Patents by Inventor Yoshiteru Kaida
Yoshiteru Kaida 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: 20230333506Abstract: The image forming apparatus, in the case where the image forming apparatus determines that a replaceable unit is replaced in a first state in which removal of the replaceable unit is inhibited, performs control to switch from the first state to a second state in which removal of the replaceable unit is allowed.Type: ApplicationFiled: June 23, 2023Publication date: October 19, 2023Inventors: Eiichiro Teshima, Yoshiteru Kaida
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Patent number: 11762329Abstract: The image forming apparatus includes a cartridge replaceable by detachably mounting to the image forming apparatus, a door that takes a closed state or an open state, a locking pin that switches a state of the regulation unit between a regulating state in which the replacement unit is prevented to be detached from the image forming apparatus and a release state in which the replacement unit is to be detachable from the image forming apparatus, and a lock control unit (a control unit) that makes a determination as to whether or not the state of the regulation unit is to be switched from the release state to the regulating state, at a predetermined timing when initial processing is completed after a power source is turned on or a state of the door becomes the closed state from the open state.Type: GrantFiled: September 20, 2022Date of Patent: September 19, 2023Assignee: CANON KABUSHIKI KAISHAInventor: Yoshiteru Kaida
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Patent number: 11726427Abstract: In a case in which an image forming apparatus determines that a replaceable unit is replaced in a first state, in which removal of the replaceable unit is inhibited, the image forming apparatus performs control to switch from the first state to a second state, in which removal of the replaceable unit is allowed.Type: GrantFiled: November 3, 2021Date of Patent: August 15, 2023Assignee: Canon Kabushiki KaishaInventors: Eiichiro Teshima, Yoshiteru Kaida
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Publication number: 20230195019Abstract: An image forming apparatus includes a stacking portion including a lifting portion, a feeding member feeding a sheet stacked on the lifting portion to a conveyance passage, a position detector detecting movement of the sheet stacked on to a feedable position to the conveyance passage, a driver including a motor and performing the lifting operation of the lifting portion, a rotation detector detecting rotation of the motor, and a controller. The controller determines a factor that the position detector does not detect the movement of the sheet stacked on the lifting portion to the feedable position within a predetermined time based on a detection result of the rotation detector while controlling the driver to lift up the lifting portion.Type: ApplicationFiled: December 13, 2022Publication date: June 22, 2023Inventors: HIROKI SASAKI, YOSHITERU KAIDA
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Publication number: 20230015778Abstract: The image forming apparatus includes a cartridge replaceable by detachably mounting to the image forming apparatus, a door that takes a closed state or an open state, a locking pin that switches a state of the regulation unit between a regulating state in which the replacement unit is prevented to be detached from the image forming apparatus and a release state in which the replacement unit is to be detachable from the image forming apparatus, and a lock control unit (a control unit) that makes a determination as to whether or not the state of the regulation unit is to be switched from the release state to the regulating state, at a predetermined timing when initial processing is completed after a power source is turned on or a state of the door becomes the closed state from the open state.Type: ApplicationFiled: September 20, 2022Publication date: January 19, 2023Inventor: Yoshiteru Kaida
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Patent number: 11520283Abstract: The image forming apparatus includes a cartridge replaceable by detachably mounting to the image forming apparatus, a door that takes a closed state or an open state, a locking pin that switches a state of the regulation unit between a regulating state in which the replacement unit is prevented to be detached from the image forming apparatus and a release state in which the replacement unit is to be detachable from the image forming apparatus, and a lock control unit (a control unit) that makes a determination as to whether or not the state of the regulation unit is to be switched from the release state to the regulating state, at a predetermined timing when initial processing is completed after a power source is turned on or a state of the door becomes the closed state from the open state.Type: GrantFiled: April 22, 2021Date of Patent: December 6, 2022Assignee: CANON KABUSHIKI KAISHAInventor: Yoshiteru Kaida
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Publication number: 20220128943Abstract: In a case in which an image forming apparatus determines that a replaceable unit is replaced in a first state, in which removal of the replaceable unit is inhibited, the image forming apparatus performs control to switch from the first state to a second state, in which removal of the replaceable unit is allowed.Type: ApplicationFiled: November 3, 2021Publication date: April 28, 2022Inventors: Eiichiro Teshima, Yoshiteru Kaida
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Patent number: 11203496Abstract: An image forming apparatus includes a feeding unit, a detection unit provided downstream of the feeding unit, a measurement unit that measures a measured time from the start of conveyance of a recording material to the detection of the recording material, and a determination unit that performs renewal determination for determining whether the feeding unit has been replaced with a new feeding unit. Thus, replacement of the feeding unit with a new feeding unit can automatically be detected.Type: GrantFiled: June 3, 2019Date of Patent: December 21, 2021Assignee: Canon Kabushiki KaishaInventors: Satoshi Tsuda, Yasuhiko Fuse, Takashi Kuwata, Yoshiteru Kaida, Shoichi Koyama
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Patent number: 11194283Abstract: In a case in which an image forming apparatus determines that a replaceable unit is replaced in a first state, in which removal of the replaceable unit is inhibited, the image forming apparatus performs control to switch from the first state to a second state, in which removal of the replaceable unit is allowed.Type: GrantFiled: February 25, 2019Date of Patent: December 7, 2021Assignee: Canon Kabushiki KaishaInventors: Eiichiro Teshima, Yoshiteru Kaida
