Patents by Inventor Katsumi Ohmori
Katsumi Ohmori 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: 20240019661Abstract: A lens apparatus includes a shift lens movable in a direction orthogonal to an optical axis of an imaging optical system, an actuator configured to drive the shift lens in a plane orthogonal to the optical axis, a memory storing instructions, and a processor configured to execute the instructions to control the actuator. The actuator includes a first actuator configured to drive the shift lens in a first direction within the plane, and a second actuator configured to drive the shift lens in a second direction within the plane. In driving the shift lens in a third direction different from the first direction and the second direction, the processor controls the actuator so that the first actuator and the second actuator are not simultaneously driven.Type: ApplicationFiled: June 7, 2023Publication date: January 18, 2024Inventors: Katsumi OHMORI, Masayasu MIZUSHIMA, Yuichiro KATO, Toshimune NAGANO
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Publication number: 20220299847Abstract: A lens apparatus includes a tripod mount, a cylindrical member supported rotatably around an optical axis on the tripod mount, a roller housed in the tripod mount and including a rolling bearing and a shaft member engaged with the rolling bearing, a roller holding member configured to rotatably hold the roller, and a biasing member configured to bias the roller against the cylindrical member via the roller holding member.Type: ApplicationFiled: June 8, 2022Publication date: September 22, 2022Inventor: Katsumi Ohmori
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Patent number: 11385528Abstract: A lens apparatus includes a tripod mount, a cylindrical member supported rotatably around an optical axis on the tripod mount, a roller housed in the tripod mount and including a rolling bearing and a shaft member engaged with the rolling bearing, a roller holding member configured to rotatably hold the roller, and a biasing member configured to bias the roller against the cylindrical member via the roller holding member.Type: GrantFiled: December 3, 2018Date of Patent: July 12, 2022Assignee: CANON KABUSHIKI KAISHAInventor: Katsumi Ohmori
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Publication number: 20210215946Abstract: Provided is a lens apparatus including: a movable frame configured to hold a lens; driving coils configured to move the movable frame during image blur correction; a guide barrel which is made of a non-magnetic conductive material, and is configured to support the driving coils; and a horizontal stripe noise reducing plate including: a flat surface portion located on one side of the driving coils in a direction of an optical axis of the lens; and an extending portion located on one side of each of the driving coils in a direction perpendicular to the optical axis, wherein the guide barrel is adjacent to the driving coils on another side of the driving coils in the direction perpendicular to the optical axis.Type: ApplicationFiled: January 12, 2021Publication date: July 15, 2021Inventor: Katsumi Ohmori
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Patent number: 11016365Abstract: A lens apparatus includes a conductive mount member, and a nonconductive fixed member fixed onto the mount member and having a conductive pattern.Type: GrantFiled: October 21, 2019Date of Patent: May 25, 2021Assignee: CANON KABUSHIKI KAISHAInventor: Katsumi Ohmori
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Publication number: 20200133096Abstract: A lens apparatus includes a conductive mount member, and a nonconductive fixed member fixed onto the mount member and having a conductive pattern.Type: ApplicationFiled: October 21, 2019Publication date: April 30, 2020Inventor: Katsumi Ohmori
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Patent number: 10366888Abstract: A pattern forming method includes forming a first organic film by coating an etching target film with a composition including a polymer including a cross-linkable component, infiltrating an inorganic substance into the first organic film, cross-linking the polymer, forming a second organic film on the first organic film, forming a second organic film pattern by patterning the second organic film, forming a first organic film pattern having a pitch reduced to one-half of a pitch of the second organic film pattern by patterning the first organic film by a self-aligned patterning method that uses the second organic film pattern as a core pattern, forming an etching target film pattern having a pitch reduced to one-half of a pitch of the first organic film pattern by patterning the etching target film by a self-aligned patterning method that uses the first organic film pattern as a core pattern.Type: GrantFiled: June 14, 2018Date of Patent: July 30, 2019Assignees: Tokyo Electron Limited, TOKYO OHKA KOGYO CO., LTD.Inventors: Kazuki Yamada, Masatoshi Yamato, Hidetami Yaegashi, Yoshitaka Komuro, Takehiro Seshimo, Katsumi Ohmori
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Patent number: 10317797Abstract: A pattern forming method includes forming a first film patterned in a line and space shape on an underlayer film, the line and space shape including lines and a space arranged therebetween, forming a second film to cover the first film, removing the second film to form the second film on a side surface of the first film in a line shape, forming a third film to cover the first film and the second film, removing the third film formed on the first film and the second film to form the third film on a side surface of the second film, and converting the third film after removing the third film formed on the first film and the second film, wherein the third film is comprised of an organic metal compound, the organic metal compound having characteristic to increase etching tolerance when the organic metal compound undergoes a predetermined process.Type: GrantFiled: November 20, 2017Date of Patent: June 11, 2019Assignees: Tokyo Electron Limited, TOKYO OHKA KOGYO CO., LTD.Inventors: Hidetami Yaegashi, Kenichi Oyama, Katsumi Ohmori, Yoshitaka Komuro, Takehiro Seshimo
