Patents by Inventor Satoshi Koga
Satoshi Koga 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: 20240120646Abstract: There is provided a metal plate antenna transmitting and receiving wireless signals conforming to a prescribed communication standard, wherein an antenna width is designed to satisfy radiation resistance achieving a prescribed standing wave ratio in a resonant mode in which a loop length of the metal plate antenna is 1.5 wavelength of a wireless signal conforming to the prescribed communication standard.Type: ApplicationFiled: September 6, 2023Publication date: April 11, 2024Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Koji INAFUNE, Kenichi KOGA, Tatsuya KOIKE, Satoshi MORI
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Patent number: 11942700Abstract: An antenna apparatus includes a ground substrate, a feeding point provided on the ground substrate, a first loop antenna of which one end is electrically connected to the feeding point and of which another end is electrically connected to the ground substrate and moreover which operates at a first frequency, and a second loop antenna of which both ends are respectively connected to a first end point and a second end point of the first loop antenna and which operates at a second frequency. A space between the first end point and the second end point forms a gap with a range in which the first loop antenna is capable of resonating at the first frequency.Type: GrantFiled: April 21, 2022Date of Patent: March 26, 2024Assignee: FCNT LIMITEDInventors: Takahiro Shinojima, Yohei Koga, Satoshi Sakita, Tabito Tonooka, Yasumitsu Ban, Manabu Yoshikawa
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Publication number: 20230418213Abstract: A cartridge includes a container, a light guide including incident and emergent portions, and a cover including outer and inner surfaces. When a direction directing from the outer surface toward the inner surface is a first direction, and a direction in which the incident and emergent portions are arranged is a second direction, (i) the outer surface is recessed toward a downstream side of the first direction between the incident and emergent portions, (ii) a first end of a bottom of the recessed portion on an incident portion side is positioned on a side downstream with respect to the first direction, of a second end of the bottom on an emergent portion side, and (iii) the bottom is curved so as to be recessed toward the downstream side of the first direction between the first and second ends relative to an imaginary rectilinear line connecting these ends.Type: ApplicationFiled: June 8, 2023Publication date: December 28, 2023Inventors: YUKO HARADA, RYUTA MURAKAMI, MASAKAZU TATSUMI, AKIRA YOSHIMURA, SATOSHI KOGA
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Publication number: 20230418216Abstract: An image forming apparatus includes an apparatus body including a first positioning portion, a first cartridge including a developer bearing member, and a second positioning portion, the first cartridge being attachable to and detachable from the apparatus body, and a second cartridge including a storage portion configured to accommodate the developer, a first positioned portion, and a second positioned portion. The second cartridge is configured to be attached to and detached from the apparatus body in a state where the first cartridge is attached to the apparatus body, and a position of the second cartridge in the attachment direction and an orthogonal direction orthogonal to the attachment direction with respect to the apparatus body and the first cartridge is determined by the first positioning portion and the second positioning portion coming into contact with the first positioned portion and the second positioned portion, respectively.Type: ApplicationFiled: June 21, 2023Publication date: December 28, 2023Inventors: SATOSHI KOGA, NAOKI MAEDA
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Patent number: 11592782Abstract: An image forming apparatus includes a cartridge and a main body into which the cartridge is removably installed. The cartridge includes a first unit and a second unit that is movably connected to the first unit. The main body includes a rotating member, a supporting member disposed at a position away from the rotating member, and a swingable member that is pivotally movable about the supporting member and configured to be moved by the rotating member. The swingable member is movable between a first position at which the swingable member is in contact with the second unit and a second position at which the swingable member is retracted from the first position. Installation and removal of the cartridge into and from the main body is enabled in a state where the swingable member is at the first position and is supported by the rotating member.Type: GrantFiled: March 2, 2022Date of Patent: February 28, 2023Assignee: CANON KABUSHIKI KAISHAInventor: Satoshi Koga