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Publication number: 20210240132Abstract: The image forming apparatus includes a cartridge replaceable by detachably mounting to the image forming apparatus, a door that takes a closed state or an open state, a locking pin that switches a state of the regulation unit between a regulating state in which the replacement unit is prevented to be detached from the image forming apparatus and a release state in which the replacement unit is to be detachable from the image forming apparatus, and a lock control unit (a control unit) that makes a determination as to whether or not the state of the regulation unit is to be switched from the release state to the regulating state, at a predetermined timing when initial processing is completed after a power source is turned on or a state of the door becomes the closed state from the open state.Type: ApplicationFiled: April 22, 2021Publication date: August 5, 2021Inventor: Yoshiteru Kaida
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Patent number: 11016437Abstract: The image forming apparatus includes a cartridge replaceable by detachably mounting to the image forming apparatus, a door that takes a closed state or an open state, a locking pin that switches a state of the regulation unit between a regulating state in which the replacement unit is prevented to be detached from the image forming apparatus and a release state in which the replacement unit is to be detachable from the image forming apparatus, and a lock control unit (a control unit) that makes a determination as to whether or not the state of the regulation unit is to be switched from the release state to the regulating state, at a predetermined timing when initial processing is completed after a power source is turned on or a state of the door becomes the closed state from the open state.Type: GrantFiled: October 10, 2019Date of Patent: May 25, 2021Assignee: CANON KABUSHIKI KAISHAInventor: Yoshiteru Kaida
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Publication number: 20200133197Abstract: The image forming apparatus includes a cartridge replaceable by detachably mounting to the image forming apparatus, a door that takes a closed state or an open state, a locking pin that switches a state of the regulation unit between a regulating state in which the replacement unit is prevented to be detached from the image forming apparatus and a release state in which the replacement unit is to be detachable from the image forming apparatus, and a lock control unit (a control unit) that makes a determination as to whether or not the state of the regulation unit is to be switched from the release state to the regulating state, at a predetermined timing when initial processing is completed after a power source is turned on or a state of the door becomes the closed state from the open state.Type: ApplicationFiled: October 10, 2019Publication date: April 30, 2020Inventor: Yoshiteru Kaida
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Publication number: 20190375605Abstract: The image forming apparatus includes a feeding unit, a detection unit provided downstream of the feeding unit, a measurement unit that measures a measured time from the start of conveyance of a recording material to the detection of the recording material, and a determination unit that performs renewal determination for determining whether the feeding unit has been replaced with a new unit. Thus, replacement of the feeding unit with a new unit can automatically be detected.Type: ApplicationFiled: June 3, 2019Publication date: December 12, 2019Inventors: Satoshi Tsuda, Yasuhiko Fuse, Takashi Kuwata, Yoshiteru Kaida, Shoichi Koyama
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Publication number: 20190265636Abstract: The image forming apparatus, in the case where the image forming apparatus determines that a replaceable unit is replaced in a first state in which removal of the replaceable unit is inhibited, performs control to switch from the first state to a second state in which removal of the replaceable unit is allowed.Type: ApplicationFiled: February 25, 2019Publication date: August 29, 2019Inventors: Eiichiro Teshima, Yoshiteru Kaida
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Patent number: 9382090Abstract: An image forming apparatus includes a body having an opening, an image forming unit, storage units that can store a sheet, and a moving unit provided in each storage unit. The moving unit moves the stored sheet and then stops it in an exposed state where the sheet is partly exposed, from the opening, to a body outside. Where a first sheet and a second sheet, stored in a storage unit different from where the first sheet is stored, contact and then are exposed to the outside, when a first sheet moving distance to the exposed state and a second sheet moving distance to the exposed state are different, the moving unit changes a first sheet movement start timing relative to that of the second sheet or changes a first sheet moving speed relative to that of the second sheet, based on moving distances of the first and second sheets.Type: GrantFiled: October 6, 2015Date of Patent: July 5, 2016Assignee: Canon Kabushiki KaishaInventor: Yoshiteru Kaida
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Publication number: 20160101959Abstract: An image forming apparatus includes a body having an opening, an image forming unit, storage units that can store a sheet, and a moving unit provided in each storage unit. The moving unit moves the stored sheet and then stops it in an exposed state where the sheet is partly exposed, from the opening, to a body outside. Where a first sheet and a second sheet, stored in a storage unit different from where the first sheet is stored, contact and then are exposed to the outside, when a first sheet moving distance to the exposed state and a second sheet moving distance to the exposed state are different, the moving unit changes a first sheet movement start timing relative to that of the second sheet or changes a first sheet moving speed relative to that of the second sheet, based on moving distances of the first and second sheets.Type: ApplicationFiled: October 6, 2015Publication date: April 14, 2016Inventor: Yoshiteru Kaida
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Patent number: 9031443Abstract: An image forming apparatus includes an image forming station for forming an unfixed image on a recording material; a fixing portion for heating and fixing an unfixed image formed on the recording material, the fixing portion including a fixing rotatable member, and a pressing roller cooperative with the fixing rotatable member to form a nip for nipping and feeding the recording material; an ambient condition sensor for detecting an ambient temperature and an ambient humidity; and a controller for controlling the fixing portion; wherein the controller sets such a warming-up time for warming up the fixing portion that a temperature of the pressing roller at the time when the recording material enters the nip is a temperature calculated on the basis of the ambient temperature and the ambient humidity.Type: GrantFiled: November 26, 2012Date of Patent: May 12, 2015Assignee: Canon Kabushiki KaishaInventors: Yoshiteru Kaida, Yasuharu Hirado
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Publication number: 20100244353Abstract: When a recording medium is not detected even after an elapse of a predetermined period of time since a paper feeding unit fed the recording medium, the paper feeding unit is operated, to execute an assisting operation for assisting conveying of the recording medium.Type: ApplicationFiled: March 23, 2010Publication date: September 30, 2010Applicant: CANON KABUSHIKI KAISHAInventor: Yoshiteru Kaida