Patents by Inventor Masaki Yoda
Masaki Yoda 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: 10214666Abstract: The present invention is a copolymer of a monomer mixture including about 25 to about 80 parts by mass of an alkyl (meth)acrylate, approximately 15 to approximately 50 parts by mass of a hydroxyl group-containing monomer, and approximately 5 to approximately 25 parts by mass of a macromer having a glass transition temperature (Tg) of approximately 50° C. or higher. The copolymer contains substantially no acidic groups.Type: GrantFiled: December 3, 2014Date of Patent: February 26, 2019Assignee: 3M Innovative Properties CompanyInventors: Aya Nakada, Hideyuki Hatanaka, Masaki Yoda, Toshihiro Suwa, Albert I. Everaerts, Shunsuke Suzuki, Yasuhiro Kinoshita
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Publication number: 20170341177Abstract: In one embodiment, a laser peening apparatus includes an output unit (41) configured to output laser light (6); a light-guide unit (31) configured to guide the outputted laser light (6); a condenser lens (42) configured to condense the guided laser light (6); an irradiation nozzle (32) configured to radiate the condensed laser light (6); a focus-change unit (50) configured to change a focal position of the laser light (6) based on distance from an irradiation target (4, 5) of the laser light (6) to the irradiation nozzle (32); and a control unit (66) configured to apply laser peening by radiating the laser light (6) toward the irradiation target (4, 5) which is in contact with water.Type: ApplicationFiled: April 24, 2017Publication date: November 30, 2017Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kohei URAGUCHI, Takeshi MAEHARA, Osamu YAMAGUCHI, Masaki YODA, ltaru CHIDA
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Publication number: 20170058157Abstract: To provide a pressure-sensitive adhesive which has sufficient adhesive strength under a variety of conditions to a base material having a low surface energy. Resolution Means: A pressure-sensitive adhesive that contains a tacky adhesive polymer and a chlorinated polyolefin, wherein a heat of fusion of the chlorinated polyolefin is 0 to 5 J/g, and a content of chlorine in the chlorinated polyolefin is 16 to 25 mass %.Type: ApplicationFiled: February 17, 2015Publication date: March 2, 2017Inventor: Masaki Yoda
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Publication number: 20170015877Abstract: The present invention is a copolymer of a monomer mixture including about 25 to about 80 parts by mass of an alkyl (meth)acrylate, approximately 15 to approximately 50 parts by mass of a hydroxyl group-containing monomer, and approximately 5 to approximately 25 parts by mass of a macromer having a glass transition temperature (Tg) of approximately 50° C. or higher. The copolymer contains substantially no acidic groups.Type: ApplicationFiled: December 3, 2014Publication date: January 19, 2017Applicant: 3M Innovative Properties CompanyInventors: Aya Nakada, Hideyuki Hatanaka, Masaki Yoda, Toshihiro Suwa, Albert I. Everaerts, Shunsuke Suzuki, Yasuhiro Kinoshita
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Patent number: 9136026Abstract: A heating laser beam is emitted to a cracked portion to remove moisture from the cracked portion, and subsequently, a welding laser beam is emitted to the cracked portion to heat and melt the cracked portion. The heating laser beam and the welding laser beam are emitted to an entire surface of the cylindrical body inside the reactor such as a stub tube penetrating through and fixed to a reactor bottom portion and a crack of the welded portion between the cylindrical body and the reactor bottom portion to thereby prevent a new crack from occurring and reactor water from leaking.Type: GrantFiled: October 2, 2009Date of Patent: September 15, 2015Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yoshio Hamamoto, Yuuichi Motora, Hiromi Kato, Masahiro Takeuchi, Masataka Tamura, Satoshi Okada, Taiji Kobayashi, Masaki Yoda, Hiroyuki Miyasaka, Wataru Kono, Masakazu Abura
