Patents by Inventor Masaru Otsuka
Masaru Otsuka 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: 10942154Abstract: According to embodiments, an ultrasonic inspection apparatus comprises: an ultrasonic array probe having a plurality of ultrasonic elements; an estimated shape reflected wave arrival time calculator for computing the estimated shape reflected wave arrival time for the estimated shape reflected wave on the basis of the estimated sound velocity in the test object; an actual shape reflected wave arrival time extractor for extracting the actual shape reflected wave arrival time on the basis of the actual shape reflected wave; a shape reflected waves time difference calculator for computing the difference by subtracting the actual shape reflected wave arrival time from the estimated shape reflected wave arrival time as shape reflected waves time difference; and a delay time calculator for computing the delay times for mutually shifting the timings of ultrasonic wave transmission and ultrasonic wave reception by the ultrasonic elements, considering the shape reflected waves time differences.Type: GrantFiled: February 7, 2019Date of Patent: March 9, 2021Assignees: KABUSHIKl KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Setsu Yamamoto, Jun Semboshi, Azusa Sugawara, Kentaro Tsuchihashi, Masaru Otsuka
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Patent number: 10895557Abstract: According to an embodiment, a linear-scan ultrasonic inspection apparatus comprises: an ultrasonic array probe having ultrasonic elements aligned in a first direction; a delay-time calculator configured to calculate, referring to the surface shape of the test object, values of delay time of at least one of transmitting and receiving ultrasonic wave; an overlapping-region adjustor configured to set conditions for generating an image of an overlapping region; and an integrated-image generator configured to generate first image data of a region including the overlapping region. The overlapping-region adjustor is configured to set the conditions of the surface shape to be referred to the delay-time calculator in calculating the values of the delay time at either the first-probe setting position or the second-probe setting position as both of a first acquired shape obtained at the first-probe setting position and a second acquired shape obtained at the second-probe setting position.Type: GrantFiled: August 24, 2018Date of Patent: January 19, 2021Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Setsu Yamamoto, Azusa Sugawara, Jun Semboshi, Kentaro Tsuchihashi, Masaru Otsuka
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Patent number: 10718741Abstract: An ultrasonic flaw detecting apparatus comprises an array prove, an element-group defining circuit, a calculator, a signal receiver and a generator. The array probe comprises a plurality of piezoelectric elements, each of the plurality of piezoelectric elements being configured to transmit and receive an ultrasonic wave to and from an inspection object. The element-group defining circuit is configured to select, as an element group, plural consecutive piezoelectric elements from the plurality of piezoelectric elements, set a reference position of the element group based on array arrangement information of the plurality of piezoelectric elements in the element group and based on a weighting value of each of the plurality of piezoelectric elements in the element group, and calculate a propagation path of an ultrasonic beam from the element group based on the reference position and a predetermined refraction angle.Type: GrantFiled: March 23, 2018Date of Patent: July 21, 2020Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Setsu Yamamoto, Azusa Sugawara, Jun Semboshi, Kentaro Tsuchihashi, Takeshi Hoshi, Masaru Otsuka
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Publication number: 20190242858Abstract: According to embodiments, an ultrasonic inspection apparatus comprises: an ultrasonic array probe having a plurality of ultrasonic elements; an estimated shape reflected wave arrival time calculator for computing the estimated shape reflected wave arrival time for the estimated shape reflected wave on the basis of the estimated sound velocity in the test object; an actual shape reflected wave arrival time extractor for extracting the actual shape reflected wave arrival time on the basis of the actual shape reflected wave; a shape reflected waves time difference calculator for computing the difference by subtracting the actual shape reflected wave arrival time from the estimated shape reflected wave arrival time as shape reflected waves time difference; and a delay time calculator for computing the delay times for mutually shifting the timings of ultrasonic wave transmission and ultrasonic wave reception by the ultrasonic elements, considering the shape reflected waves time differences.Type: ApplicationFiled: February 7, 2019Publication date: August 8, 2019Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Setsu YAMAMOTO, Jun SEMBOSHI, Azusa SUGAWARA, Kentaro TSUCHIHASHI, Masaru OTSUKA
