the level being measured by optical means

Industry

CPC
G03G15/0862

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Parent Industries

GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G15/00Apparatus for electrographic processes using a charge pattern

Current Industry

G03G15/0862the level being measured by optical means

Industries

Patents Grantslast 30 patents

Information Patent Grant
Toner cartridge
- Patent number 12,117,764
- Issue date Oct 15, 2024
- Canon Kabushiki Kaisha
- Takashi Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method, and non-transitory r...
- Patent number 12,105,440
- Issue date Oct 1, 2024
- Ricoh Company, Ltd.
- Yuji Ieiri
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with suppression of light quality attenuation
- Patent number 12,085,871
- Issue date Sep 10, 2024
- Canon Kabushiki Kaisha
- Tsuyoshi Ogawa
- G01 - MEASURING TESTING
Information Patent Grant
Image forming apparatus and method of controlling the same
- Patent number 12,085,872
- Issue date Sep 10, 2024
- Brother Kogyo Kabushiki Kaisha
- Takashi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and image forming apparatus
- Patent number 12,072,667
- Issue date Aug 27, 2024
- Canon Kabushiki Kaisha
- Yuko Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supply device and image forming apparatus
- Patent number 12,055,871
- Issue date Aug 6, 2024
- Kyocera Document Solutions Inc.
- Tomohisa Soda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,032,308
- Issue date Jul 9, 2024
- Canon Kabushiki Kaisha
- Haruyuki Hotta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developer replenishment thereof
- Patent number 11,874,612
- Issue date Jan 16, 2024
- Canon Kabushiki Kaisha
- Nobuyuki Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having detection of residual toner amount
- Patent number 11,860,556
- Issue date Jan 2, 2024
- Canon Kabushiki Kaisha
- Tetsushi Uneme
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming system
- Patent number 11,846,894
- Issue date Dec 19, 2023
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having an abnormality detection mode
- Patent number 11,841,639
- Issue date Dec 12, 2023
- Canon Kabushiki Kaisha
- Yasuhiko Okuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with replenishable toner supply
- Patent number 11,796,937
- Issue date Oct 24, 2023
- Canon Kabushiki Kaisha
- Kazumichi Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner conveying apparatus having a light transmission portion
- Patent number 11,774,879
- Issue date Oct 3, 2023
- Canon Kabushiki Kaisha
- Seiji Inada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method of controlling the same
- Patent number 11,599,039
- Issue date Mar 7, 2023
- Brother Kogyo Kabushiki Kaisha
- Takashi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming system
- Patent number 11,467,514
- Issue date Oct 11, 2022
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,460,788
- Issue date Oct 4, 2022
- Ricoh Company, Ltd.
- Yasuhide Matsuno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus
- Patent number 11,454,902
- Issue date Sep 27, 2022
- Kyocera Document Solutions Inc.
- Tomohisa Soda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Reflective toner level detector with relative rotating and cleaning
- Patent number 11,366,406
- Issue date Jun 21, 2022
- Avision Inc.
- Shao-Lan Sheng
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method of controlling the same
- Patent number 11,360,406
- Issue date Jun 14, 2022
- Brother Kogyo Kabushiki Kaisha
- Takashi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developer replenishment thereof
- Patent number 11,269,266
- Issue date Mar 8, 2022
- Canon Kabushiki Kaisha
- Nobuyuki Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imaging device
- Patent number 11,221,576
- Issue date Jan 11, 2022
- Hewlett-Packard Development Company, L.P.
- Yoichi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming unit and image forming apparatus
- Patent number 11,199,789
- Issue date Dec 14, 2021
- Canon Kabushiki Kaisha
- Yohei Kusano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming unit and image forming apparatus
- Patent number 11,199,808
- Issue date Dec 14, 2021
- Canon Kabushiki Kaisha
- Hiroki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Structure for detecting developer level in developer cartridge
- Patent number 11,112,724
- Issue date Sep 7, 2021
- Hewlett-Packard Development Company, L.P.
- Jong Hyun Park
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having toner replenishment
- Patent number 11,099,500
- Issue date Aug 24, 2021
- Canon Kabushiki Kaisha
- Ai Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus to which toner container is attachable
- Patent number 11,086,259
- Issue date Aug 10, 2021
- Canon Kabushiki Kaisha
- Takahisa Hatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder storage height detection device and powder replenishing device
- Patent number 10,990,034
- Issue date Apr 27, 2021
- Fuji Xerox Co., Ltd.
- Tomoyuki Hamachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container and image forming apparatus
- Patent number 10,990,035
- Issue date Apr 27, 2021
- Kyocera Document Solutions Inc.
- Shinichi Tajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Reflective toner level detector with relative rotating and cleaning
- Patent number 10,983,454
- Issue date Apr 20, 2021
- Avision Inc.
- Shao-Lan Sheng