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Patent number: 8872058Abstract: An improved laser shock hardening method and apparatus which can eliminate spattering of a liquid and waving of the liquid surface upon laser irradiation, and can stably irradiate a workpiece with a laser beam. In a laser shock hardening method for carrying out surface processing of a workpiece in contact with a liquid by irradiating through the liquid the surface of the workpiece with a pulsed laser beam intermittently emitted from a laser irradiation device, the disclosed method provides a solid transparent to the wavelength of the laser, serving as an entrance window to the liquid surface; allowing the liquid to be present in the light path of the laser beam between the solid and the surface of the workpiece; and allowing the laser beam to enter through the solid and irradiating through the liquid the surface of the workpiece with the laser beam.Type: GrantFiled: November 14, 2012Date of Patent: October 28, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Yuji Sano, Naruhiko Mukai, Masaki Yoda, Yoshiaki Ono, Ryoichi Saeki, Hideki Naito
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Patent number: 8774340Abstract: A nuclear reactor vibration surveillance system has a first ultrasonic transducer for transmission, an ultrasonic transmitter, a second ultrasonic transducer for reception, an ultrasonic receiver, a signal processor, and a display unit. The first ultrasonic transducer for transmission is arranged on the outer surface of a reactor pressure vessel and is configured to convert a transmission signal into an ultrasonic pulse signal and allow the ultrasonic pulse to be transmitted to a reactor internal component. The second ultrasonic transducer for reception is arranged on the outer surface of the reactor pressure vessel and is configured to receive a reflected ultrasonic pulse reflected by the reactor internal component and convert the received reflected ultrasonic pulse into a reception signal.Type: GrantFiled: March 23, 2009Date of Patent: July 8, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Hidehiko Kuroda, Mikio Izumi, Mitsuhiro Enomoto, Masaki Yoda, Mieko Sato
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Patent number: 8445810Abstract: According to one embodiment, a laser welding apparatus has a laser irradiation head that is arranged in an outer frame and is divided inside into a light source side and an irradiation side by a partitioning member. The apparatus also has a gas jet nozzle that is formed so as to irradiate a portion to be welded with the laser light and jet the inert gas to the portion to be welded; and a welding wire feed pipe that sequentially feeds a welding wire. The apparatus also has a welding wire contact mechanism that includes a measuring means for measuring a distance between the extremity of the irradiation side and the extremity of the welding wire, and is formed so that the extremity of the welding wire is brought into contact with and pressed against the portion to be welded by an elastic member.Type: GrantFiled: October 13, 2010Date of Patent: May 21, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Hisashi Hozumi, Yutaka Togasawa, Kenji Matsuzaki, Mitsuaki Shimamura, Satoshi Okada, Wataru Kono, Masaki Yoda
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Patent number: 8378256Abstract: A method of sealing a surface crack in a member is provided includes steps of irradiating a region of the member at which the crack is produced with a heating laser beam so as to heat the region to a temperature lower than a melting point of the member, and then irradiating a region of the member at which the crack is produced with a welding laser beam subsequent to irradiation of the heating laser beam so as to heat the region to a temperature higher than or equal to the melting point of the member, thereby sealing an opening of the surface crack of the member.Type: GrantFiled: October 16, 2008Date of Patent: February 19, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Masataka Tamura, Yoshinobu Makino, Wataru Kono, Katsunori Shiihara, Yoshimi Tanaka, Masaki Yoda, Yoshio Hamamoto, Satoshi Okada, Hiromi Kato
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Patent number: 8330070Abstract: There is provided an improved laser shock hardening method and apparatus which can eliminate spattering of a liquid and waving of the liquid surface upon laser irradiation, and can stably irradiate a workpiece with a laser beam. Thus, the present invention provides in a laser shock hardening method for carrying out surface processing of a workpiece in contact with a liquid by irradiating through the liquid the surface of the workpiece with a pulsed laser beam intermittently emitted from a laser irradiation device, the improvement comprising: providing a solid transparent to the wavelength of the laser, serving as an entrance window to the surface of the liquid; allowing the liquid to be present in the light path of the laser beam between the solid and the surface of the workpiece; and allowing the laser beam to enter through the solid and irradiating through the liquid the surface of the workpiece with the laser beam, thereby shock-hardening the surface of the workpiece.Type: GrantFiled: May 11, 2006Date of Patent: December 11, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Yuji Sano, Naruhiko Mukai, Masaki Yoda, Yoshiaki Ono, Ryoichi Saeki, Hideki Naito