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Publication number: 20190170701Abstract: An ultrasonic flaw detecting apparatus comprises an array prove, an element-group defining circuit, a calculator, a signal receiver and a generator. The array probe comprises a plurality of piezoelectric elements, each of the plurality of piezoelectric elements being configured to transmit and receive an ultrasonic wave to and from an inspection object. The element-group defining circuit is configured to select, as an element group, plural consecutive piezoelectric elements from the plurality of piezoelectric elements, set a reference position of the element group based on array arrangement information of the plurality of piezoelectric elements in the element group and based on a weighting value of each of the plurality of piezoelectric elements in the element group, and calculate a propagation path of an ultrasonic beam from the element group based on the reference position and a predetermined refraction angle.Type: ApplicationFiled: March 23, 2018Publication date: June 6, 2019Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Setsu YAMAMOTO, Azusa SUGAWARA, Jun SEMBOSHI, Kentaro TSUCHIHASHI, Takeshi HOSHI, Masaru OTSUKA
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Publication number: 20190064120Abstract: According to an embodiment, a linear-scan ultrasonic inspection apparatus comprises: an ultrasonic array probe having ultrasonic elements aligned in a first direction; a delay-time calculator configured to calculate, referring to the surface shape of the test object, values of delay time of at least one of transmitting and receiving ultrasonic wave; an overlapping-region adjustor configured to set conditions for generating an image of an overlapping region; and an integrated-image generator configured to generate first image data of a region including the overlapping region. The overlapping-region adjustor is configured to set the conditions of the surface shape to be referred to the delay-time calculator in calculating the values of the delay time at either the first-probe setting position or the second-probe setting position as both of a first acquired shape obtained at the first-probe setting position and a second acquired shape obtained at the second-probe setting position.Type: ApplicationFiled: August 24, 2018Publication date: February 28, 2019Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Setsu YAMAMOTO, Azusa SUGAWARA, Jun SEMBOSHI, Kentaro TSUCHIHASHI, Masaru OTSUKA
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Patent number: 9453819Abstract: An ultrasonic flaw detector including an ultrasonic probe for emitting an ultrasonic wave on an object to be inspected and receiving a reflected ultrasonic wave from the object, a drive element control unit for controlling a plurality of ultrasonic elements to emit an ultrasonic wave from the ultrasonic probe and to control a reflected ultrasonic wave from the object, and a calculation unit for obtaining, by using a refraction angle of the ultrasonic wave at a time of the ultrasonic wave entering the object, an incident position of the ultrasonic wave on a surface of the object, and a surface shape of a surface of the object at the incident position, the incident angle of the ultrasonic wave entering the incident position, and obtaining a plurality of ultrasonic elements to be driven, based on the incident position and the incident angle.Type: GrantFiled: July 13, 2012Date of Patent: September 27, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Setsu Yamamoto, Takahiro Miura, Jun Semboshi, Makoto Ochiai, Satoshi Nagai, Kazumi Watanabe, Tadahiro Mitsuhashi, Hiroyuki Adachi, Satoshi Yamamoto, Junichi Takabayashi, Masaru Otsuka