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder storage height detection device and powder replenishing device
- Patent number 10,890,861
- Issue date Jan 12, 2021
- Fuji Xerox Co., Ltd.
- Yoshihisa Nakao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240310763
- Publication date Sep 19, 2024
- Canon Kabushiki Kaisha
- SHINGO ITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE HAVING ROTATABLE WIPER WIPING OPTICAL SURFACE OF...
- Publication number 20240201617
- Publication date Jun 20, 2024
- Hewlett-Packard Development Company, L.P.
- Yongnam Ahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240085822
- Publication date Mar 14, 2024
- Canon Kabushiki Kaisha
- Tetsushi Uneme
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPER REPLENISHMENT THEREOF
- Publication number 20240061359
- Publication date Feb 22, 2024
- Canon Kabushiki Kaisha
- NOBUYUKI KOBAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND NON-TRANSITORY R...
- Publication number 20240004327
- Publication date Jan 4, 2024
- RICOH COMPANY, LTD.
- Yuji Ieiri
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER SUPPLY DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20230305433
- Publication date Sep 28, 2023
- KYOCERA DOCUMENT SOLUTIONS INC.
- Tomohisa SODA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image Forming Apparatus and Method of Controlling the Same
- Publication number 20230205110
- Publication date Jun 29, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Takashi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230185215
- Publication date Jun 15, 2023
- Canon Kabushiki Kaisha
- Tsuyoshi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230168605
- Publication date Jun 1, 2023
- Canon Kabushiki Kaisha
- Haruyuki Hotta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20220404735
- Publication date Dec 22, 2022
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220382184
- Publication date Dec 1, 2022
- Canon Kabushiki Kaisha
- Yasuhiko Okuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image Forming Apparatus and Method of Controlling the Same
- Publication number 20220326635
- Publication date Oct 13, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Takashi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONVEYING APPARATUS
- Publication number 20220197183
- Publication date Jun 23, 2022
- Canon Kabushiki Kaisha
- Seiji Inada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220187736
- Publication date Jun 16, 2022
- KYOCERA DOCUMENT SOLUTIONS INC.
- Tomohisa SODA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPER REPLENISHMENT THEREOF
- Publication number 20220155705
- Publication date May 19, 2022
- Canon Kabushiki Kaisha
- Nobuyuki Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220066348
- Publication date Mar 3, 2022
- Ricoh Company, Ltd.
- Yasuhide MATSUNO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20210405552
- Publication date Dec 30, 2021
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
REFLECTIVE TONER LEVEL DETECTOR WITH RELATIVE ROTATING AND CLEANING
- Publication number 20210208522
- Publication date Jul 8, 2021
- Avision Inc.
- SHAO-LAN SHENG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGING DEVICE
- Publication number 20210116836
- Publication date Apr 22, 2021
- Hewlett-Packard Development Company, L.P.
- Yoichi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING UNIT AND IMAGE FORMING APPARATUS
- Publication number 20210080861
- Publication date Mar 18, 2021
- Canon Kabushiki Kaisha
- Hiroki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING UNIT AND IMAGE FORMING APPARATUS
- Publication number 20210080862
- Publication date Mar 18, 2021
- Canon Kabushiki Kaisha
- Yohei Kusano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPER REPLENISHMENT CONTAINER
- Publication number 20210041803
- Publication date Feb 11, 2021
- Canon Kabushiki Kaisha
- Nobuyuki Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20210018858
- Publication date Jan 21, 2021
- KYOCERA DOCUMENT SOLUTIONS INC.
- Shinichi TAJIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
REFLECTIVE TONER LEVEL DETECTOR WITH RELATIVE ROTATING AND CLEANING
- Publication number 20210018857
- Publication date Jan 21, 2021
- Avision Inc.
- SHAO-LAN SHENG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
STRUCTURE FOR DETECTING DEVELOPER LEVEL OF DEVELOPER CARTRIDGE
- Publication number 20210003940
- Publication date Jan 7, 2021
- Hewlett-Packard Development Company, L.P.
- Jong Hyun PARK
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image Forming Apparatus and Method of Controlling the Same
- Publication number 20210003941
- Publication date Jan 7, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Takashi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20200292960
- Publication date Sep 17, 2020
- Canon Kabushiki Kaisha
- Ai Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image Forming Apparatus and Method of Controlling the Same
- Publication number 20190354039
- Publication date Nov 21, 2019
- BROTHER KOGYO KABUSHIKI KAISHA
- Takashi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, IMAGE FORMATION UNIT, AND IMAGE FORMATION APPA...
- Publication number 20190094786
- Publication date Mar 28, 2019
- Oki Data Corporation
- Hisatoshi SAITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CONTROL METHOD
- Publication number 20190049886
- Publication date Feb 14, 2019
- Canon Kabushiki Kaisha
- Fumiaki Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

