Patents by Inventor Kazuhisa Kawakami

Kazuhisa Kawakami 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).

  • Patent number: 11897159
    Abstract: A post-processing apparatus includes a transport path having a first path member and a second path member, a punching member disposed on the transport path to perform punching on the medium. The transport path includes a first transport path disposed downstream of the punching member in a transport direction and a second transport path continuously extending downstream of the first transport path in the transport path, the second transport path having a curved shape to hold the medium in a curved state, the first path member in the second transport path forms an outer side of the curved shape and is disposed at a position further separated from the first surface than the first path member in the first transport path, and an upstream end in the transport direction of the medium in the curved state is moved from the first transport path to the second transport path.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: February 13, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Kohei Ueno, Chiaki Shimada, Kazuhisa Kawakami
  • Patent number: 11802019
    Abstract: A post-processing device includes a processing tray on which a medium on which recording was performed by a recording unit is loaded, a rear end alignment unit that aligns a rear end (an example of an end portion) of the medium on the processing tray, a post-processing unit that performs post-processing on the medium aligned by the rear end alignment unit, and a pressing member that presses the rear end of the medium. The post-processing unit is configured to be movable. The pressing member is provided to be rotatable in conjunction with movement of the post-processing unit, in a state in which the pressing member is in contact with the medium aligned by the rear end alignment unit.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: October 31, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Kazuhisa Kawakami, Kazuhiro Fujita, Masaki Miyazawa, Shun Hara
  • Patent number: 11780246
    Abstract: An end unit includes: a processing tray including an upper surface on which a medium subjected to recording by a recording unit is mounted; a first paddle and a second paddle that transport, in direction +A, the medium mounted on the upper surface; an alignment section that aligns an edge portion of the medium, which was transported in direction +A by the first paddle and the second paddle, in direction +A; a post-processing section that performs post-processing for the medium aligned by the alignment section; and a load member that applies a load when the medium on the processing tray moves in direction ?A opposite to direction +A.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: October 10, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Shun Hara, Kazuhisa Kawakami, Yu Tsumuraya
  • Patent number: 11608242
    Abstract: A post-processing device includes a processing tray on which a medium recorded by a recording portion is loaded, and a first paddle which is an example of a transportation member provided above the processing tray and rotating to transport the medium toward the upstream in a transport direction. In addition, the post-processing device includes a roller which is an example of a rotating body provided above the rotation shaft of the first paddle, and a paddle unit frame which is an example of an upper member provided above the roller. The roller and the paddle unit frame are positioned within a rotation locus of the first paddle.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: March 21, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Masaki Miyazawa, Shun Hara, Kazuhisa Kawakami
  • Publication number: 20220258373
    Abstract: A post-processing apparatus includes a transport path having a first path member and a second path member, a punching member disposed on the transport path to perform punching on the medium. The transport path includes a first transport path disposed downstream of the punching member in a transport direction and a second transport path continuously extending downstream of the first transport path in the transport path, the second transport path having a curved shape to hold the medium in a curved state, the first path member in the second transport path forms an outer side of the curved shape and is disposed at a position further separated from the first surface than the first path member in the first transport path, and an upstream end in the transport direction of the medium in the curved state is moved from the first transport path to the second transport path.
    Type: Application
    Filed: February 14, 2022
    Publication date: August 18, 2022
    Inventors: Kohei UENO, Chiaki SHIMADA, Kazuhisa KAWAKAMI
  • Publication number: 20220194101
    Abstract: An end unit includes: a processing tray including an upper surface on which a medium subjected to recording by a recording unit is mounted; a first paddle and a second paddle that transport, in direction +A, the medium mounted on the upper surface; an alignment section that aligns an edge portion of the medium, which was transported in direction +A by the first paddle and the second paddle, in direction +A; a post-processing section that performs post-processing for the medium aligned by the alignment section; and a load member that applies a load when the medium on the processing tray moves in direction ?A opposite to direction +A.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 23, 2022
    Inventors: Shun HARA, Kazuhisa KAWAKAMI, Yu TSUMURAYA
  • Publication number: 20220063297
    Abstract: A post-processing device includes a processing tray on which a medium on which recording was performed by a recording unit is loaded, a rear end alignment unit that aligns a rear end (an example of an end portion) of the medium on the processing tray, a post-processing unit that performs post-processing on the medium aligned by the rear end alignment unit, and a pressing member that presses the rear end of the medium. The post-processing unit is configured to be movable. The pressing member is provided to be rotatable in conjunction with movement of the post-processing unit, in a state in which the pressing member is in contact with the medium aligned by the rear end alignment unit.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 3, 2022
    Inventors: Kazuhisa KAWAKAMI, Kazuhiro FUJITA, Masaki MIYAZAWA, Shun HARA
  • Publication number: 20220032662
    Abstract: A post-processing device includes a processing tray on which a medium recorded by a recording portion is loaded, and a first paddle which is an example of a transportation member provided above the processing tray and rotating to transport the medium toward the upstream in a transport direction. In addition, the post-processing device includes a roller which is an example of a rotating body provided above the rotation shaft of the first paddle, and a paddle unit frame which is an example of an upper member provided above the roller. The roller and the paddle unit frame are positioned within a rotation locus of the first paddle.