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Patent number: 9403957Abstract: A sealing material is provided, which maintains excellent sealing property for a long period of time. The sealing material of the invention is characterized by being prepared by vulcanizing and foaming a mixture containing a rubber component containing a copolymer rubber of ethylene, an ?-olefin having 3 or more carbon atoms, and a non-conjugated diene, a vulcanizing agent, and a blowing agent, wherein the mixture contains a thermoplastic resin having a melting point of 80° C. or less.Type: GrantFiled: July 14, 2010Date of Patent: August 2, 2016Assignee: BRIDGESTONE CORPORATIONInventors: Masaru Otsuka, Katsuya Seki, Tomohiro Yamamoto, Youhei Takeda
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Patent number: 9316958Abstract: Provided are charge-controlled polyurethane foam by which the influence of electrification by friction between toner on the surface layer of a toner-conveying roller and a developing roller can be sufficiently prevented and by which a good image can be stably obtained with a low cost, and a toner-conveying roller using the same. The charge-controlled polyurethane foam is the one wherein the surface layer of the polyurethane foam is impregnated with a charge control agent which is on the negative side or on the positive side in the triboelectric series with respect to substrate polyurethane foam. The toner-conveying roller is the one which supports the charge-controlled polyurethane foam on the periphery of the axis of the roller.Type: GrantFiled: July 9, 2009Date of Patent: April 19, 2016Assignee: BRIDGESTONE CORPORATIONInventors: Satoru Kusano, Junichiro Sato, Katsuya Seki, Masaru Otsuka, Youhei Takeda
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Publication number: 20150094390Abstract: Provided is a sealing material having low hardness, low density, and excellent sealing properties. A sealing material, made by vulcanizing and foaming a blend containing: a thermoplastic resin; a foaming agent; a vulcanizing agent; and a rubber component containing a rubber copolymer of ethylene, a non-conjugate diene, and an ?-olefin with 3 or more carbon atoms; wherein the blend contains 2 to 4 mass parts of stearic acid and 5 to 7 mass parts of CaO in 100 mass parts of the rubber component, and the 50% compressive stress of the sealing material is 100 kPa or less.Type: ApplicationFiled: April 25, 2013Publication date: April 2, 2015Applicant: BRIDGESTONE CORPORATIONInventors: Masaru Otsuka, Katsuya Seki, Tomohiro Yamamoto, Tsuyoshi Itoyama
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Publication number: 20130014587Abstract: An ultrasonic flaw detector including an ultrasonic probe for emitting an ultrasonic wave on an object to be inspected and receiving a reflected ultrasonic wave from the object, a drive element control unit for controlling a plurality of ultrasonic elements to emit an ultrasonic wave on the ultrasonic probe and to control a reflected ultrasonic wave from the ultrasonic probe, and a calculation unit for obtaining, by using a refraction angle of the ultrasonic wave at a time of the ultrasonic wave entering the object, an incident position of the ultrasonic wave on a surface of the object, and a surface shape of a surface of the object at the incident position, the incident angle of the ultrasonic wave entering the incident position, and obtaining a plurality of ultrasonic elements to be driven, based on the incident position and the incident angle.Type: ApplicationFiled: July 13, 2012Publication date: January 17, 2013Applicant: Kabushiki Kaisha ToshibaInventors: Setsu YAMAMOTO, Takahiro Miura, Jun Semboshi, Makoto Ochiai, Satoshi Nagai, Kazumi Watanabe, Tadahiro Mitsuhashi, Hiroyuki Adachi, Satoshi Yamamoto, Junichi Takabayashi, Masaru Otsuka
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Publication number: 20120123003Abstract: A sealing material is provided, which maintains excellent sealing property for a long period of time. The sealing material of the invention is characterized by being prepared by vulcanizing and foaming a mixture containing a rubber component containing a copolymer rubber of ethylene, an ?-olefin having 3 or more carbon atoms, and a conjugated diene, a vulcanizing agent, and a blowing agent, wherein the mixture contains a thermoplastic resin having a melting point of 80° C. or less.Type: ApplicationFiled: July 14, 2010Publication date: May 17, 2012Applicant: Bridgestone CorporationInventors: Masaru Otsuka, Katsuya Seki, Tomohiro Yamamoto, Youhei Takeda
