Patents by Inventor Hiroaki Kitagawa
Hiroaki Kitagawa 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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Patent number: 11567425Abstract: The developing device includes a development container, a developer carrier, and a cover member. The development container has an opening. The developer carrier has a development area. The cover member, including a front face portion, an upper face portion, a lower face portion, a side face portion, and reinforcing ribs, is removably fitted to the development container such that the developer carrier is covered with at least the front face portion and the upper face portion. With the cover member fitted to the development container, a gap is formed between each reinforcing rib and the development container.Type: GrantFiled: March 22, 2022Date of Patent: January 31, 2023Assignee: KYOCERA Document Solutions Inc.Inventors: Takuya Kawasumi, Masakazu Uehara, Rei Yamagishi, Hiroaki Kitagawa
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Patent number: 11556078Abstract: A developing device includes a development casing, a developer carrying member, a regulating blade, a pair of pressing members, and a blade seal member. The development casing has an opening part. The developer carrying member has a developing area. The blade seal member includes a first layer material and a second layer material. The development casing has facing surfaces. The second layer material has positioning protrusions protruding from the first layer material in a rotation axis direction at positions inside both ends of the first layer material in the rotation axis direction, so as to contact the facing surfaces and be positioned in the rotation axis direction. When the second layer material is positioned in the rotation axis direction, the first layer material is pressed in contact with the pressing members in the rotation axis direction.Type: GrantFiled: March 21, 2022Date of Patent: January 17, 2023Assignee: KYOCERA Document Solutions Inc.Inventors: Hiroaki Kitagawa, Rei Yamagishi, Takuya Kawasumi
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Patent number: 11550238Abstract: A developing device includes a development casing, a developer carrying member, and a regulating blade. The development casing has an opening part. The developer carrying member has a developing area. The development casing has a blade facing part. The regulating blade includes a fixed part and a regulating part, and a space between the regulating part and the blade facing part is larger than a space between the fixed part and the blade facing part. The developing device further includes a blade seal member. The blade seal member is disposed between the regulating blade and the blade facing part, and is glued to an upstream side surface of the regulating part in the rotation direction, so as to seal a gap between the regulating blade and the blade facing part.Type: GrantFiled: March 22, 2022Date of Patent: January 10, 2023Assignee: KYOCERA Document Solutions Inc.Inventors: Hiroaki Kitagawa, Rei Yamagishi
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Publication number: 20220413416Abstract: In a toner supply device (40), a horizontal transport portion (42) is connected to a vertical transport portion (41). A stirring transport screw (25) includes a rotary shaft (25a) and a supply blade (25c), and transports toner in the horizontal transport portion (42) toward the rotary shaft (25a). A drive input gear (50) inputs a rotational drive force to the rotary shaft (25a). A crank shaft (47) has a central shaft (47a) connected to the drive input gear (50) and is rotated at a lower speed than the rotary shaft (25a), and an eccentric shaft (47c) extending in parallel to the central shaft (47a) from a position radially outward from the central shaft. One end of the toner loosening member (45) is connected to the eccentric shaft (47c), and the toner loosening member (45) is reciprocatingly moved in the vertical direction in the vertical transport portion (41) due to a circumferential movement operation of the eccentric shaft (47c) centered on the central shaft (47a).Type: ApplicationFiled: April 14, 2021Publication date: December 29, 2022Applicant: KYOCERA Document Solutions Inc.Inventors: Hiroaki KITAGAWA, Koichi IMANAKA
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Patent number: 11487220Abstract: A developing device includes a developing container, a developer carrier, a seal member, and a pair of pressing members. The developing container has an opening. The seal member includes a contact end part that makes contact with an entire region of an outer circumferential surface of the developer carrier in its rotary shaft direction and is one of end edges of the seal member in a longitudinal direction thereof on a side near the developer carrier and an interposed end part that is interposed between each of both end parts of the developer carder and a corresponding one of the pressing members and is an end edge of the seal member orthogonal to the contact end part, and a chamfered shape is formed at a corner between the contact end part and the interposed end part.Type: GrantFiled: March 23, 2022Date of Patent: November 1, 2022Assignee: KYOCERA Document Solutions Inc.Inventors: Takuya Kawasumi, Masakazu Uehara, Rei Yamagishi, Hiroaki Kitagawa, Seia Fujii
