Patents by Inventor Takumi Nagashima
Takumi Nagashima 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: 11465419Abstract: A liquid container includes: a bag that contains a liquid; and a pair of members configured to be reused when the liquid container is reassembled by replacing the bag used. The pair of members are fixed to each other by one or more swaging pins.Type: GrantFiled: April 2, 2021Date of Patent: October 11, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Noriyuki Fukasawa, Hiroyuki Kawate, Taku Ishizawa, 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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Patent number: 11427011Abstract: A manufacturing method of a liquid storage body includes: preparing a pre-restored storage body that has a bag to which a connection member is attached, and that is thereby sealed, the connection member being provided with a liquid outlet port, a storage-body-side electrical connection portion, a first receiving portion that receives a first positioning portion, and a second receiving portion that receives a second positioning portion; forming a communication portion that is in communication with the internal space of the bag by processing the bag; injecting a liquid from the communication portion into the internal space of the bag; and closing the communication portion so as to seal the bag.Type: GrantFiled: May 14, 2019Date of Patent: August 30, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Hiroyoshi Ozeki, Takumi Nagashima, Manabu Yamaguchi
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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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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: 20220055369Abstract: Convenience of an ink bottle and a bottle set is improved. An ink bottle includes: a container portion that contains ink; a guiding portion that is formed in one end portion of the container portion, and includes an outflow port from which the ink in the container portion flow out; and a cover that covers at least an end portion of the container portion on the opposite side of the guiding portion.Type: ApplicationFiled: November 2, 2021Publication date: February 24, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Taku ISHIZAWA, Tadahiro MIZUTANI, Ryoichi TANAKA, Manabu AKAHANE, Koichi TOBA, Takumi NAGASHIMA, Yoshiaki SHIMIZU, Tadashi WATANABE, Noriyuki FUKASAWA
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Patent number: 11192380Abstract: Convenience of an ink bottle and a bottle set is improved. An ink bottle includes: a container portion that contains ink; a guiding portion that is formed in one end portion of the container portion, and includes an outflow port from which the ink in the container portion flow out; and a cover that covers at least an end portion of the container portion on the opposite side of the guiding portion.Type: GrantFiled: December 27, 2019Date of Patent: December 7, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Taku Ishizawa, Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba, Takumi Nagashima, Yoshiaki Shimizu, Tadashi Watanabe, Noriyuki Fukasawa
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Patent number: 11179943Abstract: A liquid container includes a liquid containing portion containing a liquid, a liquid supply port through which the liquid of the liquid containing portion flows out, a container-side electrical coupling portion that is disposed on the ?X direction side of the liquid supply port, a first receiving portion that is disposed on the ?X direction side of the liquid supply port, and that is configured to receive insertion of a first positioning portion provided in the liquid ejecting apparatus, a second receiving portion that is disposed on the +X direction side of the liquid supply port, and that is configured to receive insertion of a second positioning portion provided in the liquid ejecting apparatus, and a third receiving portion configured to receive insertion of a third positioning portion provided in the liquid ejecting apparatus, on the +Y direction side of the liquid containing portion.Type: GrantFiled: May 28, 2020Date of Patent: November 23, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Mao Otashiro, Takumi Nagashima, Tomoyuki Miyazawa
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Publication number: 20210309015Abstract: A liquid container includes: a bag that contains a liquid; and a pair of members configured to be reused when the liquid container is reassembled by replacing the bag used. The pair of members are fixed to each other by one or more swaging pins.Type: ApplicationFiled: April 2, 2021Publication date: October 7, 2021Applicant: SEIKO EPSON CORPORATIONInventors: Noriyuki FUKASAWA, Hiroyuki KAWATE, Taku ISHIZAWA, Takumi NAGASHIMA
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Patent number: 11097549Abstract: There is provided a technique of improving the mounting position of a liquid container relative to a liquid ejection device. The liquid container configured to be mountable to and dismountable from a case of the liquid ejection device includes a bag-like member that has flexibility and that includes a containing portion provided to contain a liquid inside thereof; and connection member that is located at an end of the bag-like member. The connection member includes a liquid outlet configured such that a liquid introducing element of the liquid ejection device is inserted in the liquid outlet; a container-side electrical connecting structure configured such that a device-side electrical connecting structure of the liquid ejection device is connected with the container-side electrical connecting structure; and two guided elements configured such that at least respective parts of two guide elements of the case are fitted in the two guided elements in a state that the liquid container is placed in the case.Type: GrantFiled: August 7, 2017Date of Patent: August 24, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Takumi Nagashima, Hiroyuki Kawate, Yoshiaki Shimizu, Akihiro Toya, Tetsuya Takamoto, Tadahiro Mizutani, Hiroyoshi Ozeki, Manabu Yamaguchi
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Publication number: 20210078333Abstract: There is provided a technique of improving the mounting position of a liquid container relative to a liquid ejection device. The liquid container configured to be mountable to and dismountable from a case of the liquid ejection device includes a bag-like member that has flexibility and that includes a containing portion provided to contain a liquid inside thereof; and connection member that is located at an end of the bag-like member. The connection member includes a liquid outlet configured such that a liquid introducing element of the liquid ejection device is inserted in the liquid outlet; a container-side electrical connecting structure configured such that a device-side electrical connecting structure of the liquid ejection device is connected with the container-side electrical connecting structure; and two guided elements configured such that at least respective parts of two guide elements of the case are fitted in the two guided elements in a state that the liquid container is placed in the case.Type: ApplicationFiled: August 7, 2017Publication date: March 18, 2021Applicant: SEIKO EPSON CORPORATIONInventors: Takumi NAGASHIMA, Hiroyuki KAWATE, Yoshiaki SHIMIZU, Akihiro TOYA, Tetsuya TAKAMOTO, Tadahiro MIZUTANI, Hiroyoshi OZEKI, Manabu YAMAGUCHI
