Means for compensating spatially uneven illumination

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H04N1/02885

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HELECTRICITY H04Electric communication H04NPICTORIAL COMMUNICATION H04N1/00Scanning, transmission or reproduction of documents or the like

Current Industry

H04N1/02885Means for compensating spatially uneven illumination

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Image-forming apparatus
- Patent number RE50141
- Issue date Sep 24, 2024
- Canon Kabushiki Kaisha
- Takashi Kawana
Information Patent Grant
Image reading device and image forming apparatus
- Patent number 11,895,279
- Issue date Feb 6, 2024
- FUJIFILM Business Innovation Corp.
- Takuya Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light-emitting device and image forming apparatus
- Patent number 11,743,407
- Issue date Aug 29, 2023
- Canon Kabushiki Kaisha
- Tatsuya Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illumination device for image sensor
- Patent number 11,743,406
- Issue date Aug 29, 2023
- Glory Ltd.
- Takaaki Morimoto
- G02 - OPTICS
Information Patent Grant
Reading device, image forming apparatus, image reading method, and...
- Patent number 11,516,367
- Issue date Nov 29, 2022
- Ricoh Company, Ltd.
- Ayumu Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Measurement apparatus, information processing apparatus, and non-tr...
- Patent number 11,496,631
- Issue date Nov 8, 2022
- FUJIFILM Business Innovation Corp.
- Takashi Hiramatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image scanner with multidirectional illumination
- Patent number 11,190,659
- Issue date Nov 30, 2021
- Silvia Colagrande
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image sensor unit and image reading device
- Patent number 10,917,536
- Issue date Feb 9, 2021
- Nippon Sheet Glass Company, Limited
- Keiji Tsunetomo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading device allows plural kind of scanning methods using i...
- Patent number 10,819,879
- Issue date Oct 27, 2020
- Kyocera Document Solutions Inc.
- Yasuyuki Horiguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image sensor unit, image reading device, and image forming device h...
- Patent number 10,764,460
- Issue date Sep 1, 2020
- Konica Minolta, Inc.
- Hiroshi Uga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading apparatus and image sensor
- Patent number 10,721,372
- Issue date Jul 21, 2020
- Canon Kabushiki Kaisha
- Yuichi Yanagiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detector, image forming apparatus, reading apparatus, and adjustmen...
- Patent number 10,675,899
- Issue date Jun 9, 2020
- Ricoh Company, Ltd.
- Takeo Shirato
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image reading apparatus and image reading method
- Patent number 10,554,847
- Issue date Feb 4, 2020
- Canon Kabushiki Kaisha
- Daisuke Akagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading apparatus
- Patent number 10,506,124
- Issue date Dec 10, 2019
- Mitsubishi Electric Corporation
- Hiroyuki Kawano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading module and image reading device and image forming apparatus...
- Patent number 10,440,212
- Issue date Oct 8, 2019
- Kyocera Document Solutions Inc.
- Takaaki Murase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illuminating device, image reading apparatus and image forming appa...
- Patent number 10,412,254
- Issue date Sep 10, 2019
- Sharp Kabushiki Kaisha
- Yoshihisa Yamada
- F21 - LIGHTING
Information Patent Grant
LED light source probe card technology for testing CMOS image scan...
- Patent number 10,352,870
- Issue date Jul 16, 2019
- FormFactor, Inc.
- Nobuhiro Kawamata
- G01 - MEASURING TESTING
Information Patent Grant
Reading module and image reading device and image forming apparatus...
- Patent number 10,237,438
- Issue date Mar 19, 2019
- Kyocera Document Solutions Inc.
- Takaaki Murase
- G02 - OPTICS
Information Patent Grant
Reading module and image reading device and image forming apparatus...
- Patent number 10,237,437
- Issue date Mar 19, 2019
- Kyocera Document Solutions Inc.
- Takaaki Murase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image-forming apparatus