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Publication number: 20220342343Abstract: A developing device includes a developing container, a developer carrier, a seal member, and a pair of pressing members. The developing container has an opening. The seal member includes a contact end part that makes contact with an entire region of an outer circumferential surface of the developer carrier in its rotary shaft direction and is one of end edges of the seal member in a longitudinal direction thereof on a side near the developer carrier and an interposed end part that is interposed between each of both end parts of the developer carder and a corresponding one of the pressing members and is an end edge of the seal member orthogonal to the contact end part, and a chamfered shape is formed at a corner between the contact end part and the interposed end part.Type: ApplicationFiled: March 23, 2022Publication date: October 27, 2022Applicant: KYOCERA Document Solutions Inc.Inventors: Takuya KAWASUMI, Masakazu UEHARA, Rei YAMAGISHI, Hiroaki KITAGAWA, Seia FUJII
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Publication number: 20220342340Abstract: The developing device includes a development container, a developer carrier, and a cover member. The development container has an opening. The developer carrier has a development area. The cover member, including a front face portion, an upper face portion, a lower face portion, a side face portion, and reinforcing ribs, is removably fitted to the development container such that the developer carrier is covered with at least the front face portion and the upper face portion. With the cover member fitted to the development container, a gap is formed between each reinforcing rib and the development container.Type: ApplicationFiled: March 22, 2022Publication date: October 27, 2022Applicant: KYOCERA Document Solutions Inc.Inventors: Takuya KAWASUMI, Masakazu UEHARA, Rei YAMAGISHI, Hiroaki KITAGAWA
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Publication number: 20220341528Abstract: An electrofusion joint includes a main body and a heating wire. The main body is configured to be connected to a first resin pipe and a second resin pipe containing a thermoplastic resin. The heating wire is disposed in the main body. The heating wire includes a conducting wire and an insulating cover film that is provided around the conducting wire. The insulating cover film has a melting point of at least 230 degrees.Type: ApplicationFiled: September 28, 2020Publication date: October 27, 2022Inventors: Ayaka KITAGAWA, Hiroaki KONDOU, Kouzou MAKINO
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Publication number: 20220342341Abstract: A developing device includes a development casing, a developer carrying member, a regulating blade, a pair of pressing members, and a blade seal member. The development casing has an opening part. The developer carrying member has a developing area. The blade seal member includes a first layer material and a second layer material. The development casing has facing surfaces. The second layer material has positioning protrusions protruding from the first layer material in a rotation axis direction at positions inside both ends of the first layer material in the rotation axis direction, so as to contact the facing surfaces and be positioned in the rotation axis direction. When the second layer material is positioned in the rotation axis direction, the first layer material is pressed in contact with the pressing members in the rotation axis direction.Type: ApplicationFiled: March 21, 2022Publication date: October 27, 2022Applicant: KYOCERA Document Solutions Inc.Inventors: Hiroaki KITAGAWA, Rei YAMAGISHI, Takuya KAWASUMI
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Publication number: 20220342349Abstract: The developing device includes a development container, a developer carrier, and a restricting blade. The development container has an opening. The developer carrier has a development area. The development container includes a pair of side frames, and a pair of side wall portions. In each of the pair of side wall portions, a seal member insertion hole extending through in the rotation-axial direction is formed at a position facing an end edge of the restricting blade in the rotation-axial direction. The developing device includes a blade-side side seal inserted in the seal member insertion hole to block a gap between the restricting blade and the side wall portion.Type: ApplicationFiled: March 21, 2022Publication date: October 27, 2022Applicant: KYOCERA Document Solutions Inc.Inventors: Seia FUJII, Masakazu UEHARA, Rei YAMAGISHI, Hiroaki KITAGAWA, Takuya KAWASUMI
