Patents by Inventor Hidenori Takenaka
Hidenori Takenaka 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: 9505249Abstract: An inkjet recording apparatus includes a recording head, a conveyance section, a first voltage applying section, and a second power supplying section. The recording head ejects ink onto a recording sheet. The conveyance section conveys the recording sheet to a position of image forming by the recording head. The first power supplying section applies a voltage to the recording sheet upstream of the recording head in a conveyance direction of the recording sheet. The second power supplying section includes a plate member located between the recording head and the first power supplying section and applies a voltage to the plate member that is of opposite polarity to the voltage applied by the first power supplying section.Type: GrantFiled: January 13, 2016Date of Patent: November 29, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Hiroatsu Tamai, Takeshi Watanabe, Shinji Yoshinaga, Satoshi Tsunemi, Hidenori Takenaka, Jumpei Hobo, Tomohisa Soda
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Patent number: 9498978Abstract: A conveyor device includes a conveyor belt and a suction section. The conveyor belt conveys a recording medium. The suction section sucks on the recording medium via the conveyor belt. The suction section includes a guide member that supports the recording medium via the conveyor belt. The guide member has a plurality of grooves including at least one pair of grooves that are adjacent in a conveyance direction of the recording medium. Each of the grooves in the pair has an end adjacent to an end of the other groove in the pair. The adjacent ends of the respective grooves in the pair each have a portion overlapping with a portion of the adjacent end of the other groove in the pair (groove overlapping region) in a direction perpendicular to the conveyance direction.Type: GrantFiled: June 23, 2015Date of Patent: November 22, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Jumpei Hobo, Takeshi Watanabe, Hidenori Takenaka, Tomohisa Soda, Masami Fujihara
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Publication number: 20160257142Abstract: An inkjet recording apparatus includes a sheet feed section, an image forming section, a partition unit, an air inflow portion, a first sheet conveyance section, a second sheet conveyance section, and an air sucking and discharging section. The partition unit partitions an interior of an apparatus casing into a first space in which the image forming section is disposed and a second space in which the sheet feed section, the first sheet conveyance section, and the second sheet conveyance section are disposed. Air outside the apparatus casing is taken into the first space through the air inflow portion. The second sheet conveyance section includes a conveyance guide disposed downstream of the image forming section in a conveyance direction of a recording sheet. The air sucking and discharging section sucks air around the conveyance guide and discharges the air into the second space or out of the apparatus casing.Type: ApplicationFiled: March 2, 2016Publication date: September 8, 2016Applicant: KYOCERA Document Solutions Inc.Inventors: Tomohisa SODA, Hiroatsu TAMAI, Takeshi WATANABE, Jumpei HOBO, Shinji YOSHINAGA, Hidenori TAKENAKA, Satoshi TSUNEMI
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Patent number: 9427979Abstract: An inkjet recording apparatus includes a recording head, a conveyance section, and a negative pressure applying section. The recording head ejects ink onto a recording medium. The conveyance section conveys the recording medium placed on a conveying surface thereof to the recording head. The negative pressure applying section includes an airflow chamber and causes the recording medium to be sucked onto the conveying surface by negative pressure through holes in an upper wall of the airflow chamber and holes in the conveying surface. Negative pressure applied through first holes in a first region is greater than that applied through second holes in a second region. The first region is located upstream of a head facing region in a conveyance direction of the recording medium. The second region is located downstream of the first region in the conveyance direction of the recording medium and includes the head facing region.Type: GrantFiled: December 2, 2015Date of Patent: August 30, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Hidenori Takenaka, Takeshi Watanabe, Jumpei Hobo, Tomohisa Soda, Shinji Yoshinaga, Hiroatsu Tamai, Satoshi Tsunemi
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Patent number: 9421774Abstract: An inkjet recording apparatus includes a conveyance section, a recording head, a maintenance mechanism, and a control section. The conveyance section conveys a recording medium. The recording head discharges ink droplets toward the recording medium while the conveyance section conveys the recording medium. The maintenance mechanism performs maintenance on the recording head. The control section causes the maintenance mechanism to operate upon determination that a width of a next recording target recording medium is greater than a width of a recording medium subjected to image recording prior to the next recording target recording medium.Type: GrantFiled: January 26, 2016Date of Patent: August 23, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Satoshi Tsunemi, Shinji Yoshinaga, Takeshi Watanabe, Hiroatsu Tamai, Hidenori Takenaka, Jumpei Hobo, Tomohisa Soda
