Patents by Inventor Tomoji Okuda
Tomoji Okuda 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: 11891698Abstract: A surface treatment device includes at least one paddle in a plate shape, in a surface treatment tank, for stirring a surface treatment solution near a substrate by reciprocally moving the paddle with respect to the substrate. The paddle is configured by integrally forming multiple square bars provided in a depth direction or a horizontal direction of the surface treatment solution at regular intervals along the substrate. A liquid draining member for draining a liquid is arranged in at least one side of an end of the paddle.Type: GrantFiled: October 5, 2020Date of Patent: February 6, 2024Assignee: C. Uyemura & Co., Ltd.Inventors: Tomoji Okuda, Daisuke Matsuyama, Masayuki Kiso, Daisuke Hashimoto, Akira Okada, Keita Taniguchi
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Patent number: 11891714Abstract: A holding apparatus for applying an electrolytic plating treatment to a planar workpiece, and the holding apparatus can reduce an amount of plating that is deposited on an edge part of the planar workpiece. The holding apparatus for applying the electrolytic plating treatment to the planar workpiece has a rear member and a front member facing the rear member and having an opening part. The planar workpiece is disposed between the rear member and the front member. The front member has a plurality of electrodes and a plurality of first insulating parts. The plurality of electrodes and the plurality of first insulating parts cover the edge part of the planar workpiece in a width direction of the planar workpiece.Type: GrantFiled: October 1, 2020Date of Patent: February 6, 2024Assignee: C. UYEMURA & CO., LTD.Inventors: Daisuke Matsuyama, Daisuke Hashimoto, Kazuyoshi Nishimoto, Tomoji Okuda
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Patent number: 11887882Abstract: An object of the present invention is to provide a holding jig that is used for applying a liquid bath treatment to a planar workpiece, has good cleaning capabilities, and avoids intimate contact of the planar workpiece with a rear member of the holding jig so that the planar workpiece can be easily detached from the holding jig after cleaning. A holding jig is used for applying a liquid bath treatment to a planar workpiece. The holding jig comprises a rear member, and a front member that faces the rear member and has an opening portion. The planar workpiece is disposed between the rear member and the front member, and the rear member has a plurality of projections formed on the surface of the rear member facing the front member.Type: GrantFiled: November 14, 2019Date of Patent: January 30, 2024Assignee: C. UYEMURA & CO., LTD.Inventors: Daisuke Matsuyama, Daisuke Hashimoto, Kazuyoshi Nishimoto, Tomoji Okuda
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Patent number: 11427923Abstract: It is configured that a frame body is locked to a back panel by: inserting a number of first pins of the frame body into a number of first holes of the back panel; moving a fastening body outward by a moving mechanism of a lock mechanism; and fitting a notch into a concave portion at the tip of the first pin.Type: GrantFiled: September 18, 2018Date of Patent: August 30, 2022Assignee: C. Uyemura & Co., Ltd.Inventor: Tomoji Okuda
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Patent number: 11389818Abstract: A surface treatment apparatus for subjecting a workpiece immersed at least partly in a solution to a surface treatment has: a spray nozzle facing the workpiece for spraying a treatment solution towards a working surface of the workpiece. The surface treatment apparatus has at least one of: a spray nozzle rotator to rotate the spray nozzle in a plane parallel to the working surface of the workpiece; or a workpiece rotator to rotate the workpiece in a plane perpendicular to a spraying direction of the treatment solution sprayed from the spray nozzle.Type: GrantFiled: August 23, 2018Date of Patent: July 19, 2022Assignee: C. UYEMURA & CO., LTD.Inventors: Tomoji Okuda, Daisuke Matsuyama, Shinji Tachibana, Masayuki Utsumi
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Publication number: 20220119980Abstract: The workpiece holding jig includes a first frame body and a second frame body, both frame bodies each have a body, a conductive member, a contact member provided so as to be able to come into electrical contact with a periphery of a workpiece, and an inner circumferential seal member provided over an entire circumference of the body. Both frame bodies are configured to constitute a seal space for accommodating the periphery of the workpiece, the conductive member of both frame bodies, and the contact member of both frame bodies, in a state where each of the inner circumferential seal members and the contact member abut against the periphery of the workpiece from both sides. The inner circumferential seal member has a contact projection, and an inner surface of the contact projection is slanted outward.Type: ApplicationFiled: October 9, 2019Publication date: April 21, 2022Inventors: Masahiro MURAKOSHI, Tomoji OKUDA, Kazuyoshi NISHIMOTO