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Publication number: 20220342342Abstract: A developing device includes a development casing, a developer carrying member, and a regulating blade. The development casing has an opening part. The developer carrying member has a developing area. The development casing has a blade facing part. The regulating blade includes a fixed part and a regulating part, and a space between the regulating part and the blade facing part is larger than a space between the fixed part and the blade facing part. The developing device further includes a blade seal member. The blade seal member is disposed between the regulating blade and the blade facing part, and is glued to an upstream side surface of the regulating part in the rotation direction, so as to seal a gap between the regulating blade and the blade facing part.Type: ApplicationFiled: March 22, 2022Publication date: October 27, 2022Applicant: KYOCERA Document Solutions Inc.Inventors: Hiroaki KITAGAWA, Rei YAMAGISHI
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Patent number: 11437191Abstract: A ceramic electronic component includes a ceramic body including an internal electrode therein and at least two external electrodes provided on an outer surface of the ceramic body. The external electrode includes an underlying electrode layer provided on the outer surface of the ceramic body, a first Ni plated layer provided on an outer side of the underlying electrode layer, and a second Ni plated layer provided on an outer side of the first Ni plated layer. Ni oxide is present between the first Ni plated layer and the second Ni plated layer.Type: GrantFiled: October 13, 2020Date of Patent: September 6, 2022Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Kenichi Hayashi, Takiji Kitagawa, Hiroaki Hata, Yuji Muranaka
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Patent number: 11435678Abstract: A developing device includes a developing container, a developer carrier, a seal member, and a pair of pressing members. The developing container has an opening. The seal member includes a contact end part, a first blocking part, and an interposed end part. Each of the pressing members has a pressing surface in which a cutout recess is formed. The developing container includes a second blocking part that is adjacent to each end part of the first blocking part in a rotary shaft direction and protrudes upward. The interposed end part is located at such a position as to overlap the cutout recess with respect to a circumferential direction, and the second blocking part is located at such a position as to overlap the cutout recess with respect to the rotary shaft direction.Type: GrantFiled: March 23, 2022Date of Patent: September 6, 2022Assignee: KYOCERA Document Solutions Inc.Inventors: Masakazu Uehara, Takuya Kawasumi, Rei Yamagishi, Hiroaki Kitagawa, Seia Fujii
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Patent number: 11422499Abstract: A first connector is provided in a main body portion. A connector support mechanism is provided in an attachment unit and supports a second connector so that the second connector can be displaced along a second direction that intersects a first direction. A unit guide portion guides the attachment unit between a connection position and a position that is more separated from a main body portion than the connection position is, along the first direction, and further guides the attachment unit between the connection position and an attachment position. The connection position is a position at which the attachment unit is located when the second connector is connected to the first connector. The connector support mechanism allows the attachment unit to move between the connection position and the attachment position.Type: GrantFiled: March 11, 2021Date of Patent: August 23, 2022Assignee: KYOCERA Document Solutions Inc.Inventor: Hiroaki Kitagawa
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Patent number: 11143984Abstract: A toner conveying device conveys toner supplied from outside. The toner conveying device includes a housing, a plurality of toner acceptors, a plurality of legs, a bracket, and a vibration generator. The housing has a toner conveyance path inside. The toner acceptors are provided on the housing to accept toner supplied from outside and guide the toner to the toner conveyance path. The legs are fixed near the toner acceptors on the housing, respectively, and protrude outward from a side surface of the housing. The bracket is supported by each of the legs. The vibration generator is attached to the bracket.Type: GrantFiled: October 7, 2020Date of Patent: October 12, 2021Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Teruhiko Nagashima, Hiroaki Kitagawa