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Patent number: 9409417Abstract: A conveyor device includes a guide member with through holes therein. The guide member has a surface with grooves therein. The through holes are located inside of the grooves. The through holes include a first through hole and a second through hole. The first through hole is located opposite to an ejection region of a recording head. The second through hole is located opposite to a non-ejection region of the recording head. The grooves include a first groove and a second groove. The first through hole is located inside of the first groove. The second through hole is located inside of the second groove. The second groove is longer than the first groove.Type: GrantFiled: March 31, 2015Date of Patent: August 9, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Tomohisa Soda, Takeshi Watanabe, Hidenori Takenaka, Jumpei Hobo, Masami Fujihara
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Publication number: 20160214385Abstract: An inkjet recording apparatus includes a conveyance section, a recording head, a maintenance mechanism, and a control section. The conveyance section conveys a recording medium. The recording head discharges ink droplets toward the recording medium while the conveyance section conveys the recording medium. The maintenance mechanism performs maintenance on the recording head. The control section causes the maintenance mechanism to operate upon determination that a width of a next recording target recording medium is greater than a width of a recording medium subjected to image recording prior to the next recording target recording medium.Type: ApplicationFiled: January 26, 2016Publication date: July 28, 2016Applicant: KYOCERA Document Solutions Inc.Inventors: Satoshi TSUNEMI, Shinji YOSHINAGA, Takeshi WATANABE, Hiroatsu TAMAI, Hidenori TAKENAKA, Jumpei HOBO, Tomohisa SODA
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Publication number: 20160200124Abstract: An inkjet recording apparatus includes a recording head, a conveyance section, a first voltage applying section, and a second power supplying section. The recording head ejects ink onto a recording sheet. The conveyance section conveys the recording sheet to a position of image forming by the recording head. The first power supplying section applies a voltage to the recording sheet upstream of the recording head in a conveyance direction of the recording sheet. The second power supplying section includes a plate member located between the recording head and the first power supplying section and applies a voltage to the plate member that is of opposite polarity to the voltage applied by the first power supplying section.Type: ApplicationFiled: January 13, 2016Publication date: July 14, 2016Applicant: KYOCERA Document Solutions Inc.Inventors: Hiroatsu TAMAI, Takeshi WATANABE, Shinji YOSHINAGA, Satoshi TSUNEMI, Hidenori TAKENAKA, Jumpei HOBO, Tomohisa SODA
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Publication number: 20160200121Abstract: An inkjet recording apparatus includes a control section, a conveyance section, a recording head, a negative pressure applying section, a gap forming section, and a first voltage applying section. The conveyance section conveys a recording medium placed on a conveying surface. The negative pressure applying section applies negative pressure to holes in the conveying surface to suck the recording medium onto the conveying surface. The gap forming section forms a narrow gap, with the conveying surface, further upstream in a conveyance direction of the recording medium than the recording head. The gap forming section is composed of at least a part of a conductive portion. The first voltage applying section applies a voltage to the conductive portion. The control section controls the first voltage applying section to apply the voltage to the conductive portion while the inkjet recording apparatus performs a specific process.Type: ApplicationFiled: January 13, 2016Publication date: July 14, 2016Applicant: KYOCERA Document Solutions Inc.Inventors: Takeshi WATANABE, Shinji YOSHINAGA, Hidenori TAKENAKA, Jumpei HOBO, Tomohisa SODA, Hiroatsu TAMAI, Satoshi TSUNEMI
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Publication number: 20160176211Abstract: An inkjet recording apparatus includes a control section, a conveyance section, a recording head, a gap forming section, and a negative pressure applying section. The gap forming section is disposed upstream of the recording head in a conveyance direction of a recording medium to form a narrow gap with a conveying surface of the conveyance section. The negative pressure applying section applies negative pressure to the narrow gap. The control section adjusts a distance across the narrow gap in the direction perpendicular to the conveying surface to a first distance in image formation. Upon receiving an instruction to clean the gap forming section, the control section adjusts the distance across the narrow gap in a direction perpendicular to the conveying surface to a second distance that is greater than the first distance and causes the negative pressure applying section to start applying negative pressure to the narrow gap.Type: ApplicationFiled: December 10, 2015Publication date: June 23, 2016Applicant: KYOCERA Document Solutions Inc.Inventors: Hidenori TAKENAKA, Takeshi WATANABE, Jumpei HOBO, Tomohisa SODA, Shinji YOSHINAGA, Hiroatsu TAMAI, Satoshi TSUNEMI
