Patents by Inventor Yoshihiro Koizumi
Yoshihiro Koizumi 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: 20230088212Abstract: There is provided an ink replenishment container for replenishing ink into an ink tank via an ink inlet flow path member having a plurality of flow paths, the ink replenishment container including a container main body, an ink outlet forming portion, and an outlet valve unit. The outlet valve unit includes a valve housing mounted to provide a gap with an inner peripheral surface of a tubular portion in the tubular portion, a sealing member, and a valve body movable between a valve close state in contact with the sealing member and a valve open state separated from the sealing member. The valve body has a partition contact portion capable of contacting a partition of the ink inlet flow path member. The valve housing has a through-hole that communicates with the gap, and the through-hole communicates with the ink inlet flow path member in the valve open state.Type: ApplicationFiled: September 16, 2022Publication date: March 23, 2023Applicant: SEIKO EPSON CORPORATIONInventors: Tadahiro MIZUTANI, Yoshihiro KOIZUMI, Taku ISHIZAWA, Tadashi WATANABE
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Patent number: 11571905Abstract: An ink supply bottle from which ink is to be supplied to a printer includes: an ink bag that contains the ink; a bottle unit that houses the ink bag and that has a bottleneck with an exit opening; and an ink conduit member disposed in the bottleneck of the bottle. The ink conduit member is in contact with an inner side of the ink bag and seals an opening of the ink bag to form an ink outlet. The ink bag is made of an elastic or stretchable material.Type: GrantFiled: July 2, 2021Date of Patent: February 7, 2023Assignee: SEIKO EPSON CORPORATIONInventor: Yoshihiro Koizumi
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Publication number: 20220410575Abstract: A cartridge includes a liquid container and an adaptor. The liquid container has a liquid storage containing a liquid to be supplied to a printing apparatus, a liquid supply section configured to supply the liquid contained in the liquid storage to a liquid introduction section, and an adaptor mounting section. The adaptor is mounted on the adaptor mounting section and has a terminal placement section in which a cartridge-side terminal electrically connected to an apparatus-side terminal is disposed and an insertion aperture through which the liquid introduction section passes. The adaptor mounting section is provided with a mounting mechanism for mounting the adaptor, which has a predetermined constant shape.Type: ApplicationFiled: June 27, 2022Publication date: December 29, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Hiroto HANBA, Yoshihiro KOIZUMI, Shun OYA, Takumi NAGASHIMA
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Publication number: 20220314631Abstract: The cartridge includes: a liquid containing portion, a liquid supply portion, an arrangement portion having the liquid supply portion arranged inside thereof and having a bottom wall facing a distal end of the liquid supply portion, in which the bottom wall has an opening portion through which the liquid introduction portion is inserted at a position facing the distal end, a first liquid absorbing member arranged inside the arrangement portion, of which a part of the first liquid absorbing member is exposed from the opening portion, and a second liquid absorbing member arranged inside the arrangement portion and coming into contact with the first liquid absorbing member.Type: ApplicationFiled: March 29, 2022Publication date: October 6, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Shun OYA, Tadahiro MIZUTANI, Yoshihiro KOIZUMI, Takumi NAGASHIMA
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Publication number: 20220305798Abstract: The cartridge includes a liquid containing portion containing a liquid, a liquid supply portion, an arrangement portion having a bottom wall in which an opening through which the liquid introduction portion is inserted is formed, and a film peelably attached to the arrangement portion while covering the opening portion, in which the arrangement portion further has a mounting element cooperating with the printing apparatus, and the film is arranged at a position where the film is interposed between the printing apparatus and the mounting element when a mounting process is performed in a state in which the film is attached to the arrangement portion.Type: ApplicationFiled: March 24, 2022Publication date: September 29, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Tadahiro MIZUTANI, Yoshihiro KOIZUMI, Shun OYA, Takumi NAGASHIMA
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Publication number: 20220297438Abstract: A cartridge includes: a liquid containing body including a liquid containing portion containing the liquid and a liquid supply portion; and an adapter attached to the liquid containing body and including a terminal arrangement portion which is located on one end side of the adapter in a longitudinal direction and in which a cartridge-side terminal electrically coupled to the apparatus-side terminal is arranged, and an insertion opening portion through which the liquid introduction portion is inserted, in which the adapter has a notch located between the terminal arrangement portion and the insertion opening portion in the longitudinal direction.Type: ApplicationFiled: March 18, 2022Publication date: September 22, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Takumi NAGASHIMA, Yoshihiro KOIZUMI, Shun OYA
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Publication number: 20220297437Abstract: A cartridge includes a casing that demarcates a liquid chamber used for storing a liquid and that is hollow, and a liquid supply section that communicates with the liquid chamber and supplies the liquid in the liquid chamber to a printing apparatus. The casing includes a concave/convex portion.Type: ApplicationFiled: March 18, 2022Publication date: September 22, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Takumi NAGASHIMA, Yoshihiro KOIZUMI, Shun OYA, Hiroto HANBA
