Patents by Inventor Ayatomo Okino
Ayatomo Okino 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: 20240134310Abstract: An object of the present invention is to provide a developer supply container capable of simplifying a mechanism for displacing a developer receiving portion to connect it with a developer supply container. A developer supply container 1 for supplying a developer through a developer receiving portion 11 displaceably provided in a developer receiving apparatus 8 to which said developer supply container 1 is detachably mountable, said developer supply container 1 includes a developer accommodating portion 2c for accommodating a developer; and an engaging portions 3b2, 3b4, engageable with said developer receiving portion 11, for displacing said developer receiving portion 11 toward said developer supply container 1 with a mounting operation of said developer supply container 1 to establish a connected state between said developer supply container 1 and said developer receiving portion 11.Type: ApplicationFiled: January 3, 2024Publication date: April 25, 2024Inventors: Manabu Jimba, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa
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Publication number: 20240103400Abstract: Provided is a developer replenishing container including: a developer containing part capable of containing a developer; a discharge port through which the developer contained in the developer containing part is discharged; a conveyance part conveying the developer in the developer containing part by rotating; and a displacement part displaceable in conjunction with rotation of the conveyance part in the developer in a vicinity of the discharge port, and including a moving member capable of reciprocating in conjunction with the rotation of the conveyance part and a biasing member which biases the moving member and which is expandable according to movement of the moving member.Type: ApplicationFiled: November 3, 2023Publication date: March 28, 2024Inventors: Nobuyuki Yomoda, Yusuke Yamada, Ayatomo Okino, Manabu Jimba, Akihito Kamura
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Publication number: 20240077814Abstract: A developer supply container 1 detachably mountable to a developer supplying apparatus 201 includes a developer accommodating portion 2 capable of accommodating a developer, a discharge opening 4a for discharging the developer accommodated in the developer accommodating portion 2 toward the developer supplying apparatus 201, a pump portion 3a for effecting a discharging operation through the discharge opening 4a, a communicating portion 4d provided at a position contacting the discharge opening 4a and capable of storing a constant amount of the developer, and a regulating portion 7 capable of taking a developer flow regulating state in which the flow of the developer into the communicating portion 4d and a developer flow non-regulating state in which the entering of the developer is not regulated, the regulating portion 7 taking the developer flow regulating state in a discharging operation of the pump portion 3a, wherein the regulating portion 7 is provided with an air flow path 7g for communicating betweenType: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Inventors: Nobuyuki Yomoda, Ayatomo Okino, Manabu Jimba, Akihito Kamura, Takashi Enokuchi
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Patent number: 11921441Abstract: A developer supply container includes a developer discharging portion that is provided with a discharge passageway. A track is provided at a first side of the developer discharging portion. A shutter is provided with a shutter opening configured to permit discharge of the developer from the discharge passageway, with the shutter including a recessed portion on an outer side of the shutter. The recessed portion includes an inclined surface.Type: GrantFiled: January 6, 2023Date of Patent: March 5, 2024Assignee: Canon Kabushiki KaishaInventors: Katsuya Murakami, Ayatomo Okino
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Publication number: 20240069468Abstract: With a mounting operation of a supply container, a supported portion 11b of a developer receiving portion 11 is supported by a receipt supporting portion 30c of a lifting portion 30. With further mounting operation, a shutter sliding portion 30b of the lifting portion 30 slides on a shutter inclined portion 4f of a shutter 4. The developer receiving portion 11 is displaced so as to bring a receiving opening into communication with a discharge opening by operating, using the shutter 4, the lifting portion 30 supporting the supported portion 11b of the developer receiving portion 11. By this, a load required for movement of the developer receiving portion 11 is reduced to achieve smooth mounting of the supply container.Type: ApplicationFiled: November 8, 2023Publication date: February 29, 2024Inventors: Yohei Gamo, Tsukasa Mine, Akihito Kamura, Koji Katayama, Masato Yamaoka, Yusuke Oizumi, Manabu Jimba, Ayatomo Okino, Nobuyuki Yomoda, Keisuke Isobe