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Patent number: 8304686Abstract: There is provided an improved laser shock hardening method and apparatus which can eliminate spattering of a liquid and waving of the liquid surface upon laser irradiation, and can stably irradiate a workpiece with a laser beam. Thus, the present invention provides in a laser shock hardening method for carrying out surface processing of a workpiece in contact with a liquid by irradiating through the liquid the surface of the workpiece with a pulsed laser beam intermittently emitted from a laser irradiation device, the improvement comprising: providing a solid transparent to the wavelength of the laser, serving as an entrance window to the surface of the liquid; allowing the liquid to be present in the light path of the laser beam between the solid and the surface of the workpiece; and allowing the laser beam to enter through the solid and irradiating through the liquid the surface of the workpiece with the laser beam, thereby shock-hardening the surface of the workpiece.Type: GrantFiled: March 16, 2010Date of Patent: November 6, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Yuji Sano, Naruhiko Mukai, Masaki Yoda, Yoshiaki Ono, Ryoichi Saeki, Hideki Naito
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Patent number: 8148444Abstract: To provide a composition useful for forming a heat conductive sheet that satisfies both high heat conductivity and sufficient softness, has sufficient cohesive strength at a surface portion of a heat conductive sheet and does not cause remaining paste and breakage of an electronic appliance when the sheet is peeled. The composition comprises (A) a photo polymerizable component consisting of a (meth)acryl type monomer or its partial polymer; (B) a heat conductive filler; (C) a photo reaction initiator for initiating the polymerization of the photo polymerizable component; and (D) a photo absorber for absorbing and removing a predetermined wavelength band from electromagnetic rays used for the polymerization of the photo polymerizable component.Type: GrantFiled: October 19, 2007Date of Patent: April 3, 2012Assignee: 3M Innovative Properties CompanyInventors: Masaki Yoda, Yoshinao Yamazaki
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Publication number: 20110274229Abstract: A heating laser beam is emitted to a cracked portion to remove moisture from the cracked portion, and subsequently, a welding laser beam is emitted to the cracked portion to heat and melt the cracked portion. The heating laser beam and the welding laser beam are emitted to an entire surface of the cylindrical body inside the reactor such as a stub tube penetrating through and fixed to a reactor bottom portion and a crack of the welded portion between the cylindrical body and the reactor bottom portion to thereby prevent a new crack from occurring and reactor water from leaking.Type: ApplicationFiled: October 2, 2009Publication date: November 10, 2011Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshio Hamamoto, Yuuichi Motora, Hiromi Kato, Masahiro Takeuchi, Masataka Tamura, Satoshi Okada, Taiji Kobayashi, Masaki Yoda, Hiroyuki Miyasaka, Wataru Kono, Masakazu Abura
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Publication number: 20110245373Abstract: To provide a thermal conductive sheet having improved thermal conductivity while maintaining flexibility and flame retardancy, and a method for producing the same. The above sheet can be obtained from hardened material comprising: a binder component (A) containing at least one alkyl(meth)acrylate monomer having an alkyl group of 12 to 18 carbon atoms and/or a partial polymer thereof; aluminum hydroxide particles (B) having an average particle diameter of 0.3 m or more and less than 4.0 m which are obtained by a crystallization method and are not subjected to a pulverization treatment; aluminum hydroxide particles (C) having an average particle diameter of 4.0 m or more and 15.Type: ApplicationFiled: November 17, 2009Publication date: October 6, 2011Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventor: Masaki Yoda