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Publication number: 20220194087Abstract: A cartridge includes a liquid containing portion and a liquid supply portion that includes a cartridge side valve mechanism, the cartridge side valve mechanism includes a cartridge side valve seat in which a cartridge side valve hole is formed, a cartridge side valve body that stops the cartridge side valve hole and has a tip surface positioned adjacent to the supply opening, and a cartridge side urging member that urges the cartridge side valve body in a direction toward the cartridge side valve seat, and the cartridge side valve body has a protrusion that protrudes from the tip surface and pushes the device side valve body to open the device side valve body.Type: ApplicationFiled: December 16, 2021Publication date: June 23, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Shun OYA, Yoshihiro KOIZUMI, Takumi NAGASHIMA
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Patent number: 11318749Abstract: In a state in which a cartridge body is not inserted in a cartridge receiving section provided on a printer side, an electronic component mounting section is held at an initial position to the cartridge body. The cartridge body is linearly inserted into the cartridge receiving section of the printer along a first direction, which is an insertion direction of the cartridge body, to a second position before a first position in which the cartridge body is in a mounted state in the cartridge receiving section. By the cartridge body being linearly inserted from the second position to the first position along the first direction, the electronic component mounting section is moved from the initial position in a second direction different from the first direction to couple the electronic component to electrical coupling portions provided on the printer side.Type: GrantFiled: December 23, 2020Date of Patent: May 3, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Yoshihiro Koizumi, Tadahiro Mizutani
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Publication number: 20220097389Abstract: A cartridge includes a cartridge side terminal electrically coupled to a device side terminal, a liquid supply portion that is coupled to a liquid introduction portion and that makes a liquid flow to the liquid introduction portion, a terminal positioning portion that performs positioning by receiving a device side terminal positioning portion to regulate movement of the cartridge side terminal with respect to the device side terminal, and a supply portion positioning portion that performs positioning by receiving a device side supply portion positioning portion to regulate movement of the liquid supply portion with respect to the liquid introduction portion. A first direction is a direction intersecting a second direction, the first direction being a direction in which the terminal positioning portion extends, the second direction being a direction in which the supply portion positioning portion extends.Type: ApplicationFiled: September 24, 2021Publication date: March 31, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Shun OYA, Yoshihiro KOIZUMI, Takumi NAGASHIMA
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Publication number: 20220001671Abstract: An ink supply bottle from which ink is to be supplied to a printer includes: an ink bag that contains the ink; a bottle unit that houses the ink bag and that has a bottleneck with an exit opening; and an ink conduit member disposed in the bottleneck of the bottle. The ink conduit member is in contact with an inner side of the ink bag and seals an opening of the ink bag to form an ink outlet. The ink bag is made of an elastic or stretchable material.Type: ApplicationFiled: July 2, 2021Publication date: January 6, 2022Applicant: SEIKO EPSON CORPORATIONInventor: Yoshihiro KOIZUMI
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Patent number: 11072183Abstract: A cartridge mountable on a liquid ejection device is provided. The liquid ejection device includes a mounting section, an air supplying portion including an air supplying passage, and a detection section configured to detect an error when a predetermined air pressure is not reached even if air is supplied from the air supplying portion. The cartridge includes a case including a communication portion and a first leakage limiting portion that limits leakage of air supplied from the air supplying portion into an atmosphere. The communication portion includes a second leakage limiting portion that limits leakage of the air supplied from the air supplying portion into the case through the communication portion.Type: GrantFiled: February 3, 2020Date of Patent: July 27, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Yoshihiro Koizumi, Shun Oya, Kotoya Aruga
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Publication number: 20210197575Abstract: In a state in which a cartridge body is not inserted in a cartridge receiving section provided on a printer side, an electronic component mounting section is held at an initial position to the cartridge body. The cartridge body is linearly inserted into the cartridge receiving section of the printer along a first direction, which is an insertion direction of the cartridge body, to a second position before a first position in which the cartridge body is in a mounted state in the cartridge receiving section. By the cartridge body being linearly inserted from the second position to the first position along the first direction, the electronic component mounting section is moved from the initial position in a second direction different from the first direction to couple the electronic component to electrical coupling portions provided on the printer side.Type: ApplicationFiled: December 23, 2020Publication date: July 1, 2021Applicant: SEIKO EPSON CORPORATIONInventors: Yoshihiro KOIZUMI, Tadahiro MIZUTANI
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Patent number: 11014369Abstract: A cartridge has a terminal disposition wall portion where a plurality of cartridge side terminals are disposed so as to form an inclined surface facing a direction including a components in ?Y and +Z directions. The terminal disposition wall portion includes a first protruding portion and a second protruding portion provided further in the ?Y direction than a second wall constituting a pressurization chamber, a first extending portion extending in the ?Y direction from the first protruding portion, and a second extending portion extending in the ?Y direction from the second protruding portion. A first cartridge side contact portion configured to come into contact with a first apparatus side contact portion is provided in the first extending portion. A second cartridge side contact portion configured to come into contact with a second apparatus side contact portion is provided in the second extending portion.Type: GrantFiled: January 28, 2020Date of Patent: May 25, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Shun Oya, Yoshihiro Koizumi