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Publication number: 20190171088Abstract: A lens apparatus includes a tripod mount, a cylindrical member supported rotatably around an optical axis on the tripod mount, a roller housed in the tripod mount and including a rolling bearing and a shaft member engaged with the rolling bearing, a roller holding member configured to rotatably hold the roller, and a biasing member configured to bias the roller against the cylindrical member via the roller holding member.Type: ApplicationFiled: December 3, 2018Publication date: June 6, 2019Inventor: Katsumi Ohmori
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Publication number: 20180374695Abstract: A pattern forming method includes forming a first organic film by coating an etching target film with a composition including a polymer including a cross-linkable component, infiltrating an inorganic substance into the first organic film, cross-linking the polymer, forming a second organic film on the first organic film, forming a second organic film pattern by patterning the second organic film, forming a first organic film pattern having a pitch reduced to one-half of a pitch of the second organic film pattern by patterning the first organic film by a self-aligned patterning method that uses the second organic film pattern as a core pattern, forming an etching target film pattern having a pitch reduced to one-half of a pitch of the first organic film pattern by patterning the etching target film by a self-aligned patterning method that uses the first organic film pattern as a core pattern.Type: ApplicationFiled: June 14, 2018Publication date: December 27, 2018Inventors: Kazuki YAMADA, Masatoshi YAMATO, Hidetami YAEGASHI, Yoshitaka KOMURO, Takehiro SESHIMO, Katsumi OHMORI
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Patent number: 10139587Abstract: The lens barrel includes a first rotatable member rotatable to move a focusing lens in an optical axis direction, a first aperture stop unit including a first light-blocking member and a second rotatable member rotatable to move the first light-blocking member, a third rotatable member to be rotated by receiving a rotation of the first rotatable member, a first mechanism configured to, in the variation of magnification, convert a relative movement of the second and third rotatable members into a rotation of the second rotatable member, and a second mechanism configured to, in the focusing, transmit the rotation of the first rotatable member to the third rotatable member to rotate the third rotatable member and transmit the rotation of the third rotatable member to the second rotatable member to rotate the second rotatable member.Type: GrantFiled: November 21, 2016Date of Patent: November 27, 2018Assignee: CANON KABUSHIKI KAISHAInventor: Katsumi Ohmori
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Patent number: 10100221Abstract: A method of forming a structure containing a phase-separated structure, the method including applying a block copolymer composition including an organic solvent component (S) and a block copolymer in which a block of polystyrene or a polystyrene derivative is bonded to at least one kind of block to a substrate to form a layer containing the block copolymer; and phase-separating the layer containing the block. The value of an interaction distance RaPS(MPa1/2) between the Hansen solubility parameter of the organic solvent component (S) and the Hansen solubility parameter of polystyrene or the polystyrene derivative satisfying the following formula (1). 4.Type: GrantFiled: May 9, 2016Date of Patent: October 16, 2018Assignee: TOKYO OHKA KOGYO CO., LTD.Inventors: Hitoshi Yamano, Tasuku Matsumiya, Tsuyoshi Kurosawa, Taku Hirayama, Ken Miyagi, Katsumi Ohmori
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Patent number: 10101660Abstract: In a method of forming patterns, an object layer is formed on a substrate. Guide patterns are formed on the object layer. A brush layer is formed using a brush polymer on surfaces of the guide patterns. The brush polymer includes at least one of a first brush polymer and a second brush polymer. The first brush polymer includes a hydrophobic repeating unit and a hydrophilic terminal group having at least two hydroxyl groups. The second brush polymer includes a hydrophobic repeating unit and a hydrophilic random repeating unit having a hydroxyl group. A self-aligned layer is formed using a block copolymer on the brush layer to form blocks aligned around the guide patterns. At least a portion of the blocks is transferred to the object layer.Type: GrantFiled: November 8, 2016Date of Patent: October 16, 2018Assignees: Samsung Electronics Co., Ltd., Tokyo Ohka Kogyo Co., Ltd.Inventors: Jeong-Ju Park, Seung-Chul Kwon, Eun-Sung Kim, Kyeong-Mi Lee, Shi-Yong Yi, Tsuyosh Kurosawa, Katsumi Ohmori, Tasuku Matsumiya
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Patent number: 10066096Abstract: A method of producing a structure containing a phase-separated structure, which includes mixing a block copolymer which includes a hydrophobic polymer block and a hydrophilic polymer block and is incapable of forming a phase-separated structure, with a homopolymer compatible with the hydrophilic polymer block or a homopolymer compatible with the hydrophobic polymer block.Type: GrantFiled: March 21, 2016Date of Patent: September 4, 2018Assignee: TOKYO OHKA KOGYO CO., LTD.Inventors: Tsuyoshi Kurosawa, Tasuku Matsumiya, Masahito Yahagi, Hitoshi Yamano, Ken Miyagi, Daiju Shiono, Taku Hirayama, Katsumi Ohmori