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Patent number: 10882321Abstract: A liquid supplier can be attached to and detached from a case of a liquid ejection device, and includes a connection member located at an end of the case. The connection member includes a liquid outlet member including a liquid outlet port and a connection port, a container-side electric connector, a first receiving portion that receives a first positioning portion of the liquid ejection device, and a second receiving portion that receives a second positioning portion of the liquid ejection device. The width of the liquid supplier in the Z direction is smaller than a width in the Y direction and a width in the X direction. The liquid supplier further includes a tube whose one end is connected to the connection port, and into which liquid is injected from another end that is located outside the liquid ejection device.Type: GrantFiled: April 24, 2019Date of Patent: January 5, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Manabu Yamaguchi, Hiroyuki Kawate, Takumi Nagashima, Hiroyoshi Ozeki, Taku Ishizawa
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Publication number: 20200376848Abstract: A liquid container includes a liquid containing portion containing a liquid, a liquid supply port through which the liquid of the liquid containing portion flows out, a container-side electrical coupling portion that is disposed on the ?X direction side of the liquid supply port, a first receiving portion that is disposed on the ?X direction side of the liquid supply port, and that is configured to receive insertion of a first positioning portion provided in the liquid ejecting apparatus, a second receiving portion that is disposed on the +X direction side of the liquid supply port, and that is configured to receive insertion of a second positioning portion provided in the liquid ejecting apparatus, and a third receiving portion configured to receive insertion of a third positioning portion provided in the liquid ejecting apparatus, on the +Y direction side of the liquid containing portion.Type: ApplicationFiled: May 28, 2020Publication date: December 3, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Mao OTASHIRO, Takumi NAGASHIMA, Tomoyuki MIYAZAWA
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Patent number: 10850525Abstract: A liquid container includes: a flexible bag provided with a liquid container that internally contains the liquid; a liquid outlet member attached to a one end portion of the bag; and a connection member that is attached to the one end portion of the bag so as to cover the liquid outlet member and a portion of the one end portion of the bag from the outside. The bag includes a sealed portion on an outer periphery side relative to the liquid container, the sealed portion includes a one end portion-side sealed portion, and a first width, which is a width of the one end portion-side sealed portion in at least a surrounding region of the connection member, is larger than a second width, which is a width of the sealed portion at other ends of the bag.Type: GrantFiled: May 31, 2019Date of Patent: December 1, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Takumi Nagashima, Hiroyuki Kawate, Hiroyoshi Ozeki, Manabu Yamaguchi, Koichi Toba
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Patent number: 10744779Abstract: A bottle set includes a bottle and a lid member. The bottle has an ink container, a nozzle and a joint portion integrally formed with the nozzle and having a thread configured to engage the nozzle with the ink container. The lid member is attachable to and detachable from the bottle. An outflow port is formed in the nozzle. The outflow port is configured such that the ink in the ink container flows out from the outflow port. The lid member has a tubular barrel, a top plate that closes a barrel end of the tubular barrel, and a plug projecting from the top plate toward the nozzle. A distance from the barrel end of the tubular barrel to a distal end of the plug being shorter than a distance from a nozzle end of the nozzle to the joint portion.Type: GrantFiled: February 11, 2019Date of Patent: August 18, 2020Assignee: Seiko Epson CorporationInventors: Takumi Nagashima, Tetsuya Takamoto, Hiroyuki Nakamura, Tadahiro Mizutani
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Patent number: 10675875Abstract: Liquid and sedimentary components are kept from remaining in a bag of a liquid container. The liquid container includes a flexible bag in which a liquid storage portion for containing a liquid is provided, a liquid outlet member that is attached to one edge portion of the bag, and has a liquid outlet portion for leading out the liquid to a liquid ejection apparatus, a spacer member arranged in the liquid storage portion, and a liquid outlet tube that constitutes a flow path of liquid extending in the liquid storage portion from the liquid outlet member toward the spacer member. The spacer member is arranged at a position separated from an end portion of the liquid storage portion, and at least one directing channel extending from the end portion side of the liquid storage portion in a direction approaching the spacer member is formed in the liquid storage portion.Type: GrantFiled: December 18, 2018Date of Patent: June 9, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Takumi Nagashima, Hiroyuki Kawate, Hiroyushi Ozeki, Manabu Yamaguchi
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Publication number: 20200139716Abstract: Convenience of an ink bottle and a bottle set is improved. An ink bottle includes: a container portion that contains ink; a guiding portion that is formed in one end portion of the container portion, and includes an outflow port from which the ink in the container portion flow out; and a cover that covers at least an end portion of the container portion on the opposite side of the guiding portion.Type: ApplicationFiled: December 27, 2019Publication date: May 7, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Taku ISHIZAWA, Tadahiro MIZUTANI, Ryoichi TANAKA, Manabu AKAHANE, Koichi TOBA, Takumi NAGASHIMA, Yoshiaki SHIMIZU, Tadashi WATANABE, Noriyuki FUKASAWA