Patents by Inventor Hideki Kanada
Hideki Kanada 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: 11747758Abstract: A fixing device includes a rotating body, an endless belt, a base material of the endless belt being made of a heat-resistant resin having a glass transition temperature of 140° C. or more, a heater configured to heat at least one of the rotating body and the endless belt, a sliding sheet contacting an inner circumferential surface of the endless belt, a base material of the sliding sheet being made of a heat-resistant resin having a glass transition temperature of 140° C. or more, a pressure pad, the endless belt and the sliding sheet being interposed between the pressure pad and the rotating body, and grease provided between the endless belt and the sliding sheet. The grease includes a base oil made of a fluorine oil and a thickener made of a solid lubricant containing fluorine. The consistency of the grease is 330 to 385 at 25° C.Type: GrantFiled: December 2, 2022Date of Patent: September 5, 2023Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tokifumi Tanaka, Hideki Kanada, Mingguang Zhang
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Publication number: 20230097934Abstract: A fixing device includes a rotating body, an endless belt, a base material of the endless belt being made of a heat-resistant resin having a glass transition temperature of 140° C. or more, a heater configured to heat at least one of the rotating body and the endless belt, a sliding sheet contacting an inner circumferential surface of the endless belt, a base material of the sliding sheet being made of a heat-resistant resin having a glass transition temperature of 140° C. or more, a pressure pad, the endless belt and the sliding sheet being interposed between the pressure pad and the rotating body, and grease provided between the endless belt and the sliding sheet. The grease includes a base oil made of a fluorine oil and a thickener made of a solid lubricant containing fluorine. The consistency of the grease is 330 to 385 at 25° C.Type: ApplicationFiled: December 2, 2022Publication date: March 30, 2023Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tokifumi Tanaka, Hideki Kanada, Mingguang Zhang
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Patent number: 11537074Abstract: A fixing device includes a rotating body, an endless belt, a base material of the endless belt being made of a heat-resistant resin having a glass transition temperature of 140° C. or more, a heater configured to heat at least one of the rotating body and the endless belt, a sliding sheet contacting an inner circumferential surface of the endless belt, a base material of the sliding sheet being made of a heat-resistant resin having a glass transition temperature of 140° C. or more, a pressure pad, the endless belt and the sliding sheet being interposed between the pressure pad and the rotating body, and grease provided between the endless belt and the sliding sheet. The grease includes a base oil made of a fluorine oil and a thickener made of a solid lubricant containing fluorine. The consistency of the grease is 330 to 385 at 25° C.Type: GrantFiled: December 1, 2021Date of Patent: December 27, 2022Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tokifumi Tanaka, Hideki Kanada, Mingguang Zhang
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Publication number: 20220179345Abstract: A fixing device includes a rotating body, an endless belt, a base material of the endless belt being made of a heat-resistant resin having a glass transition temperature of 140° C. or more, a heater configured to heat at least one of the rotating body and the endless belt, a sliding sheet contacting an inner circumferential surface of the endless belt, a base material of the sliding sheet being made of a heat-resistant resin having a glass transition temperature of 140° C. or more, a pressure pad, the endless belt and the sliding sheet being interposed between the pressure pad and the rotating body, and grease provided between the endless belt and the sliding sheet. The grease includes a base oil made of a fluorine oil and a thickener made of a solid lubricant containing fluorine. The consistency of the grease is 330 to 385 at 25° C.Type: ApplicationFiled: December 1, 2021Publication date: June 9, 2022Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tokifumi TANAKA, Hideki KANADA, Mingguang ZHANG
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Patent number: 11156948Abstract: A fuser has a heater, a heat roller, an endless belt, a pressure pad, and a slidable sheet. The pressure pad forms a nipping portion to nip the endless belt between the pressure pad and the heat roller. The slidable sheet is interposed between an inner circumferential surface of the endless belt and the pressure pad in the nipping portion. The slidable sheet includes a plurality of dents and a plurality of projections on a surface contacting the inner circumferential surface of the endless belt. The plurality of dents are arranged in a first part of the surface of the slidable sheet. The first part is located in a range corresponding to the nipping portion. The plurality of projections are arranged in a second part of the surface of the slidable sheet. The second part is located in a range corresponding to a portion different from the nipping portion.Type: GrantFiled: January 11, 2021Date of Patent: October 26, 2021Assignee: Brother Kogyo Kabushiki KaishaInventors: Tokifumi Tanaka, Hideki Kanada