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Publication number: 20220291626Abstract: An image forming apparatus includes a cartridge and a main body into which the cartridge is removably installed. The cartridge includes a first unit and a second unit that is movably connected to the first unit. The main body includes a rotating member, a supporting member disposed at a position away from the rotating member, and a swingable member that is pivotally movable about the supporting member and configured to be moved by the rotating member. The swingable member is movable between a first position at which the swingable member is in contact with the second unit and a second position at which the swingable member is retracted from the first position. Installation and removal of the cartridge into and from the main body is enabled in a state where the swingable member is at the first position and is supported by the rotating member.Type: ApplicationFiled: March 2, 2022Publication date: September 15, 2022Inventor: Satoshi Koga
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Publication number: 20220112041Abstract: A sheet feeding apparatus includes a sheet containing unit and a sheet feeding device to feed sheets in the sheet containing unit. The sheet containing unit includes a main body to hold sheets, a drawer member capable of being drawn from the main body, a restricting member movable in a direction parallel to a sheet feeding direction, a first retaining member disposed at the main body, and a second retaining member disposed at the drawer member. The drawer member holds the sheets together with the main body when drawn from the main body. The restricting member restricts an upstream end position of the contained sheets. The first retaining member retains the restricting member at a first position. The second retaining member retains the restricting member at a second position.Type: ApplicationFiled: December 22, 2021Publication date: April 14, 2022Inventor: Satoshi Koga
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Patent number: 11268874Abstract: Provided is a defect judging unit for a measuring probe including: a stylus; four detection elements; and a signal processing part. The defect judging unit includes a defect judging part configured to compare four judged signals corresponding to the generated signals with predetermined thresholds when the object to be measured and the contact part are out of contact with each other and judge that a defect exists if any of the judged signals is greater than the predetermined threshold, and a judged result output part configured to output a judged result of the defect judging part. According to this configuration, the defect judging unit of the measuring probe and the defect judging method thereof capable of ensuring measurement reliability with a simple configuration are provided.Type: GrantFiled: June 4, 2020Date of Patent: March 8, 2022Assignee: MITUTOYO CORPORATIONInventors: Akinori Saito, Satoshi Koga, Hiroyuki Kanamori
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Patent number: 11230450Abstract: A sheet feeding apparatus includes a sheet containing unit and a sheet feeding device to feed sheets in the sheet containing unit. The sheet containing unit includes a main body to hold sheets, a drawer member capable of being drawn from the main body, a restricting member movable in a direction parallel to a sheet feeding direction, a first retaining member disposed at the main body, and a second retaining member disposed at the drawer member. The drawer member holds the sheets together with the main body when drawn from the main body. The restricting member restricts an upstream end position of the contained sheets. The first retaining member retains the restricting member at a first position. The second retaining member retains the restricting member at a second position.Type: GrantFiled: August 13, 2019Date of Patent: January 25, 2022Assignee: Canon Kabushiki KaishaInventor: Satoshi Koga
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Patent number: 11047678Abstract: In a probe unit having a measuring probe, a signal processing circuit includes: a signal synthesizing portion configured to process an output of a detection element to output a composite signal obtained by synthesizing displacement components of a contact part in three directions perpendicular to one another; and a signal outputting portion configured to output a digital touch signal to the outside of the probe unit when the composite signal satisfies a predetermined threshold condition. The signal outputting portion includes three comparing portions each configured to compare a threshold condition with the composite signal. When the measuring probe measures the object to be measured, the signal outputting portion outputs the digital touch signal corresponding to outputs of the first and second comparing portions. Thus, there can be provided a probe unit and a measuring system that can stably make measurements with high accuracy while keeping high noise resistance.Type: GrantFiled: November 21, 2019Date of Patent: June 29, 2021Assignee: MITUTOYO CORPORATIONInventors: Satoshi Koga, Akinori Saito, Hiroyuki Kanamori
