta
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LED PRINT DRIVE METHOD AND APPARATUS, LED PRINT DEVICE, AND STORAGE...
- Publication number 20250053111
- Publication date Feb 13, 2025
- Huawei Technologies Co., Ltd
- Jiang Zhu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
IMAGE FORMING APPARATUS THAT REDUCES IMAGE SHIFT
- Publication number 20240427261
- Publication date Dec 26, 2024
- Canon Kabushiki Kaisha
- Tsuyoshi TAJIRI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PRINTING EQUIPMENT FOR METALLIC MATERIAL AND PRINTING METHOD USING...
- Publication number 20240385563
- Publication date Nov 21, 2024
- POSCO Co., Ltd
- Sun-Hong Park
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
EXPOSURE APPARATUS AND IMAGE-FORMING APPARATUS
- Publication number 20240345501
- Publication date Oct 17, 2024
- Canon Kabushiki Kaisha
- Yasutomo Furuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
EXPOSURE APPARATUS AND IMAGE-FORMING APPARATUS
- Publication number 20240337964
- Publication date Oct 10, 2024
- Canon Kabushiki Kaisha
- Yasutomo Furuta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE
- Publication number 20240298516
- Publication date Sep 5, 2024
- Canon Kabushiki Kaisha
- NAOKI YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING SYSTEM AND IMAGE FORMING METHOD
- Publication number 20240219856
- Publication date Jul 4, 2024
- Konica Minolta, Inc.
- Kazuhiko NAKAJIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
EXPOSURE-CONTROLLING APPARATUS AND IMAGE-FORMING APPARATUS
- Publication number 20240152070
- Publication date May 9, 2024
- Canon Kabushiki Kaisha
- YASUTOMO TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240126205
- Publication date Apr 18, 2024
- Canon Kabushiki Kaisha
- TAKEHIRO ISHIDATE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240053704
- Publication date Feb 15, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Shougo SATO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230324827
- Publication date Oct 12, 2023
- Canon Kabushiki Kaisha
- TAKEHIRO ISHIDATE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT-EMITTING DEVICE
- Publication number 20230041654
- Publication date Feb 9, 2023
- FUJIFILM Business Innovation Corp.
- Takahiko KOBAYASHI
- B08 - CLEANING
Information Patent Application
CLEANING ROD FOR OPTICAL PRINT HEAD INCLUDED IN IMAGE FORMING APPAR...
- Publication number 20220244675
- Publication date Aug 4, 2022
- Canon Kabushiki Kaisha
- Yuta Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT EMITTING DEVICE AND IMAGE FORMING APPARATUS INCLUDING LIGHT E...
- Publication number 20220146959
- Publication date May 12, 2022
- Canon Kabushiki Kaisha
- Yasutomo Furuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT EMITTING DEVICE, LIGHT-EMITTING-ELEMENT ARRAY CHIP, AND EXPOS...
- Publication number 20220128923
- Publication date Apr 28, 2022
- FUJIFILM Business Innovation Corp.
- Kyoji YAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT EMITTING DEVICE, EXPOSURE DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20220091536
- Publication date Mar 24, 2022
- FUJIFILM Business Innovation Corp.
- Yosuke KASUYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL HEAD, IMAGE FORMING APPARATUS, IMAGE READING APPARATUS, AND...
- Publication number 20210356627
- Publication date Nov 18, 2021
- Oki Electric Industry Co., Ltd.
- Masamitsu NAGAMINE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20210080853
- Publication date Mar 18, 2021
- Toshiba Tec Kabushiki Kaisha
- Koji Tanimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE EXPOSURE HEAD AND IMAGE FORMING APPARATUS
- Publication number 20210055669
- Publication date Feb 25, 2021
- Canon Kabushiki Kaisha
- Hidefumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT-EMITTING THYRISTOR, LIGHT-EMITTING ELEMENT CHIP, OPTICAL PRIN...
- Publication number 20200411715
- Publication date Dec 31, 2020
- Oki Data Corporation
- Hiroto KAWADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE, EXPOSURE HEAD, AND IMAGE FORMI...
- Publication number 20200292958
- Publication date Sep 17, 2020
- Canon Kabushiki Kaisha
- Koichiro Nakanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING COMPONENT, PRINT HEAD, IMAGE FORMING APPARATUS, AND...
- Publication number 20200225602
- Publication date Jul 16, 2020
- FUJI XEROX CO., LTD
- Takashi KONDO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Light-emitting diodes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Organic compound and organic light-emitting device