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Publication number: 20210132531Abstract: A fuser has a heater, a heat roller, an endless belt, a pressure pad, and a slidable sheet. The pressure pad forms a nipping portion to nip the endless belt between the pressure pad and the heat roller. The slidable sheet is interposed between an inner circumferential surface of the endless belt and the pressure pad in the nipping portion. The slidable sheet includes a plurality of dents and a plurality of projections on a surface contacting the inner circumferential surface of the endless belt. The plurality of dents are arranged in a first part of the surface of the slidable sheet. The first part is located in a range corresponding to the nipping portion. The plurality of projections are arranged in a second part of the surface of the slidable sheet. The second part is located in a range corresponding to a portion different from the nipping portion.Type: ApplicationFiled: January 11, 2021Publication date: May 6, 2021Inventors: Tokifumi Tanaka, Hideki Kanada
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Patent number: 10901353Abstract: A fuser has a heater, a heat roller, an endless belt, a pressure pad, and a slidable sheet. The pressure pad forms a nipping portion to nip the endless belt between the pressure pad and the heat roller. The slidable sheet is interposed between an inner circumferential surface of the endless belt and the pressure pad in the nipping portion. The slidable sheet includes a plurality of dents and a plurality of projections on a surface contacting the inner circumferential surface of the endless belt. The plurality of dents are arranged in a first part of the surface of the slidable sheet. The first part is located in a range corresponding to the nipping portion. The plurality of projections are arranged in a second part of the surface of the slidable sheet. The second part is located in a range corresponding to a portion different from the nipping portion.Type: GrantFiled: September 27, 2019Date of Patent: January 26, 2021Assignee: Brother Kogyo Kabushiki KaishaInventors: Tokifumi Tanaka, Hideki Kanada
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Patent number: 10795297Abstract: A fuser may include a rotatable member, a belt, a pressure member, and a sliding member. The belt and rotatable member may form a nip portion. The sliding member may be sandwiched between an inner peripheral surface of the belt and the pressure member. The sliding member may include a front surface, which faces the inner peripheral surface of the belt. The front surface may include a plurality of dimples designed to catch lubricant that moves along ridges between the dimples.Type: GrantFiled: October 14, 2019Date of Patent: October 6, 2020Assignee: Brother Kogyo Kabushiki KaishaInventors: Tokifumi Tanaka, Hideki Kanada
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Patent number: 10795296Abstract: A fuser includes a rotatable member, a belt, a pressure member, and a sliding member. The pressure member sandwiches the belt together with the rotatable member to form a nip portion. The sliding member is sandwiched between an inner peripheral surface of the belt and the pressure member. The sliding member includes a front surface, which faces the inner peripheral surface of the belt. The front surface includes a plurality of first dimples and a plurality of second dimples. The first dimples are arranged in a first zone, which corresponds to the nip portion. The second dimples are arranged in a second zone, which corresponds to a portion of the sliding member outside the nip portion. Each of the first dimples is of a shape that can release lubricant more easily than each of the second dimples.Type: GrantFiled: September 21, 2018Date of Patent: October 6, 2020Assignee: Brother Kogyo Kabushiki KaishaInventors: Tokifumi Tanaka, Hideki Kanada
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Publication number: 20200103798Abstract: A fuser has a heater, a heat roller, an endless belt, a pressure pad, and a slidable sheet. The pressure pad forms a nipping portion to nip the endless belt between the pressure pad and the heat roller. The slidable sheet is interposed between an inner circumferential surface of the endless belt and the pressure pad in the nipping portion. The slidable sheet includes a plurality of dents and a plurality of projections on a surface contacting the inner circumferential surface of the endless belt. The plurality of dents are arranged in a first part of the surface of the slidable sheet. The first part is located in a range corresponding to the nipping portion. The plurality of projections are arranged in a second part of the surface of the slidable sheet. The second part is located in a range corresponding to a portion different from the nipping portion.Type: ApplicationFiled: September 27, 2019Publication date: April 2, 2020Inventors: Tokifumi Tanaka, Hideki Kanada