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Publication number: 20200386646Abstract: Provided is a defect judging unit for a measuring probe including: a stylus; four detection elements; and a signal processing part. The defect judging unit includes a defect judging part configured to compare four judged signals corresponding to the generated signals with predetermined thresholds when the object to be measured and the contact part are out of contact with each other and judge that a defect exists if any of the judged signals is greater than the predetermined threshold, and a judged result output part configured to output a judged result of the defect judging part. According to this configuration, the defect judging unit of the measuring probe and the defect judging method thereof capable of ensuring measurement reliability with a simple configuration are provided.Type: ApplicationFiled: June 4, 2020Publication date: December 10, 2020Applicant: MITUTOYO CORPORATIONInventors: Akinori SAITO, Satoshi KOGA, Hiroyuki KANAMORI
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Patent number: 10852119Abstract: A coordinate measuring probe body includes a rigid probe body structure including an upper mounting portion, a compliant element mounting frame, and an axial extension portion between them. A stylus suspension portion includes compliant elements that suspend a moving element from the compliant element mounting frame. A displacement sensing arrangement that senses displacement of the moving element includes displacement sensors that output a respective displacement signals. A circuit board assembly that receives the displacement signals has three component mounting portions which are interconnected with a flexible circuit component, and located around the axial extension portion. In various embodiments, all of the compliant elements are located on a distal side of the circuit board assembly.Type: GrantFiled: April 18, 2017Date of Patent: December 1, 2020Assignee: Mitutoyo CorporationInventors: Scott Allen Harsila, Richard Alan Wissner, Bjorn Erik Bertil Jansson, Satoshi Koga, Akinori Saito
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Patent number: 10726983Abstract: A rare earth magnet capable of reducing an eddy current loss by virtue of a low-cost, simple configuration, when mounted in a motor, is to be provided. The rare earth magnet can include a magnet body that includes a rare earth element and iron; and a resistive layer formed on at least one surface of the magnet body, the resistive layer comprising a rare earth element, iron, and oxygen and having an average volume resistivity of 103 ?cm or more and a thickness of from 3 to 25 ?m.Type: GrantFiled: February 23, 2017Date of Patent: July 28, 2020Assignee: TDK CORPORATIONInventors: Jun Hagiwara, Fumitaka Baba, Makoto Iwasaki, Satoshi Koga
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Publication number: 20200166336Abstract: In a probe unit having a measuring probe, a signal processing circuit includes: a signal synthesizing portion configured to process an output of a detection element to output a composite signal obtained by synthesizing displacement components of a contact part in three directions perpendicular to one another; and a signal outputting portion configured to output a digital touch signal to the outside of the probe unit when the composite signal satisfies a predetermined threshold condition. The signal outputting portion includes three comparing portions each configured to compare a threshold condition with the composite signal. When the measuring probe measures the object to be measured, the signal outputting portion outputs the digital touch signal corresponding to outputs of the first and second comparing portions. Thus, there can be provided a probe unit and a measuring system that can stably make measurements with high accuracy while keeping high noise resistance.Type: ApplicationFiled: November 21, 2019Publication date: May 28, 2020Applicant: MITUTOYO CORPORATIONInventors: Satoshi KOGA, Akinori SAITO, Hiroyuki KANAMORI
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Patent number: 10656587Abstract: A sheet conveying device includes a supporting shaft, a rotating unit removable from an installation portion, a movable shaft, and an interlocking device. The rotating unit includes first and second ends, a holding member that holds a rotating body that conveys a sheet. The supporting shaft supports the rotating unit at the first end in an axial direction of the rotating body. The movable shaft is movable in the axial direction and supports the second end. The interlocking device moves the movable shaft per the rotating unit movement. Where the rotating unit is to be moved at a moving amount towards a side in which the rotating unit separates from the supporting shaft as part of removing the rotating unit from the installation portion, the interlocking device moves the movable shaft in the axial direction at a moving amount that is larger than the moving amount the rotating unit.Type: GrantFiled: September 17, 2018Date of Patent: May 19, 2020Assignee: Canon Kabushiki KaishaInventor: Satoshi Koga
