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: 20240383254Abstract: An ink refill container for refilling a printer with ink, includes: a container body; an ink-outlet forming portion including a tubular portion and a valve located in an ink outlet; and a cap configured to be detachably attached to the ink-outlet forming portion. The cap includes an inner top-surface portion. The inner top-surface portion includes a center protrusion configured to push the valve to open the valve, an annular protrusion configured to be in contact with the tubular portion to seal the tubular portion, and at least one of an annular peripheral wall portion and a plurality of ribs. A gap between the center protrusion and the peripheral wall portion or each of gaps between the ribs has a shape of a recess. The recess has a bottom on the inner top-surface portion side and an opening open toward the ink-outlet forming portion and is configured to hold ink.Type: ApplicationFiled: May 17, 2024Publication date: November 21, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Tadashi WATANABE, Tadahiro MIZUTANI, Yoshihiro KOIZUMI, Yuta KOIKE
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Patent number: 12148545Abstract: A conductive wire for electrical properties testing having high hardness and conductivity, which is composed of a copper alloy, and includes in its outer periphery portion a fibrous structure extending at an angle of 0.5 to 20 degrees with respect to the length direction of the conductive wire.Type: GrantFiled: March 22, 2023Date of Patent: November 19, 2024Assignee: SWCC CorporationInventors: Yoshihiro Sakagami, Go Odachi, Rikuya Watanabe, Tsutomu Koizumi, Ryuichi Arai
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Publication number: 20240331891Abstract: An object of the present invention is to provide a conductive wire for electrical properties testing and having high hardness and high conductivity. A conductive wire for electrical properties testing that achieves the above object is composed of a copper alloy, and includes in its outer periphery portion a fibrous structure extending at an angle of 0.5 to 20 degrees with respect to the length direction of the conductive wire.Type: ApplicationFiled: March 22, 2023Publication date: October 3, 2024Inventors: Yoshihiro SAKAGAMI, Go ODACHI, Rikuya WATANABE, Tsutomu KOIZUMI, Ryuichi ARAI
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Patent number: 12103312Abstract: 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: GrantFiled: September 16, 2022Date of Patent: October 1, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Tadahiro Mizutani, Yoshihiro Koizumi, Taku Ishizawa, Tadashi Watanabe
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LABORATORY OPERATION MANAGEMENT SYSTEM, OPERATION MANAGEMENT SERVER, AND OPERATION MANAGEMENT METHOD
Publication number: 20240264186Abstract: Communication between laboratory technicians is assisted, and cooperation between the laboratory technicians is promoted. Accordingly, in response to an alarm from an automated analysis device: estimating, on the basis of sensor data regularly transmitted from a first mobile device, a status including a location and an action of a first laboratory technician holding the first mobile device that has been registered for a planned handler; estimating, on the basis of sensor data regularly transmitted from a second mobile device, a status including a location and an action of a second laboratory technician holding the second mobile device that has been registered for a helper; and identifying a handler for resolving the alarm of the automated analysis device on the basis of the statuses that the first laboratory technician and the second laboratory technician immediately before a timing where the alarm of the automated analysis device was resolved.Type: ApplicationFiled: May 23, 2022Publication date: August 8, 2024Inventors: Kenji KAWASAKI, Nobuhiro KOIZUMI, Aika NAKAJIMA, Yoshihiro SEKI -
Publication number: 20240227406Abstract: A liquid storage container includes: a liquid storage portion including a storage-portion outer shell for storing liquid inside; and an adapter including an adapter outer shell and an insertion opening that is formed in the adapter outer shell and into which a liquid introduction portion of a container attachment portion is inserted, the storage-portion outer shell has a first-type color in a degree that does not allow light to pass through the storage-portion outer shell, and the adapter outer shell has a second-type color having a color difference with respect to a color of the liquid larger than or equal to a threshold.Type: ApplicationFiled: October 19, 2023Publication date: July 11, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Takumi NAGASHIMA, Yoshihiro KOIZUMI, Shun OYA
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Publication number: 20240208234Abstract: The cartridge is attached to the cartridge attachment through an attaching operation in which the cartridge is completely inserted into the cartridge attachment in an insertion direction, or a horizontal direction, and then a rear portion of the cartridge in the insertion direction is moved in a rotation attaching direction containing a gravity-directional component with a deep side of the cartridge in the insertion direction used as a rotation fulcrum. This cartridge includes: a main body a liquid reservoir that is disposed inside the main body; a liquid inlet that is formed across the main body and leads to an interior of the liquid reservoir; a liquid reservoir body that includes a liquid supply section through which communicates with the liquid reservoir; and an adapter that is mounted on the liquid reservoir body and has an insertion aperture into which the liquid introduction section is to be inserted.Type: ApplicationFiled: December 22, 2023Publication date: June 27, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Takumi NAGASHIMA, Yoshihiro KOIZUMI, Shun OYA
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Publication number: 20240184240Abstract: An attachment that is detachably mounted to a cartridge mounting unit of a printing apparatus, the cartridge mounting unit including a liquid introduction portion that receives a liquid, and a restricting mechanism that restricts a rotation movement of an incompatible cartridge in a rotation mounting direction to be mounted by interfering with the incompatible cartridge, the attachment including a release portion that releases restriction by the restricting mechanism by pushing a part of the restricting mechanism in a pre-determined insertion direction, and a maintaining portion that maintains a mounted state of the attachment in cooperation with the cartridge mounting unit.Type: ApplicationFiled: December 5, 2023Publication date: June 6, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Shun OYA, Yoshihiro KOIZUMI, Tadahiro MIZUTANI, Takumi NAGASHIMA