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Patent number: 11906926Abstract: A developer supply includes a developer accommodating body and a developer discharging body. A track is positioned at a side of the developer discharging body, with the track including a surface that extends from a first position to a second position. When the developer supply container is oriented with the track and the shutter positioned below a horizontal plane that includes the rotational axis and a discharge passageway through which developer is discharged to outside of the developer supply container is formed at the bottommost side of the developer supply container, the track is positioned between the horizontal plane and a shutter in a direction perpendicular to the horizontal plane, the second position is closer to the horizontal plane than the first position is to the horizontal plane, the surface faces upward, and the track extends such that a plane perpendicular to the rotational axis and passing through the track passes through the end of the discharge passageway.Type: GrantFiled: December 6, 2022Date of Patent: February 20, 2024Assignee: Canon Kabushiki KaishaInventors: Manabu Jimba, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa
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Patent number: 11860569Abstract: A developer supply container includes a developer accommodating body and a developer discharging body in fluid communication with the developer accommodating body. A track is positioned at a side of the developer discharging body, with the track including a surface that extends from a first position to a second position. When the developer supply container is oriented with the track positioned below a horizontal plane that includes a rotational axis of the developer accommodating body and a discharge passageway through which developer is discharged to outside of the developer supply container is formed at the bottommost side of the developer supply container, the second position is closer to the horizontal plane than the first position is to the horizontal plane, the surface faces upward, and the track extends such that a plane perpendicular to the rotational axis and passing through the track passes through an end of the discharge passageway.Type: GrantFiled: December 6, 2022Date of Patent: January 2, 2024Assignee: Canon Kabushiki KaishaInventors: Manabu Jimba, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa
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Patent number: 11852991Abstract: A developer supply container includes a developer accommodating portion accommodating developer, and a developer discharging portion in fluid communication with the developer accommodating portion. The developer accommodating portion is rotatable about a rotational axis and relative to the developer discharging portion, with the developer discharging portion being provided with a developer discharge opening at a bottommost side of the developer discharging portion and configured to permit discharging the developer to outside of the developer supply container. A lifter is linearly liftable relative to the developer discharging portion in a direction perpendicular to a horizontal plane that includes the rotational axis when the developer supply container is oriented with the developer discharge opening positioned at a bottom side of the developer discharging portion.Type: GrantFiled: October 25, 2022Date of Patent: December 26, 2023Assignee: Canon Kabushiki KaishaInventors: Yohei Gamo, Tsukasa Mine, Akihito Kamura, Koji Katayama, Masato Yamaoka, Yusuke Oizumi, Manabu Jimba, Ayatomo Okino, Nobuyuki Yomoda, Keisuke Isobe
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Publication number: 20230408967Abstract: A developer supply container is detachably mountable to a developer receiving apparatus, the developer receiving apparatus including a developer receiving portion provided with a receiving port for receiving a developer and including a portion-to-be-engaged of displacing integrally with the developer receiving portion. The developer supply container includes a discharging portion provided with a shutter opening for discharging the developer accommodated in the developer accommodating portion, and an engaging portion. The engaging portion engages with the portion-to-be-engaged with a mounting operation of the developer supply container to displace the developer receiving portion so as to bring the receiving opening into fluid communication with the shutter opening. The engaging portion includes a curved portion having an angle relative to a mounting direction of the developer supply container, the angle decreasing with approach toward an upstream side in the mounting direction.Type: ApplicationFiled: September 1, 2023Publication date: December 21, 2023Inventors: Yohei Gamo, Daijiro Kato, Yusuke Oizumi, Ayatomo Okino
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Patent number: 11841642Abstract: A developer supply container 1 detachably mountable to a developer supplying apparatus 201 includes a developer accommodating portion 2 capable of accommodating a developer, a discharge opening 4a for discharging the developer accommodated in the developer accommodating portion 2 toward the developer supplying apparatus 201, a pump portion 3a for effecting a discharging operation through the discharge opening 4a, a communicating portion 4d provided at a position contacting the discharge opening 4a and capable of storing a constant amount of the developer, and a regulating portion 7 capable of taking a developer flow regulating state in which the flow of the developer into the communicating portion 4d and a developer flow non-regulating state in which the entering of the developer is not regulated, the regulating portion 7 taking the developer flow regulating state in a discharging operation of the pump portion 3a, wherein the regulating portion 7 is provided with an air flow path 7g for communicating betweenType: GrantFiled: January 10, 2022Date of Patent: December 12, 2023Assignee: Canon Kabushiki KaishaInventors: Nobuyuki Yomoda, Ayatomo Okino, Manabu Jimba, Akihito Kamura, Takashi Enokuchi