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Patent number: 10611587Abstract: A sheet feeding apparatus is provided with a disengaging mechanism configured to disengage a conveyance member and a separating member to be apart from each other. Either one of the conveyance member and the separating member is provided in a unit, which is attached to an apparatus body and is configured to be detached from the apparatus body toward a downstream side in the sheet conveyance direction, while the other provided in the apparatus body. A restriction portion is configured to restrict the unit from being attached to and detached from the apparatus body in a state where the conveyance member and the separating member are in contact with each other and to permit the unit to be attached to and detached from the apparatus body in a state where the conveyance member and the separating member are disengaged by the disengaging mechanism.Type: GrantFiled: August 29, 2018Date of Patent: April 7, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Hiroki Kato, Hidehiro Ushiozu, Akira Matsushima, Satoshi Koga
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Publication number: 20190359438Abstract: A sheet feeding apparatus includes a sheet containing unit and a sheet feeding device to feed sheets in the sheet containing unit. The sheet containing unit includes a main body to hold sheets, a drawer member capable of being drawn from the main body, a restricting member movable in a direction parallel to a sheet feeding direction, a first retaining member disposed at the main body, and a second retaining member disposed at the drawer member. The drawer member holds the sheets together with the main body when drawn from the main body. The restricting member restricts an upstream end position of the contained sheets. The first retaining member retains the restricting member at a first position. The second retaining member retains the restricting member at a second position.Type: ApplicationFiled: August 13, 2019Publication date: November 28, 2019Inventor: Satoshi Koga
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Patent number: 10479626Abstract: A sheet feeding apparatus includes a sheet containing unit and a sheet feeding device to feed sheets in the sheet containing unit. The sheet containing unit includes a main body to hold sheets, a drawer member capable of being drawn from the main body, a restricting member movable in a direction parallel to a sheet feeding direction, a first retaining member disposed at the main body, and a second retaining member disposed at the drawer member. The drawer member holds the sheets together with the main body when drawn from the main body. The restricting member restricts an upstream end position of the contained sheets. The first retaining member retains the restricting member at a first position. The second retaining member retains the restricting member at a second position.Type: GrantFiled: March 26, 2018Date of Patent: November 19, 2019Assignee: Canon Kabushiki KaishaInventor: Satoshi Koga
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Patent number: 10415949Abstract: A measuring probe includes two supporting members, each having a rotationally symmetric shape and allowing for an attitude change of a stylus, in an axial direction of a probe housing. Four detection elements are disposed at fourfold symmetric positions in one of the two supporting members that includes four deformable arm parts. A signal processing circuit includes a first processing part that processes outputs of the detection elements to output three displacement signals representing displacement components of a contact part in mutually perpendicular three directions, respectively. The measuring probe capable of reducing measurement directional dependency of sensitivity with a simple configuration while maintaining high sensitivity is thus provided.Type: GrantFiled: February 23, 2017Date of Patent: September 17, 2019Assignee: MITUTOYO CORPORATIONInventors: Satoshi Koga, Akinori Saito, Hiroyuki Kanamori, Yutaka Kuriyama, Nobuhiro Ishikawa
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Patent number: 10393495Abstract: A measuring probe includes: a stylus having a contact part to be brought into contact with an object to be measured; a probe housing capable of supporting the stylus on an axial center; and a detection element capable of detecting a movement of the contact part. The measuring probe further includes: two supporting members disposed in an axial direction of the probe housing, the supporting member allowing for an attitude change of the stylus; and a coupling shaft for coupling the two supporting members together. The detection element is disposed in one of the two supporting members that is farthest away from a rotational center position of rotation generated in the stylus when a measuring force is applied to the contact part from a direction perpendicular to the axial direction, to detect a strain amount of the one of the two supporting members.Type: GrantFiled: February 23, 2017Date of Patent: August 27, 2019Assignee: MITUTOYO CORPORATIONInventors: Satoshi Koga, Akinori Saito, Hiroyuki Kanamori, Yutaka Kuriyama, Nobuhiro Ishikawa