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Publication number: 20240140102Abstract: A cartridge includes a first operation surface that receives a first load for moving the cartridge in an inserting direction, a main surface that constitutes a top surface positioned on a side of an upward direction in a direction of gravity in an inserted posture, a second operation surface that constitutes the top surface in an inserted posture and is positioned on a side of a downward direction in the direction of gravity with respect to the main surface and that receives a second load for moving the cartridge in a rotational-attachment direction, in which an angle formed by the second operation surface and the inserting direction is smaller than an angle formed by the first operation surface and the inserting direction.Type: ApplicationFiled: March 9, 2022Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Takumi NAGASHIMA, Yoshihiro KOIZUMI, Shun OYA
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Publication number: 20240131850Abstract: A liquid storage container includes: a liquid storage portion including a storage-portion outer shell for storing liquid inside; and an adapter including an adapter outer shell and an insertion opening that is formed in the adapter outer shell and into which a liquid introduction portion of a container attachment portion is inserted, the storage-portion outer shell has a first-type color in a degree that does not allow light to pass through the storage-portion outer shell, and the adapter outer shell has a second-type color having a color difference with respect to a color of the liquid larger than or equal to a threshold.Type: ApplicationFiled: October 18, 2023Publication date: April 25, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Takumi NAGASHIMA, Yoshihiro KOIZUMI, Shun OYA
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Patent number: 11919315Abstract: 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: GrantFiled: March 24, 2022Date of Patent: March 5, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Tadahiro Mizutani, Yoshihiro Koizumi, Shun Oya, Takumi Nagashima
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Publication number: 20240066881Abstract: A cartridge including a first guide rib and a second guide rib that extend in the Y direction and project outward in the X direction. In an attachment state in which a cap is attached to the cartridge, the cap includes a sealing wall having a liquid holding portion that faces the liquid supply portion, a first projecting rib projecting in a direction opposite to a projecting direction of the first guide rib, a second projecting rib projecting in a direction opposite to a projecting direction of the second guide rib, a first recessed portion that is formed between the sealing wall and the first projecting rib and accommodates the first guide rib, and a second recessed portion that is formed between the sealing wall and the second projecting rib and accommodates the second guide rib.Type: ApplicationFiled: August 24, 2023Publication date: February 29, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Tadahiro MIZUTANI, Yoshihiro KOIZUMI, Shun OYA, Takumi NAGASHIMA, Hiroto HANBA
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Publication number: 20240025178Abstract: There is provided an ink replenishment container for replenishing an ink by engaging with an engaging portion included in a printer. The ink replenishment container includes a cylindrical ink outlet, a wall disposed around the ink outlet outside the ink outlet in a radial direction around a central axis of the ink outlet and extending in an axial direction along the central axis, and a recess-and-projection portion disposed in at least one location of an outer peripheral surface of the ink outlet, an inner peripheral surface of the wall, and a space between the outer peripheral surface of the ink outlet and the inner peripheral surface of the wall, the recess-and-projection portion engaging with the engaging portion of the printer, in a state where the printer is replenished with the ink.Type: ApplicationFiled: July 20, 2023Publication date: January 25, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Tadahiro MIZUTANI, Yoshihiro KOIZUMI
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Patent number: 11878535Abstract: 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: GrantFiled: March 18, 2022Date of Patent: January 23, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Takumi Nagashima, Yoshihiro Koizumi, Shun Oya
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Patent number: 11850865Abstract: 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: GrantFiled: March 29, 2022Date of Patent: December 26, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Shun Oya, Tadahiro Mizutani, Yoshihiro Koizumi, Takumi Nagashima
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Publication number: 20230398783Abstract: A technique for preventing a decrease in an amount of liquid contained in a cartridge is provided. The cartridge includes a liquid containing portion and a liquid supply portion. The liquid supply portion is coupled to the liquid inlet portion due to rotational movement of a containing-portion-rear-wall side of the cartridge downward around a rotation fulcrum, which is located on the insertion direction side, of the cartridge mounting portion. In the insertion direction, a first distance between a liquid flowing-in port and a rear wall inner surface, which is an inner surface of a containing portion rear wall, is shorter than a second distance between the liquid flowing-in port and a front wall inner surface, which is an inner surface of a containing portion front wall.Type: ApplicationFiled: October 11, 2021Publication date: December 14, 2023Applicant: SEIKO EPSON CORPORATIONInventors: Takumi NAGASHIMA, Yoshihiro KOIZUMI, Shun OYA
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Patent number: 11807015Abstract: 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: GrantFiled: March 18, 2022Date of Patent: November 7, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Takumi Nagashima, Yoshihiro Koizumi, Shun Oya, Hiroto Hanba
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Patent number: D1016139Type: GrantFiled: January 28, 2022Date of Patent: February 27, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Takumi Nagashima, Yoshihiro Koizumi, Shun Oya
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Patent number: D1016141Type: GrantFiled: January 28, 2022Date of Patent: February 27, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Takumi Nagashima, Yoshihiro Koizumi, Shun Oya, Wataru Suzuki
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Patent number: D1049218Type: GrantFiled: January 31, 2022Date of Patent: October 29, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Takumi Nagashima, Yoshihiro Koizumi, Shun Oya, Wataru Suzuki