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Publication number: 20210286315Abstract: A first connector is provided in a main body portion. A connector support mechanism is provided in an attachment unit and supports a second connector so that the second connector can be displaced along a second direction that intersects a first direction. A unit guide portion guides the attachment unit between a connection position and a position that is more separated from a main body portion than the connection position is, along the first direction, and further guides the attachment unit between the connection position and an attachment position. The connection position is a position at which the attachment unit is located when the second connector is connected to the first connector. The connector support mechanism allows the attachment unit to move between the connection position and the attachment position.Type: ApplicationFiled: March 11, 2021Publication date: September 16, 2021Inventor: Hiroaki Kitagawa
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Publication number: 20210124287Abstract: A toner conveying device conveys toner supplied from outside. The toner conveying device includes a housing, a plurality of toner acceptors, a plurality of legs, a bracket, and a vibration generator. The housing has a toner conveyance path inside. The toner acceptors are provided on the housing to accept toner supplied from outside and guide the toner to the toner conveyance path. The legs are fixed near the toner acceptors on the housing, respectively, and protrude outward from a side surface of the housing. The bracket is supported by each of the legs. The vibration generator is attached to the bracket.Type: ApplicationFiled: October 7, 2020Publication date: April 29, 2021Inventors: Teruhiko NAGASHIMA, Hiroaki KITAGAWA
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Publication number: 20210016331Abstract: A substrate processing technique including a process of forming a liquid film on an upper surface of a substrate and excellently solidifying the liquid film is provided. A substrate processing method includes an atmosphere control step of supplying a drying gas to a front surface of a substrate on which a pattern has been formed and to which a liquid has adhered and making a dry atmosphere around the front surface of the substrate, a to-be-solidified liquid supplying step of supplying a to-be-solidified liquid to the front surface of the substrate, and a solidification step of forming a solidified mass by solidifying a liquid film of the to-be-solidified liquid. The atmosphere control step is started before the liquid film of the to-be-solidified liquid supplied to the front surface of the substrate in the to-be-solidified liquid supplying step is formed.Type: ApplicationFiled: February 7, 2019Publication date: January 21, 2021Inventors: Dai UEDA, Yuta SASAKI, Yosuke HANAWA, Hiroaki KITAGAWA
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Patent number: 10815134Abstract: The water treatment device according to the present disclosure includes: an electrochemical cell having electrodes including a positive electrode and a negative electrode, and a bipolar membrane; a tank; a power supply configured to apply power to the electrodes; a water circulation flow path having at least the tank and the electrochemical cell and through which water circulates; a circulation device configured to circulate water in the water circulation flow path; a raw water supply path configured to supply raw water to the water circulation flow path; and a control device. In performing water softening treatment in the electrochemical cell where power is applied to the electrodes so as to remove ions from raw water and soft water is produced, the control device drives the circulation device so as to circulate water in the water circulation flow path.Type: GrantFiled: April 24, 2017Date of Patent: October 27, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Shigeru Sasabe, Tomoko Tani, Noriyoshi Ueya, Kazuo Imai, Hiroaki Kitagawa
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Patent number: 10619894Abstract: A substrate processing apparatus comprises: a first solidifier and a second solidifier. The first solidifier solidifies a liquid to be solidified adhering to a front surface of a substrate by supplying a liquid refrigerant to a back surface of the substrate at a first position. The second solidifier solidifies the liquid to be solidified by at least one of a first cooling mechanism and a second cooling mechanism. The first cooling mechanism cools the liquid to be solidified by supplying a gas refrigerant toward the substrate at a second position more distant from a center of rotation of the substrate in a radial direction than the first position. The second cooling mechanism cools the liquid to be solidified by bringing a processing surface into contact with the liquid to be solidified at the second position.Type: GrantFiled: December 29, 2016Date of Patent: April 14, 2020Assignee: SCREEN Holdings Co., Ltd.Inventors: Hiroaki Kitagawa, Dai Ueda, Katsuhiko Miya