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Patent number: 9370943Abstract: A conveyor device includes a conveyor belt and a suction section. The conveyor belt conveys a recording medium. The suction section sucks on the recording medium through the conveyor belt. The suction section has a plurality of through holes. The suction section includes an air flow chamber. The air flow chamber has an air outlet in a bottom thereof. The bottom has first regions and a second region. The first regions are each located at a position opposite to a corresponding one of the through holes. The first regions are each located adjacent to the second region. The air outlet is located within the second region.Type: GrantFiled: April 6, 2015Date of Patent: June 21, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Jumpei Hobo, Takeshi Watanabe, Hidenori Takenaka, Tomohisa Soda, Masami Fujihara
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Publication number: 20160159114Abstract: An inkjet recording apparatus includes a recording head, a conveyance section, and a negative pressure applying section. The recording head ejects ink onto a recording medium. The conveyance section conveys the recording medium placed on a conveying surface thereof to the recording head. The negative pressure applying section includes an airflow chamber and causes the recording medium to be sucked onto the conveying surface by negative pressure through holes in an upper wall of the airflow chamber and holes in the conveying surface. Negative pressure applied through first holes in a first region is greater than that applied through second holes in a second region. The first region is located upstream of a head facing region in a conveyance direction of the recording medium. The second region is located downstream of the first region in the conveyance direction of the recording medium and includes the head facing region.Type: ApplicationFiled: December 2, 2015Publication date: June 9, 2016Applicant: KYOCERA Document Solutions Inc.Inventors: Hidenori TAKENAKA, Takeshi WATANABE, Jumpei HOBO, Tomohisa SODA, Shinji YOSHINAGA, Hiroatsu TAMAI, Satoshi TSUNEMI
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Publication number: 20160129712Abstract: An inkjet recording apparatus includes a recording head, a conveyance section, a plate member, and a negative pressure applying section. The recording head ejects ink onto a recording medium. The conveyance section conveys the recording medium to a position of image forming by the recording head and has a conveying surface on which the recording medium is to be placed. The plate member is located upstream of the recording head in a conveyance direction of the recording medium to form a narrow gap with the conveying surface of the conveyance section. The negative pressure applying section applies negative pressure to the narrow gap. A distance across the narrow gap in a direction perpendicular to the conveying surface is set so as to allow air flowing into the narrow gap from surrounding space to have a higher flow velocity in the narrow gap than before flowing into the narrow gap.Type: ApplicationFiled: November 5, 2015Publication date: May 12, 2016Applicant: KYOCERA Document Solutions Inc.Inventors: Shinji YOSHINAGA, Takeshi WATANABE, Hiroatsu TAMAI, Satoshi TSUNEMI, Hidenori TAKENAKA, Jumpei HOBO, Tomohisa SODA
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Patent number: 9283779Abstract: A conveyor device includes a feed member, a conveyor belt, and a suction section. The feed member feeds a recording medium while in contact with a part of the recording medium. The conveyor belt conveys the recording medium having been conveyed by the feed member. The suction section sucks the recording medium onto the conveyor belt. The conveyor belt includes a first region that is to receive the part of the recording medium and a second region adjacent to the first region. The conveyor belt has a plurality of suction holes in communication with the suction section. The suction holes have a lower opening ratio in the first region than in the second region.Type: GrantFiled: May 18, 2015Date of Patent: March 15, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Jumpei Hobo, Takeshi Watanabe, Hidenori Takenaka, Tomohisa Soda, Masami Fujihara