the level being measured by optical means

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Toner cartridge

Image forming apparatus, image forming method, and non-transitory r...

Image forming apparatus with suppression of light quality attenuation

Image forming apparatus and method of controlling the same

Cartridge and image forming apparatus

Toner supply device and image forming apparatus

Image forming apparatus

Image forming apparatus and developer replenishment thereof

Image forming apparatus having detection of residual toner amount

Image forming apparatus and image forming system

Image forming apparatus having an abnormality detection mode

Image forming apparatus with replenishable toner supply

Toner conveying apparatus having a light transmission portion

Image forming apparatus and method of controlling the same

Image forming apparatus and image forming system

Image forming apparatus

Image forming apparatus

Reflective toner level detector with relative rotating and cleaning

Image forming apparatus and method of controlling the same

Image forming apparatus and developer replenishment thereof

Imaging device

Image forming unit and image forming apparatus

Image forming unit and image forming apparatus

Structure for detecting developer level in developer cartridge

Image forming apparatus having toner replenishment

Image forming apparatus to which toner container is attachable

Powder storage height detection device and powder replenishing device

Toner container and image forming apparatus

Reflective toner level detector with relative rotating and cleaning

Powder storage height detection device and powder replenishing device

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE HAVING ROTATABLE WIPER WIPING OPTICAL SURFACE OF...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND DEVELOPER REPLENISHMENT THEREOF

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND NON-TRANSITORY R...

TONER SUPPLY DEVICE AND IMAGE FORMING APPARATUS

Image Forming Apparatus and Method of Controlling the Same

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

IMAGE FORMING APPARATUS

Image Forming Apparatus and Method of Controlling the Same

TONER CONVEYING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND DEVELOPER REPLENISHMENT THEREOF

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

REFLECTIVE TONER LEVEL DETECTOR WITH RELATIVE ROTATING AND CLEANING

IMAGING DEVICE

IMAGE FORMING UNIT AND IMAGE FORMING APPARATUS

IMAGE FORMING UNIT AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND DEVELOPER REPLENISHMENT CONTAINER

TONER CONTAINER AND IMAGE FORMING APPARATUS

REFLECTIVE TONER LEVEL DETECTOR WITH RELATIVE ROTATING AND CLEANING

STRUCTURE FOR DETECTING DEVELOPER LEVEL OF DEVELOPER CARTRIDGE

Image Forming Apparatus and Method of Controlling the Same

IMAGE FORMING APPARATUS

Image Forming Apparatus and Method of Controlling the Same

DEVELOPER CONTAINER, IMAGE FORMATION UNIT, AND IMAGE FORMATION APPA...

IMAGE FORMING APPARATUS AND CONTROL METHOD