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Patent number: 8118183Abstract: A particularly small eyedropper or the like is provided, which has a construction such that, when a body thereof is squeezed, an introduction hole thereof can be easily closed to compress air in a space between an inner layer and an outer layer thereof even in the absence of a check valve in the introduction hole, and defectiveness of the introduction hole can be easily checked. To this end, a test hole (19) communicating with an introduction hole (17) via a space between an outer layer bottle. (1) and an inner layer bag (16) is provided in an outer layer mouth portion (4). The test hole (19) is closed by the inner layer bag (16) and an inside plug (21) fitted in the mouth portion (4). Further, the introduction hole (17) is provided in a middle portion of a body which is pressed by a finger when the bottle is squeezed. The introduction hole (17) is closed by the finger.Type: GrantFiled: February 13, 2004Date of Patent: February 21, 2012Assignees: Taisei Kako Co., Ltd., Nihon Tenganyaku Kankyusho Co., Ltd.Inventors: Kazuya Iwahashi, Hirokazu Mihashi, Keiji Hamamoto, Masaru Otsuka, Yorishisa Uetake, Kenji Matsuura
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Publication number: 20110177926Abstract: Provided are charge-controlled polyurethane foam by which the influence of electrification by friction between toner on the surface layer of a toner-conveying roller and a developing roller can be sufficiently prevented and by which a good image can be stably obtained with a low cost, and a toner-conveying roller using the same. The charge-controlled polyurethane foam is the one wherein the surface layer of the polyurethane foam is impregnated with a charge control agent which is on the negative side or on the positive side in the triboelectric series with respect to substrate polyurethane foam. The toner-conveying roller is the one which supports the charge-controlled polyurethane foam on the periphery of the axis of the roller.Type: ApplicationFiled: July 9, 2009Publication date: July 21, 2011Applicant: BRIDGESTONE CORPORATIONInventors: Satoru Kusano, Junichiro Sato, Katsuya Seki, Masaru Otsuka, Youhei Takeda
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Patent number: 7971753Abstract: A filter-equipped container which, particularly in a small-sized eyedrop bottle or the like, is capable of accurate dropping while preventing bubbles from being involved when a contents liquid is to be delivered through a delivery port. To solve such problem, a plug body 12 disposed in the mouth of a bottle 10 is provided with a delivery passage for delivering contents liquid received in the bottle 10, the delivery passage being provided with a filter 25. The filter 25 is composed of a filter film 25a for filtering bacteria to prevent the latter from permeating from upstream to downstream as seen in the direction of delivery, and a contents liquid holding member 25b of porous material that has microscopic pores, disposed upstream of the filter film 25a, the contents liquid holding member 25b being in planar contact with the filter film 25a.Type: GrantFiled: September 17, 2004Date of Patent: July 5, 2011Assignees: Taisei Kako Co., Ltd., Nihon Tenganyaku Kenkyusyo Co., Ltd.Inventors: Hirokazu Mihashi, Yasuyuki Shiraishi, Masaru Otsuka, Yorihisa Uetake
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Patent number: 7867434Abstract: A particularly small eyedropper or the like is provided, which has a construction such that, when a body thereof is squeezed, an introduction hole thereof can be easily closed to compress air in a space between an inner layer and an outer layer thereof even in the absence of a check valve in the introduction hole, and defectiveness of the introduction hole can be easily checked. To this end, a test hole (19) communicating with an introduction hole (17) via a space between an outer layer bottle (1) and an inner layer bag (16) is provided in an outer layer mouth portion (4). The test hole (19) is closed by the inner layer bag (16) and an inside plug (21) fitted in the mouth portion (4). Further, the introduction hole (17) is provided in a middle portion of a body which is pressed by a finger when the bottle is squeezed. The introduction hole (17) is closed by the finger.Type: GrantFiled: March 6, 2009Date of Patent: January 11, 2011Assignees: Taisei Kako Co., Ltd., Nihon Tenganyaku Kenkyusho Co., Ltd.Inventors: Kazuya Iwahashi, Hirokazu Mihashi, Keiji Hamamoto, Masaru Otsuka, Yorishisa Uetake, Kenji Matsuura