- Patent number 10,197,942
- Issue date Feb 5, 2019
- Canon Kabushiki Kaisha
- Takashi Kawana
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading module, and image reading device/image forming apparatus in...
- Patent number 10,148,842
- Issue date Dec 4, 2018
- Kyocera Document Solutions Inc.
- Takaaki Murase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image-forming apparatus for correcting a brightness of a laser light
- Patent number 10,007,208
- Issue date Jun 26, 2018
- Canon Kabushiki Kaisha
- Takashi Kawana
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure unit, image forming unit, and image forming apparatus
- Patent number 10,001,720
- Issue date Jun 19, 2018
- Oki Data Corporation
- Akihiro Yamamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Illuminating device, image reading apparatus and image forming appa...
- Patent number 9,948,811
- Issue date Apr 17, 2018
- Sharp Kabushiki Kaisha
- Yoshihisa Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image reading apparatus and image reading...
- Patent number 9,942,429
- Issue date Apr 10, 2018
- Kabushiki Kaisha Toshiba
- Hirokazu Shoda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading apparatus
- Patent number 9,930,204
- Issue date Mar 27, 2018
- Canon Kabushiki Kaisha
- Toshio Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus having a density sensor movable in a main s...
- Patent number 9,921,533
- Issue date Mar 20, 2018
- Ricoh Company, Ltd.
- Atsushi Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image reading apparatus
- Patent number 9,894,232
- Issue date Feb 13, 2018
- Riso Kagaku Corporation
- Mitsuharu Shiokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lighting apparatus and image reading apparatus
- Patent number 9,894,233
- Issue date Feb 13, 2018
- Mitsubishi Electric Corporation
- Taku Matsuzawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image sensor module
- Patent number 9,756,207
- Issue date Sep 5, 2017
- Rohm Co., Ltd.
- Kuniaki Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE, IMAGE READING UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20240283881
- Publication date Aug 22, 2024
- FUJIFILM Business Innovation Corp.
- Hiroshi SAWADA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
MEASURING ACCESS FLOW RATE BY USE OF BLOOD TREATMENT MACHINE
- Publication number 20240267473
- Publication date Aug 8, 2024
- GAMBRO LUNDIA AB
- Jan Sternby
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE READING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20230308574
- Publication date Sep 28, 2023
- FUJIFILM Business Innovation Corp.
- Takuya ISHIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS, POST-PROCESSING POSITION ADJUSTING METHOD...
- Publication number 20230156133
- Publication date May 18, 2023
- Konica Minolta, Inc.
- Ryo MORITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ILLUMINATION DEVICE FOR IMAGE SENSOR
- Publication number 20220417381
- Publication date Dec 29, 2022
- GLORY LTD.
- Takaaki MORIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT-EMITTING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20220329707
- Publication date Oct 13, 2022
- Canon Kabushiki Kaisha
- Tatsuya Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MEASUREMENT APPARATUS, INFORMATION PROCESSING APPARATUS, AND NON-TR...
- Publication number 20220124205
- Publication date Apr 21, 2022
- FUJIFILM Business Innovation Corp.
- Takashi HIRAMATSU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READING DEVICE, IMAGE FORMING APPARATUS, IMAGE READING METHOD, AND...
- Publication number 20210409566
- Publication date Dec 30, 2021
- Ricoh Company, Ltd.
- Ayumu HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE SCANNER WITH MULTIDIRECTIONAL ILLUMINATION
- Publication number 20210006681
- Publication date Jan 7, 2021
- Silvia COLAGRANDE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE SENSOR UNIT AND IMAGE READING DEVICE
- Publication number 20200014813
- Publication date Jan 9, 2020
- Nippon Sheet Glass Company, Limited
- Keiji TSUNETOMO
- G02 - OPTICS
Information Patent Application
ILLUMINATING DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPA...