    Type: Application
    Filed: July 28, 2021
    Publication date: February 3, 2022
    Inventors: Masaki MIYAZAWA, Shun HARA, Kazuhisa KAWAKAMI
  • Patent number: 10500874
    Abstract: In a support member that is disposed to face a liquid emitting head and supports a medium, in a first region through which an edge of a first medium in a medium width direction passes, a liquid receiving portion is provided which receives a liquid emitted on a region deviated from the edge of the first medium in the medium width direction, and in a second region as a region through which an edge of a second medium in which a size thereof in the medium width direction is larger than that of the first medium passes, an absorbing material disposing portion at which a liquid absorbing material which absorbs the liquid guided from the liquid receiving portion is disposed to be capable of being exposed from an upper side of the support member is provided.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: December 10, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Kazuo Otsuka, Yosuke Nakano, Eiji Taketsugu, Atsuhiko Takeuchi, Kazuhisa Kawakami
  • Publication number: 20190092051
    Abstract: In a support member that is disposed to face a liquid emitting head and supports a medium, in a first region through which an edge of a first medium in a medium width direction passes, a liquid receiving portion is provided which receives a liquid emitted on a region deviated from the edge of the first medium in the medium width direction, and in a second region as a region through which an edge of a second medium in which a size thereof in the medium width direction is larger than that of the first medium passes, an absorbing material disposing portion at which a liquid absorbing material which absorbs the liquid guided from the liquid receiving portion is disposed to be capable of being exposed from an upper side of the support member is provided.
    Type: Application
    Filed: September 27, 2018
    Publication date: March 28, 2019
    Inventors: Kazuo OTSUKA, Yosuke NAKANO, Eiji TAKETSUGU, Atsuhiko TAKEUCHI, Kazuhisa KAWAKAMI
  • Publication number: 20190084311
    Abstract: A liquid supply unit adapted to supply a liquid to a liquid ejection device is provided. The liquid ejection device includes an engagement hole, an engaged portion, an electrode portion having an electrode pin, and an introduction portion. The liquid supply unit includes first and second housings and a biasing member. The first housing has a liquid containing portion, a liquid supply portion supplying the liquid from the liquid containing portion to the introduction portion, and an engagement protrusion engageable with the engagement hole. The second housing has a terminal portion coming into electrical contact with the electrode portion and an engagement portion engageable with the engaged portion. The biasing member biases the second housing in a direction away from the first housing in a state in which the liquid supplying unit is attached to the liquid ejection device.
    Type: Application
    Filed: November 20, 2018
    Publication date: March 21, 2019
    Inventors: Kazumasa Harada, Kazuhisa Kawakami
  • Patent number: 10118400
    Abstract: A liquid ejection system of this invention includes a mechanism unit that can change the relative position of a medium relative to a liquid ejection head capable of ejecting a liquid, and a liquid storage container having a liquid storage portion capable of storing the liquid that is to be supplied to the liquid ejection head. A liquid injection portion that enables injection of the liquid into the liquid storage portion is provided in the liquid storage container. In an orientation in which the liquid injection portion faces a direction upward relative to the horizontal direction, in a plan view of the mechanism unit from vertically above, at least a portion of the liquid storage container excluding the liquid injection portion is overlapped with the region of the mechanism unit.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: November 6, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Hitoshi Igarashi, Kazuhisa Kawakami, Katsumi Yamada, Yasuhiro Taguchi, Eiko Yanagida
  • Publication number: 20180099505
    Abstract: A liquid container and a liquid ejection apparatus for the liquid ejection apparatus is provided. A hook portion provided on a +Z direction side wall portion that is positioned on the +Z direction side or a +X direction side wall portion that is positioned on the +X direction side when the liquid container is mounted to a mount portion is configured to restrict movement of the liquid container from the mount portion in the +Z direction by engaging with one of the outer face on the +X direction side in a moving body, the outer face on the +X direction side of a rotation lever, a gap in the Z direction formed between the wall on the +X direction side of the moving body and the rotation lever.