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Publication number: 20090174102Abstract: A particularly small eyedropper or the like is provided, which has a construction such that, when a body thereof is squeezed, an introduction hole thereof can be easily closed to compress air in a space between an inner layer and an outer layer thereof even in the absence of a check valve in the introduction hole, and defectiveness of the introduction hole can be easily checked. To this end, a test hole (19) communicating with an introduction hole (17) via a space between an outer layer bottle (1) and an inner layer bag (16) is provided in an outer layer mouth portion (4). The test hole (19) is closed by the inner layer bag (16) and an inside plug (21) fitted in the mouth portion (4). Further, the introduction hole (17) is provided in a middle portion of a body which is pressed by a finger when the bottle is squeezed. The introduction hole (17) is closed by the finger.Type: ApplicationFiled: March 6, 2009Publication date: July 9, 2009Inventors: Kazuya Iwahashi, Hirokazu Mihashi, Keiji Hamamoto, Masaru Otsuka, Yorishisa Uetake, Kenji Matsuura
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Publication number: 20070090044Abstract: This invention provides a filter-equipped container which, particularly in a small-sized eyedrop bottle or the like, is capable of accurate dropping while preventing bubbles from being involved when a contents liquid is to be delivered through a delivery port. To solve such problem, a plug body 12 disposed in the mouth of a bottle 10 is provided with a delivery passage for delivering contents liquid received in the bottle 10, the delivery passage being provided with a filter 25. The filter 25 is composed of a filter film 25a for filtering bacteria to prevent the latter from permeating from upstream to downstream as seen in the direction of delivery, and a contents liquid holding member 25b of porous material disposed upstream of the filter film 25a, the contents liquid holding member 25b being in planar contact with the filter film 25a.Type: ApplicationFiled: September 17, 2004Publication date: April 26, 2007Applicants: TAISEI KAKO CO., LTD., NIHON TENGANYAKU KENKYUSYO CO., LTD.Inventors: Hirokazu Mihashi, Yasuyuki Shiraishi, Masaru Otsuka, Yorihisa Uetake
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Publication number: 20070028988Abstract: A discharging container with a filter capable of sucking content liquid remaining on the downstream side of the filter to the upstream side of the filter, capable of accurately dripping the content liquid while avoiding an air lock state, and manufacturable at reduce cost, particularly in an instillation vial, comprising a bottle formed by laminating an inner layer separable from an outer layer on the inner surface of the outer layer and a plug body fitted to the mouth part of the bottle. A discharging passage for discharging the content liquid stored in the body part of the inner layer is formed in the plug body, and the filter is installed in the discharging passage.Type: ApplicationFiled: September 17, 2004Publication date: February 8, 2007Inventors: Hirokazu Mihashi, Yasuyuki Shiraishi, Masaru Otsuka, Mitsuo Tanaka
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Publication number: 20060054635Abstract: A particularly small eyedropper or the like is provided, which has a construction such that, when a body thereof is squeezed, an introduction hole thereof can be easily closed to compress air in a space between an inner layer and an outer layer thereof even in the absence of a check valve in the introduction hole, and defectiveness of the introduction hole can be easily checked. To this end, a test hole (19) communicating with an introduction hole (17) via a space between an outer layer bottle. (1) and an inner layer bag (16) is provided in an outer layer mouth portion (4). The test hole (19) is closed by the inner layer bag (16) and an inside plug (21) fitted in the mouth portion (4). Further, the introduction hole (17) is provided in a middle portion of a body which is pressed by a finger when the bottle is squeezed. The introduction hole (17) is closed by the finger.Type: ApplicationFiled: February 13, 2004Publication date: March 16, 2006Inventors: Kazuya Iwahashi, Hirokazu Mihashi, Keiji Hamamoto, Masaru Otsuka, Yorihisa Uetake, Kenji Matsuura