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Publication number: 20200041941Abstract: A fuser may include a rotatable member, a belt, a pressure member, and a sliding member. The belt and rotatable member may form a nip portion. The sliding member may be sandwiched between an inner peripheral surface of the belt and the pressure member. The sliding member may include a front surface, which faces the inner peripheral surface of the belt. The front surface may include a plurality of dimples designed to catch lubricant that moves along ridges between the dimples.Type: ApplicationFiled: October 14, 2019Publication date: February 6, 2020Inventors: Tokifumi Tanaka, Hideki Kanada
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Patent number: 10459384Abstract: A fuser may include a rotatable member, a belt, a pressure member, and a sliding member. The belt and rotatable member may form a nip portion. The sliding member may be sandwiched between an inner peripheral surface of the belt and the pressure member. The sliding member may include a front surface, which faces the inner peripheral surface of the belt. The front surface may include a plurality of dimples designed to catch lubricant that moves along ridges between the dimples.Type: GrantFiled: September 21, 2018Date of Patent: October 29, 2019Assignee: Brother Kogyo Kabushiki KaishaInventors: Tokifumi Tanaka, Hideki Kanada
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Publication number: 20190243293Abstract: A fuser includes a rotatable member, a belt, a pressure member, and a sliding member. The pressure member sandwiches the belt together with the rotatable member to form a nip portion. The sliding member is sandwiched between an inner peripheral surface of the belt and the pressure member. The sliding member includes a front surface, which faces the inner peripheral surface of the belt. The front surface includes a plurality of first dimples and a plurality of second dimples. The first dimples are arranged in a zone corresponding to a first part of the nip portion. The second dimples are arranged in a zone corresponding to a second part of the nip portion, to which a pressure smaller than a pressure appled in the first part is applied. Each of the first dimples is of a shape that can release lubricant more easily than each of the second dimples.Type: ApplicationFiled: September 21, 2018Publication date: August 8, 2019Inventors: Tokifumi Tanaka, Hideki Kanada
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Publication number: 20190243294Abstract: A fuser includes a rotatable member, a belt, a pressure member, and a sliding member. The pressure member sandwiches the belt together with the rotatable member to form a nip portion. The sliding member is sandwiched between an inner peripheral surface of the belt and the pressure member. The sliding member includes a front surface, which faces the inner peripheral surface of the belt. The front surface includes a plurality of first dimples and a plurality of second dimples. The first dimples are arranged in a first zone, which corresponds to the nip portion. The second dimples are arranged in a second zone, which corresponds to a portion of the sliding member outside the nip portion. Each of the first dimples is of a shape that can release lubricant more easily than each of the second dimples.Type: ApplicationFiled: September 21, 2018Publication date: August 8, 2019Inventors: Tokifumi Tanaka, Hideki Kanada
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Publication number: 20190235426Abstract: A fuser may include a rotatable member, a belt, a pressure member, and a sliding member. The belt and rotatable member may form a nip portion. The sliding member may be sandwiched between an inner peripheral surface of the belt and the pressure member. The sliding member may include a front surface, which faces the inner peripheral surface of the belt. The front surface may include a plurality of dimples designed to catch lubricant that moves along ridges between the dimples.Type: ApplicationFiled: September 21, 2018Publication date: August 1, 2019Inventors: Tokifumi Tanaka, Hideki Kanada
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Patent number: 10365596Abstract: A fuser includes a rotatable member, a belt, a pressure member, and a sliding member. The pressure member sandwiches the belt together with the rotatable member to form a nip portion. The sliding member is sandwiched between an inner peripheral surface of the belt and the pressure member. The sliding member includes a front surface, which faces the inner peripheral surface of the belt. The front surface includes a plurality of first dimples and a plurality of second dimples. The first dimples are arranged in a zone corresponding to a first part of the nip portion. The second dimples are arranged in a zone corresponding to a second part of the nip portion, to which a pressure smaller than a pressure applied in the first part is applied. Each of the first dimples is of a shape that can release lubricant more easily than each of the second dimples.Type: GrantFiled: September 21, 2018Date of Patent: July 30, 2019Assignee: Brother Kogyo Kabushiki KaishaInventors: Tokifumi Tanaka, Hideki Kanada