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Patent number: 11841641Abstract: Provided is a developer replenishing container including: a developer containing part capable of containing a developer; a discharge port through which the developer contained in the developer containing part is discharged; a conveyance part conveying the developer in the developer containing part by rotating; and a displacement part displaceable in conjunction with rotation of the conveyance part in the developer in a vicinity of the discharge port, and including a moving member capable of reciprocating in conjunction with the rotation of the conveyance part and a biasing member which biases the moving member and which is expandable according to movement of the moving member.Type: GrantFiled: January 4, 2022Date of Patent: December 12, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Nobuyuki Yomoda, Yusuke Yamada, Ayatomo Okino, Manabu Jimba, Akihito Kamura
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Patent number: 11782382Abstract: A developer supply container includes a developer accommodating body configured to accommodate developer, with the developer accommodating portion being provided with a gear portion. The developer supply container also includes a developer discharging body in fluid communication with the developer accommodating body, with the developer accommodating body being rotatable about a rotational axis thereof relative to the developer discharging body. A track is provided at each of opposite sides of the developer discharging body, each track including a fixed portion fixed on the discharging body and an elastically deformable portion extending from the fixed portion to a free end portion that is displaceable from the discharging body such that the elastically deformable portion intersects a horizontal plane that is parallel to the rotational axis.Type: GrantFiled: September 22, 2022Date of Patent: October 10, 2023Assignee: Canon Kabushiki KaishaInventors: Yohei Gamo, Daijiro Kato, Yusuke Oizumi, Ayatomo Okino
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Patent number: 11762314Abstract: A developing device includes a detachably mounted developer supply container configured to supply a developer with compressed air. A developer storage container includes a first opening portion through which the developer is supplied from the developer supply container to the developer storage container with the compressed air, a filter provided on a wall constituting the developer storage container to permit passage of air and restrict passage of the developer, and a stirring member to stir the developer. The developer storage container further includes a second opening portion through which the developer is supplied to a developing portion provided with a developing member. The filter is disposed between the first opening portion and the second opening portion in a rotational axis direction of the stirring member and disposed closer to the second opening portion.Type: GrantFiled: March 18, 2021Date of Patent: September 19, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Ayatomo Okino, Toshiaki Nagashima, Katsuya Murakami, Fumio Tazawa, Yusuke Yamada
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Publication number: 20230244155Abstract: In the case that a developer supply container is provided with a feeding portion for feeding a developer by receiving a rotational force and a pump portion for discharging the developer by reciprocation, and the rotational force and a reciprocating force are received from a main assembly side of an image forming apparatus, there is a liability that a driving connection is not properly established between a portion of the developer supply container for receiving the reciprocating force and a portion of the main assembly side for applying the reciprocating force. The developer supply container is provided with a drive converting mechanism for converting the rotational force received from the main assembly side to a force for operating a volume changing type pump.Type: ApplicationFiled: April 11, 2023Publication date: August 3, 2023Inventors: Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa, Ayatomo Okino, Yusuke Yamada
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Patent number: 11687027Abstract: A developer supply container includes a developer accommodating body configured to contain developer and a developer discharging body in fluid communication with the developer accommodating body. The developer discharging body has a discharge opening configured to form at least a part of a discharge passageway through which developer may be discharged to outside of the developer supply container. A track is positioned at a side of the developer discharging body. A cover is attached to the developer discharging body, with the cover being configured to cover the developer discharging body and the track, with the cover including a front wall that crosses a rotational axis of the developer accommodating body, and with the front wall being provided with a slit.Type: GrantFiled: August 10, 2021Date of Patent: June 27, 2023Assignee: Canon Kabushiki KaishaInventors: Manabu Jimba, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa
