Patents by Inventor Tomoyasu Yabuki
Tomoyasu Yabuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240118656Abstract: A drum cartridge includes a frame on which a toner cartridge is attachable, a photosensitive drum, and a drum memory. The drum cartridge relays information stored in the toner memory to the image forming apparatus when the toner cartridge is attached to the frame.Type: ApplicationFiled: October 17, 2023Publication date: April 11, 2024Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoyasu YABUKI, Takashi SUZUKI, Tadao KYOTANI
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Patent number: 11829099Abstract: A drum cartridge includes a frame on which a toner cartridge is attachable, a photosensitive drum, and a drum memory. The drum cartridge relays information stored in the toner memory to the image forming apparatus when the toner cartridge is attached to the frame.Type: GrantFiled: November 17, 2020Date of Patent: November 28, 2023Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoyasu Yabuki, Takashi Suzuki, Tadao Kyotani
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Publication number: 20230244170Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.Type: ApplicationFiled: April 5, 2023Publication date: August 3, 2023Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoyasu YABUKI, Yoshifumi KAJIKAWA, Takashi SUZUKI, Takashi YASUDA, Takashi SHIMIZU
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Patent number: 11644778Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.Type: GrantFiled: May 25, 2022Date of Patent: May 9, 2023Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoyasu Yabuki, Yoshifumi Kajikawa, Takashi Suzuki, Takashi Yasuda, Takashi Shimizu
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Patent number: 11454925Abstract: An image forming apparatus includes: a drum cartridge to which one of a first toner cartridge and a second toner cartridge is attachable; a frame including a first slot and a second slot; and a controller including a control memory and a processor. The drum cartridge to which the one of the first toner cartridge and the second toner cartridges is attached is attachable to one of the first slot and the second slot. The control memory stores first color information allocated to the first slot, and second color information allocated to the second slot. In a state where the drum cartridge is attached to one of the first slot and the second slot and when the drum memory does not store any color information, the processor is configured to perform: writing, into the drum memory, one of the first color information and the second color information which is appropriate.Type: GrantFiled: March 4, 2021Date of Patent: September 27, 2022Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Takashi Suzuki, Tomoyasu Yabuki, Tadao Kyotani, Nao Itabashi
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Publication number: 20220291616Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.Type: ApplicationFiled: May 25, 2022Publication date: September 15, 2022Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoyasu YABUKI, Yoshifumi KAJIKAWA, Takashi SUZUKI, Takashi YASUDA, Takashi SHIMIZU
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Patent number: 11402782Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.Type: GrantFiled: April 19, 2021Date of Patent: August 2, 2022Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoyasu Yabuki, Yoshifumi Kajikawa, Takashi Suzuki, Takashi Yasuda, Takashi Shimizu
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Publication number: 20210240119Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.Type: ApplicationFiled: April 19, 2021Publication date: August 5, 2021Inventors: Tomoyasu YABUKI, Yoshifumi KAJIKAWA, Takashi SUZUKI, Takashi YASUDA, Takashi SHIMIZU
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Publication number: 20210191315Abstract: An image forming apparatus includes: a drum cartridge to which one of a first toner cartridge and a second toner cartridge is attachable; a frame including a first slot and a second slot; and a controller including a control memory and a processor. The drum cartridge to which the one of the first toner cartridge and the second toner cartridges is attached is attachable to one of the first slot and the second slot. The control memory stores first color information allocated to the first slot, and second color information allocated to the second slot. In a state where the drum cartridge is attached to one of the first slot and the second slot and when the drum memory does not store any color information, the processor is configured to perform: writing, into the drum memory, one of the first color information and the second color information which is appropriate.Type: ApplicationFiled: March 4, 2021Publication date: June 24, 2021Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Takashi SUZUKI, Tomoyasu YABUKI, Tadao KYOTANI, Nao ITABASHI
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Patent number: 11009821Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.Type: GrantFiled: May 8, 2020Date of Patent: May 18, 2021Assignee: Brother Kogyo Kabushiki KaishaInventors: Tomoyasu Yabuki, Yoshifumi Kajikawa, Takashi Suzuki, Takashi Yasuda, Takashi Shimizu
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Patent number: 10962928Abstract: An image forming apparatus includes: a drum cartridge to which one of a first toner cartridge and a second toner cartridge is attachable; a frame including a first slot and a second slot; and a controller including a control memory and a processor. The drum cartridge to which the one of the first toner cartridge and the second toner cartridges is attached is attachable to one of the first slot and the second slot. The control memory stores first color information allocated to the first slot, and second color information allocated to the second slot. In a state where the drum cartridge is attached to one of the first slot and the second slot and when the drum memory does not store any color information, the processor is configured to perform: writing, into the drum memory, one of the first color information and the second color information which is appropriate.Type: GrantFiled: January 31, 2020Date of Patent: March 30, 2021Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Takashi Suzuki, Tomoyasu Yabuki, Tadao Kyotani, Nao Itabashi