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Publication number: 20220098750Abstract: The workpiece holding jig includes a first frame body and a second frame body, both frame bodies each have a body, a conductive member, a contact member provided so as to be able to come into electrical contact with a periphery of a workpiece, and an inner circumferential seal member provided over an entire circumference of the body. Both frame bodies are configured to constitute a seal space for accommodating the periphery of the workpiece, the conductive member of both frame bodies, and the contact member of both frame bodies, in a state where each of the inner circumferential seal members and the contact member abut against the periphery of the workpiece from both sides. The conductive member of each of both frame bodies has a wide and thick shape so as to exhibit a substantially equal resistance value at a discretionary point in an entire circumference.Type: ApplicationFiled: October 9, 2019Publication date: March 31, 2022Inventors: Masahiro MURAKOSHI, Tomoji OKUDA, Kazuyoshi NISHIMOTO
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Publication number: 20220098751Abstract: The workpiece holding jig includes a first frame body and a second frame body. Both frame bodies have a body, a conductive member, a contact member provided so as to be able to come into electrical contact with a periphery of a workpiece, and an inner circumferential seal member provided over an entire circumference of the body. Both frame bodies are configured to constitute a seal space for accommodating the periphery of the workpiece, the conductive member of both frame bodies, and the contact member of both frame bodies, in a state where each of the inner circumferential seal members and the contact member abut against the periphery of the workpiece from both sides. The first frame body and/or the second frame body has a liquid inlet port for filling the seal space with a liquid, and has an exhaust port for exhausting air in the seal space.Type: ApplicationFiled: October 9, 2019Publication date: March 31, 2022Inventors: Masahiro MURAKOSHI, Tomoji OKUDA, Kazuyoshi NISHIMOTO
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Patent number: 11173513Abstract: The purpose of the present invention is to provide a surface treatment device and a paddle with improved strength and uniform plating thickness by uniformly stirring surface treatment solution near an object to be plated. Also, the purpose of the present invention is to provide a surface treatment method capable of stirring for a long period of time, by uniformizing plating thickness, and by improving a strength of a paddle.Type: GrantFiled: March 28, 2019Date of Patent: November 16, 2021Assignee: C. Uyemura & Co., Ltd.Inventors: Tomoji Okuda, Daisuke Matsuyama, Masayuki Kiso, Daisuke Hashimoto, Akira Okada, Keita Taniguchi
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Publication number: 20210102295Abstract: A surface treatment device includes at least one paddle in a plate shape, in a surface treatment tank, for stirring a surface treatment solution near an object to be plated by reciprocally moving the paddle with respect to the object to be plated. The paddle is configured by integrally forming multiple square bars provided in a depth direction or a horizontal direction of the surface treatment solution at regular intervals along the object to be plated. A liquid draining member for draining a liquid is arranged in at least one side of an end of the paddle.Type: ApplicationFiled: October 5, 2020Publication date: April 8, 2021Inventors: Tomoji Okuda, Daisuke Matsuyama, Masayuki Kiso, Daisuke Hashimoto, Akira Okada, Keita Taniguchi
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Publication number: 20210102306Abstract: A holding apparatus for applying an electrolytic plating treatment to a planar workpiece, and the holding apparatus can reduce an amount of plating that is deposited on an edge part of the planar workpiece. The holding apparatus for applying the electrolytic plating treatment to the planar workpiece has a rear member and a front member facing the rear member and having an opening part. The planar workpiece is disposed between the rear member and the front member. The front member has a plurality of electrodes and a plurality of first insulating parts. The plurality of electrodes and the plurality of first insulating parts cover the edge part of the planar workpiece in a width direction of the planar workpiece.Type: ApplicationFiled: October 1, 2020Publication date: April 8, 2021Inventors: Daisuke MATSUYAMA, Daisuke HASHIMOTO, Kazuyoshi NISHIMOTO, Tomoji OKUDA
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Patent number: 10773280Abstract: An ultrasonic treatment apparatus including: an ultrasonic bath for performing an ultrasonic treatment on a treatment target object; a first ultrasonic vibrator provided on the front surface side of the treatment target object; and a second ultrasonic vibrator provided on the back surface side of the treatment target object; wherein the first ultrasonic vibrator does not face the second ultrasonic vibrator.Type: GrantFiled: November 1, 2017Date of Patent: September 15, 2020Assignee: C. UYEMURA & CO., LTD.Inventors: Hisamitsu Yamamoto, Masayuki Utsumi, Yoshikazu Saijo, Tomoji Okuda, Yutaka Nishinaka, Yoshinori Nakanishi
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Publication number: 20200276608Abstract: A surface treatment apparatus for subjecting a workpiece immersed at least partly in a solution to a surface treatment has: a spray nozzle facing the workpiece for spraying a treatment solution towards a working surface of the workpiece. The surface treatment apparatus has at least one of: a spray nozzle rotator to rotate the spray nozzle in a plane parallel to the working surface of the workpiece; or a workpiece rotator to rotate the workpiece in a plane perpendicular to a spraying direction of the treatment solution sprayed from the spray nozzle.Type: ApplicationFiled: August 23, 2018Publication date: September 3, 2020Inventors: Tomoji OKUDA, Daisuke MATSUYAMA, Shinji TACHIBANA, Masayuki UTSUMI