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Patent number: 10981391Abstract: In a state in which a liquid storage body is installed in a liquid ejecting apparatus, at least part of the upper edge of a liquid storage section and at least part of the lower edge of the liquid storage section are in contact with a case and a first inner surface of the liquid storage section and its second inner surface opposite to the first inner surface are separated from each other. The liquid storage section is structured so that as a liquid is supplied, the first inner surface and second inner surface gradually approach each other and, at the same time, come into contact with each other from top to bottom, forming, at the bottom of the interior of the liquid storage section, a liquid flow path through which the liquid flows from the liquid storage section to the liquid supply section.Type: GrantFiled: November 12, 2019Date of Patent: April 20, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Shun Oya, Yoshihiro Koizumi
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Publication number: 20200254769Abstract: A cartridge mountable on a liquid ejection device is provided. The liquid ejection device includes a mounting section, an air supplying portion including an air supplying passage, and a detection section configured to detect an error when a predetermined air pressure is not reached even if air is supplied from the air supplying portion. The cartridge includes a case including a communication portion and a first leakage limiting portion that limits leakage of air supplied from the air supplying portion into an atmosphere. The communication portion includes a second leakage limiting portion that limits leakage of the air supplied from the air supplying portion into the case through the communication portion.Type: ApplicationFiled: February 3, 2020Publication date: August 13, 2020Applicant: Seiko Epson CorporationInventors: Yoshihiro KOIZUMI, Shun OYA, Kotoya ARUGA
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Publication number: 20200238719Abstract: A cartridge has a terminal disposition wall portion where a plurality of cartridge side terminals are disposed so as to form an inclined surface facing a direction including a components in ?Y and +Z directions. The terminal disposition wall portion includes a first protruding portion and a second protruding portion provided further in the ?Y direction than a second wall constituting a pressurization chamber, a first extending portion extending in the ?Y direction from the first protruding portion, and a second extending portion extending in the ?Y direction from the second protruding portion. A first cartridge side contact portion configured to come into contact with a first apparatus side contact portion is provided in the first extending portion. A second cartridge side contact portion configured to come into contact with a second apparatus side contact portion is provided in the second extending portion.Type: ApplicationFiled: January 28, 2020Publication date: July 30, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Shun OYA, Yoshihiro KOIZUMI
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Publication number: 20200147974Abstract: In a state in which a liquid storage body is installed in a liquid ejecting apparatus, at least part of the upper edge of a liquid storage section and at least part of the lower edge of the liquid storage section are in contact with a case and a first inner surface of the liquid storage section and its second inner surface opposite to the first inner surface are separated from each other. The liquid storage section is structured so that as a liquid is supplied, the first inner surface and second inner surface gradually approach each other and, at the same time, come into contact with each other from top to bottom, forming, at the bottom of the interior of the liquid storage section, a liquid flow path through which the liquid flows from the liquid storage section to the liquid supply section.Type: ApplicationFiled: November 12, 2019Publication date: May 14, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Shun OYA, Yoshihiro KOIZUMI
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Patent number: 10567706Abstract: An interface module 61 relays control signal communication between a main CPU 621 and a light source control CPU 651 and between the main CPU 621 and a camera head CPU 242. The interface module 61 includes an FPGA 610 having CPU I/Fs 611 to 613 that correspond to communication schemes of CPUs 621, 651, and 242, respectively, and first and second storage units 615 (617) and 616 (618). The FPGA 610 relays a control signal between the main CPU 621 and the light source control CPU 651 and between the main CPU 621 and the camera head CPU 242, while temporarily storing the control signal in the first and the second storage units 615 (617) and 616 (618). Moreover, a first communication timing and second and third communication timings are set at timings shifted from one another.Type: GrantFiled: February 22, 2016Date of Patent: February 18, 2020Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.Inventors: Aki Mizukami, Yoshihiro Koizumi, Masashige Kimura
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Patent number: 10414164Abstract: A cartridge comprises a liquid container that is at least partly made of a flexible material and is configured to contain a liquid therein; a recess that is configured to be open toward a mounting direction of the cartridge to a liquid ejection apparatus; and a fluid receiving portion that is placed inside of the recess and is configured to receive supply of a pressurized fluid.Type: GrantFiled: July 11, 2018Date of Patent: September 17, 2019Assignee: SEIKO EPSON CORPORATIONInventors: Yoshihiro Koizumi, Hiroyuki Nakamura, Ayumi Yoshida