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Publication number: 20180143536Abstract: A pattern forming method includes forming a first film patterned in a line and space shape on an underlayer film, the line and space shape including lines and a space arranged therebetween, forming a second film to cover the first film, removing the second film to form the second film on a side surface of the first film in a line shape, forming a third film to cover the first film and the second film, removing the third film formed on the first film and the second film to form the third film on a side surface of the second film, and converting the third film after removing the third film formed on the first film and the second film, wherein the third film is comprised of an organic metal compound, the organic metal compound having characteristic to increase etching tolerance when the organic metal compound undergoes a predetermined process.Type: ApplicationFiled: November 20, 2017Publication date: May 24, 2018Inventors: Hidetami YAEGASHI, Kenichi OYAMA, Katsumi OHMORI, Yoshitaka KOMURO, Takehiro SESHIMO
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Patent number: 9834696Abstract: An undercoat agent including a block copolymer having a plurality of blocks bonded formed on a substrate. The undercoat agent contains a resin component that includes a structural unit having an aromatic ring and a structural unit having no aromatic ring, and the resin component includes a group which can interact with the substrate and does not include a 3 to 7-membered, ether-containing cyclic group; and a method of forming a pattern of a layer containing a block copolymer. The method includes applying an undercoat agent to a substrate to form a layer containing the undercoat agent; forming a layer containing a block copolymer having multiple blocks bonded on a surface of the layer containing the undercoat agent, followed by a phase separation of the layer containing the block copolymer; and selectively removing a phase containing at least one block of multiple blocks constituting the block copolymer.Type: GrantFiled: May 16, 2016Date of Patent: December 5, 2017Assignee: TOKYO OHKA KOGYO CO., LTD.Inventors: Takahiro Senzaki, Ken Miyagi, Tsuyoshi Kurosawa, Daiju Shiono, Tasuku Matsumiya, Kenichiro Miyashita, Katsumi Ohmori
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Patent number: 9816003Abstract: A method of forming a structure containing a phase-separated structure, the method including applying a block copolymer solution to a substrate to form a layer containing a block copolymer and having a film thickness of less than 100 nm; and phase-separating the layer containing the block copolymer, a solvent of the block copolymer solution comprising a poor solvent exhibiting a poor solubility for a homopolymer A of one of the blocks of the block copolymer.Type: GrantFiled: October 22, 2014Date of Patent: November 14, 2017Assignee: TOKYO OHKA KOGYO CO., LTD.Inventors: Tsuyoshi Kurosawa, Daiju Shiono, Ken Miyagi, Tasuku Matsumiya, Hitoshi Yamano, Taku Hirayama, Katsumi Ohmori
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Publication number: 20170153412Abstract: The lens barrel includes a first rotatable member rotatable to move a focusing lens in an optical axis direction, a first aperture stop unit including a first light-blocking member and a second rotatable member rotatable to move the first light-blocking member, a third rotatable member to be rotated by receiving a rotation of the first rotatable member, a first mechanism configured to, in the variation of magnification, convert a relative movement of the second and third rotatable members into a rotation of the second rotatable member, and a second mechanism configured to, in the focusing, transmit the rotation of the first rotatable member to the third rotatable member to rotate the third rotatable member and transmit the rotation of the third rotatable member to the second rotatable member to rotate the second rotatable member.Type: ApplicationFiled: November 21, 2016Publication date: June 1, 2017Inventor: Katsumi Ohmori
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Publication number: 20170129972Abstract: In a method of forming patterns, an object layer is formed on a substrate. Guide patterns are formed on the object layer. A brush layer is formed using a brush polymer on surfaces of the guide patterns. The brush polymer includes at least one of a first brush polymer and a second brush polymer. The first brush polymer includes a hydrophobic repeating unit and a hydrophilic terminal group having at least two hydroxyl groups. The second brush polymer includes a hydrophobic repeating unit and a hydrophilic random repeating unit having a hydroxyl group. A self-aligned layer is formed using a block copolymer on the brush layer to form blocks aligned around the guide patterns. At least a portion of the blocks is transferred to the object layer.Type: ApplicationFiled: November 8, 2016Publication date: May 11, 2017Inventors: Jeong-Ju PARK, Seung-Chul KWON, Eun-Sung KIM, Kyeong-Mi LEE, Shi-Yong YI, Tsuyosh KUROSAWA, Katsumi OHMORI, Tasuku MATSUMIYA
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Publication number: 20160333217Abstract: A method of forming a structure containing a phase-separated structure, the method including applying a block copolymer composition including an organic solvent component (S) and a block copolymer in which a block of polystyrene or a polystyrene derivative is bonded to at least one kind of block to a substrate to form a layer containing the block copolymer; and phase-separating the layer containing the block. The value of an interaction distance RaPS(MPa1/2) between the Hansen solubility parameter of the organic solvent component (S) and the Hansen solubility parameter of polystyrene or the polystyrene derivative satisfying the following formula (1). 4.Type: ApplicationFiled: May 9, 2016Publication date: November 17, 2016Inventors: Hitoshi YAMANO, Tasuku MATSUMIYA, Tsuyoshi KUROSAWA, Taku HIRAYAMA, Ken MIYAGI, Katsumi OHMORI