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Publication number: 20200248331Abstract: It is configured that a frame body is locked to a back panel by: inserting a number of first pins of the frame body into a number of first holes of the back panel; moving a fastening body outward by a moving mechanism of a lock mechanism; and fitting a notch into a concave portion at the tip of the first pin.Type: ApplicationFiled: September 18, 2018Publication date: August 6, 2020Inventor: Tomoji OKUDA
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Publication number: 20200168499Abstract: An object of the present invention is to provide a holding jig that is used for applying a liquid bath treatment to a planar workpiece, has good cleaning capabilities, and avoids intimate contact of the planar workpiece with a rear member of the holding jig so that the planar workpiece can be easily detached from the holding jig after cleaning. A holding jig is used for applying a liquid bath treatment to a planar workpiece. The holding jig comprises a rear member, and a front member that faces the rear member and has an opening portion. The planar workpiece is disposed between the rear member and the front member, and the rear member has a plurality of projections formed on the surface of the rear member facing the front member.Type: ApplicationFiled: November 14, 2019Publication date: May 28, 2020Inventors: Daisuke MATSUYAMA, Daisuke HASHIMOTO, Kazuyoshi NISHIMOTO, Tomoji OKUDA
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Publication number: 20200149180Abstract: A workpiece holding jig includes a back panel and a frame body, the frame body includes a main body having an annular shape, a conductive member provided all over the main body, a contact member provided along the conductive member, the contact member being electrically connected to the conductive member to come into electrical contact with a peripheral portion of the workpiece, and a seal member provided all over the main body and located on an inner side of the main body relative to the contact member, the frame body is adapted to form a sealed space that accommodates the peripheral portion of the workpiece, the conductive member, and the contact member in a state where the seal member and the contact member are in contact with the peripheral portion, and the frame body includes a liquid inlet through which a liquid is injected into the sealed space.Type: ApplicationFiled: May 23, 2018Publication date: May 14, 2020Inventors: Kazuyoshi NISHIMOTO, Shinji TACHIBANA, Masahiro MURAKOSHI, Tomoji OKUDA
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Patent number: 10477695Abstract: A drying apparatus of the present invention includes a drying tank for performing drying processing of a workpiece, a fixture for the workpiece, heating means opposed to a front surface of the workpiece, and heating means opposed to a back surface of the workpiece, wherein each heating means is inclined from a horizontal line in its longitudinal direction.Type: GrantFiled: October 17, 2017Date of Patent: November 12, 2019Assignee: C. UYEMURA & CO., LTD.Inventors: Masayuki Utsumi, Tomoji Okuda, Yutaka Nishinaka, Daisuke Matsuyama
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Publication number: 20190309435Abstract: The purpose of the present invention is to provide a surface treatment device and a paddle with improved strength and uniform plating thickness by uniformly stirring surface treatment solution near an object to be plated. Also, the purpose of the present invention is to provide a surface treatment method capable of stirring for a long period of time, by uniformizing plating thickness, and by improving a strength of a paddle.Type: ApplicationFiled: March 28, 2019Publication date: October 10, 2019Inventors: Tomoji Okuda, Daisuke Matsuyama, Masayuki Kiso, Daisuke Hashimoto, Akira Okada, Keita Taniguchi
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Publication number: 20180133760Abstract: An ultrasonic treatment apparatus including: an ultrasonic bath for performing an ultrasonic treatment on a treatment target object; a first ultrasonic vibrator provided on the front surface side of the treatment target object; and a second ultrasonic vibrator provided on the back surface side of the treatment target object; wherein the first ultrasonic vibrator does not face the second ultrasonic vibrator.Type: ApplicationFiled: November 1, 2017Publication date: May 17, 2018Inventors: Hisamitsu YAMAMOTO, Masayuki UTSUMI, Yoshikazu SAIJO, Tomoji OKUDA, Yutaka NISHINAKA, Yoshinori NAKANISHI
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Publication number: 20180110128Abstract: A drying apparatus of the present invention includes a drying tank for performing drying processing of a workpiece, a fixture for the workpiece, heating means opposed to a front surface of the workpiece, and heating means opposed to a back surface of the workpiece, wherein each heating means is inclined from a horizontal line in its longitudinal direction.Type: ApplicationFiled: October 17, 2017Publication date: April 19, 2018Inventors: Masayuki UTSUMI, Tomoji OKUDA, Yutaka NISHINAKA, Daisuke MATSUYAMA