- Publication number 20190356809
- Publication date Nov 21, 2019
- Sharp Kabushiki Kaisha
- Yoshihisa Yamada
- F21 - LIGHTING
Information Patent Application
IMAGE READING APPARATUS AND IMAGE READING METHOD
- Publication number 20190273836
- Publication date Sep 5, 2019
- Canon Kabushiki Kaisha
- Daisuke Akagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE READING DEVICE AND IMAGE FORMING APPARATUS THEREWITH
- Publication number 20190208081
- Publication date Jul 4, 2019
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yasuyuki HORIGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE SENSOR UNIT, IMAGE READING DEVICE, AND IMAGE FORMING DEVICE
- Publication number 20190174020
- Publication date Jun 6, 2019
- Konica Minolta, Inc.
- Hiroshi UGA
- G02 - OPTICS
Information Patent Application
IMAGE READING APPARATUS
- Publication number 20190132470
- Publication date May 2, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Hiroyuki KAWANO
- G02 - OPTICS
Information Patent Application
IMAGE READING APPARATUS AND IMAGE SENSOR
- Publication number 20190116286
- Publication date Apr 18, 2019
- Canon Kabushiki Kaisha
- Yuichi Yanagiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DETECTOR, IMAGE FORMING APPARATUS, READING APPARATUS, AND ADJUSTMEN...
- Publication number 20180361766
- Publication date Dec 20, 2018
- RICOH COMPANY, LTD.
- Takeo Shirato
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE-FORMING APPARATUS
- Publication number 20180275557
- Publication date Sep 27, 2018
- Canon Kabushiki Kaisha
- Takashi Kawana
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ILLUMINATING DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPA...
- Publication number 20180198942
- Publication date Jul 12, 2018
- Sharp Kabushiki Kaisha
- Yoshihisa Yamada
- F21 - LIGHTING
Information Patent Application
LED light source probe card technology for testing CMOS image scan...
- Publication number 20180164223
- Publication date Jun 14, 2018
- Nobuhiro Kawamata
- G02 - OPTICS
Information Patent Application
READING MODULE AND IMAGE READING DEVICE AND IMAGE FORMING APPARATUS...
- Publication number 20180152580
- Publication date May 31, 2018
- KYOCERA DOCUMENT SOLUTIONS INC.
- Takaaki MURASE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READING MODULE AND IMAGE READING DEVICE AND IMAGE FORMING APPARATUS...
- Publication number 20180152581
- Publication date May 31, 2018
- KYOCERA DOCUMENT SOLUTIONS INC.
- Takaaki MURASE
- G02 - OPTICS
Information Patent Application
READING MODULE AND IMAGE READING DEVICE AND IMAGE FORMING APPARATUS...
- Publication number 20180152582
- Publication date May 31, 2018
- KYOCERA DOCUMENT SOLUTIONS INC.
- Takaaki MURASE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE FOR ENHANCED READING
- Publication number 20180139338
- Publication date May 17, 2018
- AVANT-GOUT STUDIOS
- Adrien PIFFARETTI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READING MODULE, AND IMAGE READING DEVICE/IMAGE FORMING APPARATUS IN...
- Publication number 20180035002
- Publication date Feb 1, 2018
- KYOCERA DOCUMENT SOLUTIONS INC.
- Takaaki MURASE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EXPOSURE UNIT, IMAGE FORMING UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20170212446
- Publication date Jul 27, 2017
- Oki Data Corporation
- Akihiro Yamamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE READING APPARATUS
- Publication number 20170155789
- Publication date Jun 1, 2017
- Riso Kagaku Corporation
- Mitsuharu SHIOKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHTING APPARATUS AND IMAGE READING APPARATUS
- Publication number 20170085738
- Publication date Mar 23, 2017
- MITSUBISHI ELECTRIC CORPORATION
- Taku MATSUZAWA
- G02 - OPTICS
Information Patent Application
LIGHT SCANNING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20170064108
- Publication date Mar 2, 2017
- Canon Kabushiki Kaisha
- Toshiharu Mamiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS HAVING A DENSITY SENSOR MOVABLE IN A MAIN S...
- Publication number 20160349687
- Publication date Dec 1, 2016
- Atsushi MORI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Means for compensating spatially uneven illumination