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Patent number: 9248670Abstract: A conveyor device is disposed opposite to a recording head. The conveyor device includes a conveyor belt and a suction section. The suction section sucks on a recording medium through the conveyor belt. The suction section includes an air flow chamber and a guide member. The air flow chamber is disposed opposite to one surface of the conveyor belt, and negative pressure for sucking the recording medium onto another surface of the conveyor belt is created in the air flow chamber. The guide member covers the air flow chamber and supports the conveyor belt. The air flow chamber includes a partition wall dividing the air flow chamber into first and second spaces. The first space includes a third space overlapping with the recording head with the conveyor belt and the guide member therebetween. Pressure in the first space is less negative than pressure in the second space.Type: GrantFiled: March 31, 2015Date of Patent: February 2, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Masami Fujihara, Takeshi Watanabe, Hidenori Takenaka, Tomohisa Soda, Jumpei Hobo
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Patent number: 9227432Abstract: A conveyor device is arranged to face a recording head. The conveyor device includes a conveyance belt and a suction section. The conveyance belt conveys a recording medium. The suction section includes a guide member that supports the recording medium through the conveyance belt. The suction section sucks the recording medium through a plurality of first holes passing through the guide member and a plurality of second holes passing through the conveyance belt to attach the recording medium to the conveyance belt. None of the first holes are formed in a first region of the guide member. The first region is a region where a partial region pertaining to a feeding member overlaps with a head facing region facing the recording head.Type: GrantFiled: March 2, 2015Date of Patent: January 5, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Takeshi Watanabe, Hidenori Takenaka, Tomohisa Soda, Jumpei Hobo, Masami Fujihara
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Patent number: 9227446Abstract: A belt cleaning device includes a cleaning roller. The cleaning roller includes a roller having an outer peripheral surface. A sheet-like cleaning element is wound to the outer peripheral surface of the roller. One end part of the cleaning element is fixed to the outer peripheral surface of the roller. Both side edge parts in the other end part of the cleaning element are fixed to the outer peripheral surface of the roller. The both side edge parts in the other end part of the cleaning element are located on the outside of their region that is to face to possibly largest paper.Type: GrantFiled: July 28, 2014Date of Patent: January 5, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Jumpei Hobo, Masami Fujihara, Hidenori Takenaka
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Publication number: 20150375533Abstract: A conveyor device includes a conveyor belt and a suction section. The conveyor belt conveys a recording medium. The suction section sucks on the recording medium via the conveyor belt. The suction section includes a guide member that supports the recording medium via the conveyor belt. The guide member has a plurality of grooves including at least one pair of grooves that are adjacent in a conveyance direction of the recording medium. Each of the grooves in the pair has an end adjacent to an end of the other groove in the pair. The adjacent ends of the respective grooves in the pair each have a portion overlapping with a portion of the adjacent end of the other groove in the pair (groove overlapping region) in a direction perpendicular to the conveyance direction.Type: ApplicationFiled: June 23, 2015Publication date: December 31, 2015Applicant: KYOCERA Document Solutions Inc.Inventors: Jumpei HOBO, Takeshi WATANABE, Hidenori TAKENAKA, Tomohisa SODA, Masami FUJIHARA
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Patent number: 9216594Abstract: A conveyor device is installed opposite to a recording head in a recording apparatus. The conveyor device includes a conveyor belt that conveys a recording medium. The conveyor device further includes a suction section. The suction section includes a guide member having through holes and an air escape channel. The guide member is located opposite to the recording head with the conveyor belt therebetween. The suction section sucks on the recording medium through the conveyor belt and the guide member. The guide member has a surface having grooves therein. The surface faces the recording head with the conveyor belt therebetween. The surface has a recess located outside of a region where the grooves are located. The recess constitutes a part of the air escape channel. The air escape channel is in communication with one or more of the grooves.Type: GrantFiled: March 31, 2015Date of Patent: December 22, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Tomohisa Soda, Hidenori Takenaka, Jumpei Hobo, Masami Fujihara, Takeshi Watanabe
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Patent number: 9199496Abstract: A cleaning roller is in press contact with a conveyance belt on the downstream side of a drive roller in a first direction. A controller controls a motor so that the conveyance belt is driven in a second direction opposite to the first direction when the cleaning roller cleans the conveyance belt.Type: GrantFiled: March 20, 2014Date of Patent: December 1, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Jumpei Hobo, Hidenori Takenaka, Masami Ikeda