    Type: Application
    Filed: October 3, 2017
    Publication date: April 12, 2018
    Inventors: Katsumi YAMADA, Satoshi NAKATA, Kazuhisa KAWAKAMI, Katsunari KUMAGAI
  • Publication number: 20170144446
    Abstract: A liquid ejection system of this invention includes a mechanism unit that can change the relative position of a medium relative to a liquid ejection head capable of ejecting a liquid, and a liquid storage container having a liquid storage portion capable of storing the liquid that is to be supplied to the liquid ejection head. A liquid injection portion that enables injection of the liquid into the liquid storage portion is provided in the liquid storage container. In an orientation in which the liquid injection portion faces a direction upward relative to the horizontal direction, in a plan view of the mechanism unit from vertically above, at least a portion of the liquid storage container excluding the liquid injection portion is overlapped with the region of the mechanism unit.
    Type: Application
    Filed: November 18, 2016
    Publication date: May 25, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: HITOSHI IGARASHI, KAZUHISA KAWAKAMI, KATSUMI YAMADA, YASUHIRO TAGUCHI, EIKO YANAGIDA
  • Patent number: 9554007
    Abstract: An image forming apparatus includes a frame in which a carriage configured to reciprocate along a predetermined direction is disposed, and a unit disposed to be openable with respect to the frame. A first engaging portion is formed on the image forming apparatus. The image forming apparatus is capable of restricting a movement of the carriage at least in the predetermined direction with use of a securing component including a second engaging portion engageable with the first engaging portion. When the securing component is attached to the carriage, and then the unit is closed with the first engaging portion and the second engaging portion engaging with each other, the securing component is sandwiched and fixed between the frame and the unit.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: January 24, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuhito Tsubakimoto, Kazuhisa Kawakami, Masaya Shimmachi, Kaneto Tokuyama, Toshiaki Harada
  • Patent number: 9456095
    Abstract: A part engaging structure having sufficient intensity while reducing the use amount of material, and having high positioning accuracy is provided. An engaging structure allows a protruding portion formed at a first part to be received by a receiving portion formed at a second part and engages the first part with the second part. The protruding portion is formed of a structure body having a plurality of ribs combined in a polygonal shape lacking part of sides, and at least two of corner portions of the polygon of the structure body contact an inner surface of the receiving portion.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: September 27, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuhito Tsubakimoto, Toshiaki Harada, Kazuhisa Kawakami, Tadashi Hanabusa, Kaneto Tokuyama
  • Publication number: 20160193846
    Abstract: A liquid supply unit adapted to supply a liquid to a liquid ejection device is provided. The liquid ejection device includes an engagement hole, an engaged portion, an electrode portion having an electrode pin, and an introduction portion. The liquid supply unit includes first and second housings and a biasing member. The first housing has a liquid containing portion, a liquid supply portion supplying the liquid from the liquid containing portion to the introduction portion, and an engagement protrusion engageable with the engagement hole. The second housing has a terminal portion coming into electrical contact with the electrode portion and an engagement portion engageable with the engaged portion. The biasing member biases the second housing in a direction away from the first housing in a state in which the liquid supplying unit is attached to the liquid ejection device.
    Type: Application
    Filed: January 5, 2016
    Publication date: July 7, 2016
    Inventors: Kazumasa Harada, Kazuhisa Kawakami
  • Patent number: 9039166
    Abstract: A printing apparatus includes a housing, a carriage in which a print head is mounted, the carriage moving inside the housing, and an openable cover provided for the housing. A restricting member configured to restrict movement of the carriage during transport of the printing apparatus is attachable to the printing apparatus. While the restricting member is attached to the apparatus, the restricting member engages with the carriage, the cover in a closed position, and the housing and part of the restricting member is exposed outside of the cover in the closed position. When the part is pulled, the restricting member disengages from the carriage, the cover, and the housing and is detached from the apparatus.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: May 26, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tadashi Hanabusa, Kazuhisa Kawakami
  • Patent number: 8955967
    Abstract: A printing apparatus includes a print head configured to discharge ink, a housing in which the print head is provided, the housing having an opening, a cover unit which is openable with respect to the opening, a detection unit configured to detect an opening of the cover unit, and a wall inside the housing arranged between the detection unit and the print head, wherein the wall is configured to establish a separation between a space where the detection unit is located and a space where the print head is located when the cover unit is in a closed state.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: February 17, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhisa Kawakami, Yasuhito Tsubakimoto, Toshiaki Harada, Masaya Shimmachi, Kaneto Tokuyama
  • Publication number: 20150022958
    Abstract: A part engaging structure having sufficient intensity while reducing the use amount of material, and having high positioning accuracy is provided. An engaging structure allows a protruding portion formed at a first part to be received by a receiving portion formed at a second part and engages the first part with the second part. The protruding portion is formed of a structure body having a plurality of ribs combined in a polygonal shape lacking part of sides, and at least two of corner portions of the polygon of the structure body contact an inner surface of the receiving portion.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 22, 2015
    Inventors: Yasuhito Tsubakimoto, Toshiaki Harada, Kazuhisa Kawakami, Tadashi Hanabusa, Kaneto Tokuyama