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Patent number: 11656560Abstract: A toner cartridge includes a first chamber configured to accommodate toner and a second chamber provided with an opening that is configured to discharge the toner. A feeding portion is configured to feed the toner from the first chamber toward the second chamber. An air flow generating portion is configured to generate an air flow and blow the air flow into the second chamber to thereby discharge the toner to outside of the cartridge through the opening. A rotatable coupling including a projection is configured to receive a rotational force from outside of the cartridge, the rotatable coupling being operatively connected to the feeding portion and the air flow generating portion so as to drive the feeding portion and the air flow generating portion with rotation of the rotatable coupling.Type: GrantFiled: October 20, 2021Date of Patent: May 23, 2023Assignee: Canon Kabushiki KaishaInventors: Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa, Ayatomo Okino, Yusuke Yamada
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Publication number: 20230144789Abstract: A developer supply container 1 is detachably mountable to a developer receiving apparatus including a developer receiving portion 11 provided with a receiving port 11a for receiving a developer, a portion-to-be-engaged 11b a displaceable integrally with the developer receiving portion 11. The developer supply container 1 includes an engaging portion 30 and a discharging portion provided with a shutter opening 4j for discharging the developer accommodated in a developer accommodating portion. The engaging portion 30 is provided at only one side with respect to a predetermined direction crossing with a mounting direction of the developer supply container 1 in the crossing with a displacing direction of the developer receiving portion 11. The engaging portion 30 engages with the portion-to-be-engaged 11b with a mounting operation of the developer supply container 1 to bring the receiving port 11a in the communication with the shutter opening 4j.Type: ApplicationFiled: January 6, 2023Publication date: May 11, 2023Inventors: Katsuya Murakami, Ayatomo Okino
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Publication number: 20230115524Abstract: A developer supply includes a developer accommodating body and a developer discharging body. A track is positioned at a side of the developer discharging body, with the track including a surface that extends from a first position to a second position. When the developer supply container is oriented with the track and the shutter positioned below a horizontal plane that includes the rotational axis and a discharge passageway through which developer is discharged to outside of the developer supply container is formed at the bottommost side of the developer supply container, the track is positioned between the horizontal plane and a shutter in a direction perpendicular to the horizontal plane, the second position is closer to the horizontal plane than the first position is to the horizontal plane, the surface faces upward, and the track extends such that a plane perpendicular to the rotational axis and passing through the track passes through the end of the discharge passageway.Type: ApplicationFiled: December 6, 2022Publication date: April 13, 2023Inventors: Manabu Jimba, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa
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Publication number: 20230097912Abstract: A developer supply container includes a developer accommodating body and a developer discharging body in fluid communication with the developer accommodating body. A track is positioned at a side of the developer discharging body, with the track including a surface that extends from a first position to a second position. When the developer supply container is oriented with the track positioned below a horizontal plane that includes a rotational axis of the developer accommodating body and a discharge passageway through which developer is discharged to outside of the developer supply container is formed at the bottommost side of the developer supply container, the second position is closer to the horizontal plane than the first position is to the horizontal plane, the surface faces upward, and the track extends such that a plane perpendicular to the rotational axis and passing through the track passes through an end of the discharge passageway.Type: ApplicationFiled: December 6, 2022Publication date: March 30, 2023Inventors: Manabu Jimba, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa
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Patent number: 11599042Abstract: With a mounting operation of a supply container, a supported portion 11b of a developer receiving portion 11 is supported by a receipt supporting portion 30c of a lifting portion 30. With further mounting operation, a shutter sliding portion 30b of the lifting portion 30 slides on a shutter inclined portion 4f of a shutter 4. The developer receiving portion 11 is displaced so as to bring a receiving opening into communication with a discharge opening by operating, using the shutter 4, the lifting portion 30 supporting the supported portion 11b of the developer receiving portion 11. By this, a load required for movement of the developer receiving portion 11 is reduced to achieve smooth mounting of the supply container.Type: GrantFiled: October 24, 2022Date of Patent: March 7, 2023Assignee: Canon Kabushiki KaishaInventors: Yohei Gamo, Tsukasa Mine, Akihito Kamura, Koji Katayama, Masato Yamaoka, Yusuke Oizumi, Manabu Jimba, Ayatomo Okino, Nobuyuki Yomoda, Keisuke Isobe