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Image-forming apparatus

Image reading device and image forming apparatus

Light-emitting device and image forming apparatus

Illumination device for image sensor

Reading device, image forming apparatus, image reading method, and...

Measurement apparatus, information processing apparatus, and non-tr...

Image scanner with multidirectional illumination

Image sensor unit and image reading device

Image reading device allows plural kind of scanning methods using i...

Image sensor unit, image reading device, and image forming device h...

Image reading apparatus and image sensor

Detector, image forming apparatus, reading apparatus, and adjustmen...

Image reading apparatus and image reading method

Image reading apparatus

Reading module and image reading device and image forming apparatus...

Illuminating device, image reading apparatus and image forming appa...

LED light source probe card technology for testing CMOS image scan...

Reading module and image reading device and image forming apparatus...

Reading module and image reading device and image forming apparatus...

Image-forming apparatus

Reading module, and image reading device/image forming apparatus in...

Image-forming apparatus for correcting a brightness of a laser light

Exposure unit, image forming unit, and image forming apparatus

Illuminating device, image reading apparatus and image forming appa...

Image forming apparatus, image reading apparatus and image reading...

Image reading apparatus

Image forming apparatus having a density sensor movable in a main s...

Image reading apparatus

Lighting apparatus and image reading apparatus

Image sensor module

Patents Applicationslast 30 patents

OPTICAL DEVICE, IMAGE READING UNIT, AND IMAGE FORMING APPARATUS

MEASURING ACCESS FLOW RATE BY USE OF BLOOD TREATMENT MACHINE

IMAGE READING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS, POST-PROCESSING POSITION ADJUSTING METHOD...

ILLUMINATION DEVICE FOR IMAGE SENSOR

LIGHT-EMITTING DEVICE AND IMAGE FORMING APPARATUS

MEASUREMENT APPARATUS, INFORMATION PROCESSING APPARATUS, AND NON-TR...

READING DEVICE, IMAGE FORMING APPARATUS, IMAGE READING METHOD, AND...

IMAGE SCANNER WITH MULTIDIRECTIONAL ILLUMINATION

IMAGE SENSOR UNIT AND IMAGE READING DEVICE

ILLUMINATING DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPA...

IMAGE READING APPARATUS AND IMAGE READING METHOD

IMAGE READING DEVICE AND IMAGE FORMING APPARATUS THEREWITH

IMAGE SENSOR UNIT, IMAGE READING DEVICE, AND IMAGE FORMING DEVICE

IMAGE READING APPARATUS

IMAGE READING APPARATUS AND IMAGE SENSOR

DETECTOR, IMAGE FORMING APPARATUS, READING APPARATUS, AND ADJUSTMEN...

IMAGE-FORMING APPARATUS

ILLUMINATING DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPA...

LED light source probe card technology for testing CMOS image scan...

READING MODULE AND IMAGE READING DEVICE AND IMAGE FORMING APPARATUS...

READING MODULE AND IMAGE READING DEVICE AND IMAGE FORMING APPARATUS...

READING MODULE AND IMAGE READING DEVICE AND IMAGE FORMING APPARATUS...

DEVICE FOR ENHANCED READING

READING MODULE, AND IMAGE READING DEVICE/IMAGE FORMING APPARATUS IN...

EXPOSURE UNIT, IMAGE FORMING UNIT, AND IMAGE FORMING APPARATUS

IMAGE READING APPARATUS

LIGHTING APPARATUS AND IMAGE READING APPARATUS

LIGHT SCANNING APPARATUS AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS HAVING A DENSITY SENSOR MOVABLE IN A MAIN S...