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Patent number: 9972476Abstract: A film forming device includes: a microwave supplying unit configured to supply microwaves for generating plasma along a treatment surface of a conductive workpiece; a negative voltage applying unit configured to apply to the workpiece a negative bias voltage for expanding a sheath layer thickness along the treatment surface of the workpiece, and a controller configured to control the microwave supplying unit and the negative voltage applying unit, wherein the microwave supplying unit has a microwave transmitting window configured to propagate the supplied microwaves to the expanded sheath layer, wherein the controller is configured to control the microwave supplying unit and the negative voltage applying unit while supplying of the microwaves so that a sheath thickness of the sheath layer changes.Type: GrantFiled: September 23, 2015Date of Patent: May 15, 2018Assignees: BROTHER KOGYO KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITYInventors: Kazunari Taki, Kentaro Shinoda, Hideki Kanada, Hiroyuki Kousaka, Yasuyuki Takaoka
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Publication number: 20160024658Abstract: A film-forming device includes: a microwave supplying unit, which supplies microwaves for generating plasma along a treatment surface of a central conductor comprising at least a conductive workpiece material; a negative voltage applying unit, which applies to the workpiece material a negative bias voltage for expanding a sheath layer along the treatment surface of the workpiece material; a microwave transmitting window, which make the microwave, which is supplied by the microwave supplying unit, propagate to the expanded sheath layer through a microwave transmitting surface thereof, and a surrounding wall, which surrounds the microwave transmitting surface of the microwave transmitting window and protrudes beyond the microwave transmitting surface in a propagation direction in which the microwaves propagate.Type: ApplicationFiled: March 17, 2014Publication date: January 28, 2016Applicant: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITYInventors: Kentaro SHINODA, Kazunari TAKI, Hideki KANADA, Hiroyuki KOUSAKA, Yasuyuki TAKAOKA
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Publication number: 20160013023Abstract: A film forming device includes: a microwave supplying unit configured to supply microwaves for generating plasma along a treatment surface of a conductive workpiece; a negative voltage applying unit configured to apply to the workpiece a negative bias voltage for expanding a sheath layer thickness along the treatment surface of the workpiece, and a controller configured to control the microwave supplying unit and the negative voltage applying unit, wherein the microwave supplying unit has a microwave transmitting window configured to propagate the supplied microwaves to the expanded sheath layer, wherein the controller is configured to control the microwave supplying unit and the negative voltage applying unit while supplying of the microwaves so that a sheath thickness of the sheath layer changesType: ApplicationFiled: September 23, 2015Publication date: January 14, 2016Applicants: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, BROTHER KOGYO KABUSHIKI KAISHAInventors: Kazunari TAKI, Kentaro SHINODA, Hideki KANADA, Hiroyuki KOUSAKA, Yasuyuki TAKAOKA
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Publication number: 20150174605Abstract: A film forming device includes: a microwave supplying unit configured to supply microwave pulses to generate plasma along a processing surface of a workpiece material; an applying unit configured to apply negative bias voltage pulses to spread a sheath layer along the processing surface of the workpiece material, and a control unit configured to control an applying timing of the negative bias voltage pulses and a supplying timing of the microwave pulses, wherein the control unit is configured to control the applying timing of the negative bias voltage pulses and the supplying timing of the microwave pulses so that a ratio of an applying time period of one negative bias voltage pulse in a supplying time period of one microwave pulse to the supplying time period of one microwave pulse is equal to or greater than 0.9.Type: ApplicationFiled: March 4, 2015Publication date: June 25, 2015Applicants: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, BROTHER KOGYO KABUSHIKI KAISHAInventors: Kentaro SHINODA, Hideki KANADA, Kazunari TAKI, Hiroyuki KOUSAKA, Yasuyuki TAKAOKA, Takashi OKAMOTO