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Publication number: 20210072697Abstract: A drum cartridge includes a frame on which a toner cartridge is attachable, a photosensitive drum, and a drum memory. The drum cartridge relays information stored in the toner memory to the image forming apparatus when the toner cartridge is attached to the frame.Type: ApplicationFiled: November 17, 2020Publication date: March 11, 2021Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoyasu YABUKI, Takashi SUZUKI, Tadao KYOTANI
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Patent number: 10845754Abstract: A drum cartridge includes a frame on which a toner cartridge is attachable, a photosensitive drum, and a drum memory. The drum cartridge relays information stored in the toner memory to the image forming apparatus when the toner cartridge is attached to the frame.Type: GrantFiled: October 19, 2018Date of Patent: November 24, 2020Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoyasu Yabuki, Takashi Suzuki, Tadao Kyotani
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Publication number: 20200264544Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.Type: ApplicationFiled: May 8, 2020Publication date: August 20, 2020Inventors: Tomoyasu Yabuki, Yoshifumi Kajikawa, Takashi Suzuki, Takashi Yasuda, Takashi Shimizu
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Patent number: 10671002Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.Type: GrantFiled: July 5, 2018Date of Patent: June 2, 2020Assignee: Brother Kogyo Kabushiki KaishaInventors: Tomoyasu Yabuki, Yoshifumi Kajikawa, Takashi Suzuki, Takashi Yasuda, Takashi Shimizu
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Publication number: 20200166887Abstract: An image forming apparatus includes: a drum cartridge to which one of a first toner cartridge and a second toner cartridge is attachable; a frame including a first slot and a second slot; and a controller including a control memory and a processor. The drum cartridge to which the one of the first toner cartridge and the second toner cartridges is attached is attachable to one of the first slot and the second slot. The control memory stores first color information allocated to the first slot, and second color information allocated to the second slot. In a state where the drum cartridge is attached to one of the first slot and the second slot and when the drum memory does not store any color information, the processor is configured to perform: writing, into the drum memory, one of the first color information and the second color information which is appropriate.Type: ApplicationFiled: January 31, 2020Publication date: May 28, 2020Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Takashi SUZUKI, Tomoyasu YABUKI, Tadao KYOTANI, Nao ITABASHI
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Patent number: 10564599Abstract: An image forming apparatus includes: a drum cartridge to which one of a first toner cartridge and a second toner cartridge is attachable; a frame including a first slot and a second slot; and a controller including a control memory and a processor. The drum cartridge to which the one of the first toner cartridge and the second toner cartridges is attached is attachable to one of the first slot and the second slot. The control memory stores first color information allocated to the first slot, and second color information allocated to the second slot. In a state where the drum cartridge is attached to one of the first slot and the second slot and when the drum memory does not store any color information, the processor is configured to perform: writing, into the drum memory, one of the first color information and the second color information which is appropriate.Type: GrantFiled: March 7, 2019Date of Patent: February 18, 2020Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Takashi Suzuki, Tomoyasu Yabuki, Tadao Kyotani, Nao Itabashi
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Publication number: 20190302689Abstract: An image forming apparatus includes: a drum cartridge to which one of a first toner cartridge and a second toner cartridge is attachable; a frame including a first slot and a second slot; and a controller including a control memory and a processor. The drum cartridge to which the one of the first toner cartridge and the second toner cartridges is attached is attachable to one of the first slot and the second slot. The control memory stores first color information allocated to the first slot, and second color information allocated to the second slot. In a state where the drum cartridge is attached to one of the first slot and the second slot and when the drum memory does not store any color information, the processor is configured to perform: writing, into the drum memory, one of the first color information and the second color information which is appropriate.Type: ApplicationFiled: March 7, 2019Publication date: October 3, 2019Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Takashi SUZUKI, Tomoyasu YABUKI, Tadao KYOTANI, Nao ITABASHI
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Patent number: RE47670Abstract: A recording apparatus includes: a first housing; a second housing pivotable about a shaft relative to the first housing between a close position and a distant position; and a tank mount portion provided in the second housing such that a mounting direction of a tank with respect to the tank mount portion in a state in which the second housing is at the distant position has a downward component in a vertical direction. The tank mount portion includes a resistance applying mechanism which applies a resistance force to the tank in a state in which at least a part of the tank is inserted into the tank mount portion when the second housing is at the distant position.Type: GrantFiled: April 14, 2017Date of Patent: October 29, 2019Assignee: Brother Kogyo Kabushiki KaishaInventors: Shinya Yamamoto, Tomoyasu Yabuki
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Patent number: RE48702Abstract: A recording apparatus includes: a first housing; a second housing pivotable about a shaft relative to the first housing between a close position and a distant position; and a tank mount portion provided in the second housing such that a mounting direction of a tank with respect to the tank mount portion in a state in which the second housing is at the distant position has a downward component in a vertical direction. The tank mount portion includes a resistance applying mechanism which applies a resistance force to the tank in a state in which at least a part of the tank is inserted into the tank mount portion when the second housing is at the distant position.Type: GrantFiled: September 24, 2019Date of Patent: August 24, 2021Assignee: Brother Kogyo Kabushiki KaishaInventors: Shinya Yamamoto, Tomoyasu Yabuki