Light-emitting device

Organic compound and organic light-emitting device

Organic compound and organic light-emitting device

Image forming apparatus with cooling configuration

Driving device and printing apparatus having a connection circuit s...

Image forming apparatus

Light-emitting chip including plurality of light-emitting portions,...

Light emitting device and image forming apparatus including light e...

Cleaning rod for optical print head included in image forming appar...

Image forming apparatus and exposure apparatus for forming image us...

Image forming apparatus

Image forming apparatus with enhancing structure in cover

Exposure head and image forming apparatus

Light emitting device and image forming apparatus

Hierarchical linear LED printhead design

Light emitting device and image forming apparatus including light e...

Image forming apparatus having cover with link to support exposure...

Light-emitting thyristor, light-emitting element chip, optical prin...

Light emitting device, light-emitting-element array chip, and expos...

Optical head, image forming apparatus, image reading apparatus, and...

Image exposure head and image forming apparatus

Light emitting device and rendering device

Light emitting device, exposure device, and image forming apparatus

Cleaning rod for optical print head included in image forming appar...

Image forming apparatus with separate light emitting element arrays

Exposure head and image forming apparatus

Optical sensor and image forming apparatus

Image forming apparatus

Light-emitting component having light-absorbing layer, light-emitti...

Patents Applicationslast 30 patents

DRIVING DEVICE AND PRINTING APPARATUS

HOLDING TOOL AND IMAGE FORMING APPARATUS

EXCHANGING TOOL AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

LIGHT-EMITTING CHIP INCLUDING PLURALITY OF LIGHT-EMITTING PORTIONS,...

LIGHT EMITTING DEVICE AND IMAGE FORMING APPARATUS INCLUDING LIGHT E...

LED PRINT DRIVE METHOD AND APPARATUS, LED PRINT DEVICE, AND STORAGE...

IMAGE FORMING APPARATUS THAT REDUCES IMAGE SHIFT

PRINTING EQUIPMENT FOR METALLIC MATERIAL AND PRINTING METHOD USING...

EXPOSURE APPARATUS AND IMAGE-FORMING APPARATUS

EXPOSURE APPARATUS AND IMAGE-FORMING APPARATUS

ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE

IMAGE FORMING SYSTEM AND IMAGE FORMING METHOD

EXPOSURE-CONTROLLING APPARATUS AND IMAGE-FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

LIGHT-EMITTING DEVICE

CLEANING ROD FOR OPTICAL PRINT HEAD INCLUDED IN IMAGE FORMING APPAR...

LIGHT EMITTING DEVICE AND IMAGE FORMING APPARATUS INCLUDING LIGHT E...

LIGHT EMITTING DEVICE, LIGHT-EMITTING-ELEMENT ARRAY CHIP, AND EXPOS...

LIGHT EMITTING DEVICE, EXPOSURE DEVICE, AND IMAGE FORMING APPARATUS

OPTICAL HEAD, IMAGE FORMING APPARATUS, IMAGE READING APPARATUS, AND...

IMAGE FORMING APPARATUS

IMAGE EXPOSURE HEAD AND IMAGE FORMING APPARATUS

LIGHT-EMITTING THYRISTOR, LIGHT-EMITTING ELEMENT CHIP, OPTICAL PRIN...

SEMICONDUCTOR LIGHT-EMITTING DEVICE, EXPOSURE HEAD, AND IMAGE FORMI...

LIGHT EMITTING COMPONENT, PRINT HEAD, IMAGE FORMING APPARATUS, AND...