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Publication number: 20110198075Abstract: According to an embodiment, an in-pipe work device is inserted into a pipe and remotely controlled by a control device to perform an operation for an inner surface of the pipe. The in-pipe work device has: a main unit; a main-unit support unit; a rotation arm; a process head; a first distance sensor; and a process head position adjustment mechanism that changes a distance from a rotation center of the rotation arm to the process head. The control device makes the process head position adjustment mechanism expand and contract based upon a result of measurement by the first distance sensor and operation condition information that is input in advance.Type: ApplicationFiled: February 14, 2011Publication date: August 18, 2011Inventors: Satoshi Okada, Masataka Tamura, Taiji Kobayashi, Masaki Yoda
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Patent number: 7956116Abstract: Provided is an electronic device comprising a thermally conductive sheet including a methacrylic polymer, a thermally conductive filler containing aluminum hydroxide in an amount of at least 10% by volume of the thermally conductive sheet, a combination of a phenolic antioxidant and a sulfur based antioxidant in an amount sufficient to impart thermal stability to the thermally conductive sheet, and a heat radiator.Type: GrantFiled: September 29, 2009Date of Patent: June 7, 2011Inventors: Masaki Yoda, Yoshinao Yamazaki
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Publication number: 20110031435Abstract: A (meth)acrylic pressure-sensitive adhesive foam reduced in the amount of a foaming adjuvant compared with the conventional foam and having a high air bubble content, and a method for producing the same are provided. The foam includes a partial polymer having (a) one or more alkyl (meth)acrylate monomers having one reactive unsaturated group, the alkyl group having 12 or less carbon atoms, (b) a monomer for crosslinking, which is copolymerizable with the component (a), and (c) a copolymer of the component (a) and the component (b); a thermally conductive filler; and a foaming adjuvant containing surface modified nanoparticles having a particle diameter of 20 nm or less, wherein a crosslinked structure containing the component (c) is formed in the curable composition.Type: ApplicationFiled: April 20, 2009Publication date: February 10, 2011Inventors: Masaki Yoda, Rina Mawatari
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Publication number: 20110024402Abstract: According to one embodiment, a laser welding apparatus has a laser irradiation head that is arranged in an outer frame and is divided inside into a light source side and an irradiation side by a partitioning member. The apparatus also has a gas jet nozzle that is formed so as to irradiate a portion to be welded with the laser light and jet the inert gas to the portion to be welded; and a welding wire feed pipe that sequentially feeds a welding wire. The apparatus also has a welding wire contact mechanism that includes a measuring means for measuring a distance between the extremity of the irradiation side and the extremity of the welding wire, and is formed so that the extremity of the welding wire is brought into contact with and pressed against the portion to be welded by an elastic member.Type: ApplicationFiled: October 13, 2010Publication date: February 3, 2011Inventors: Hisashi HOZUMI, Yutaka Togasawa, Kenji Matsuzaki, Mitsuaki Shimamura, Satoshi Okada, Wataru Kono, Masaki Yoda
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Publication number: 20100314573Abstract: To provide a composition useful for forming a heat conductive sheet that satisfies both high heat conductivity and sufficient softness, has sufficient cohesive strength at a surface portion of a heat conductive sheet and does not cause remaining paste and breakage of an electronic appliance when the sheet is peeled. The composition comprises (A) a photo polymerizable component consisting of a (meth)acryl type monomer or its partial polymer; (B) a heat conductive filler; (C) a photo reaction initiator for initiating the polymerization of the photo polymerizable component; and (D) a photo absorber for absorbing and removing a predetermined wavelength band from electromagnetic rays used for the polymerization of the photo polymerizable component.Type: ApplicationFiled: October 19, 2007Publication date: December 16, 2010Inventors: Masaki Yoda, Yoshinao Yamazaki
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Patent number: 7851534Abstract: There is provided a thermally conductive sheet containing: a binder component, a modified liquid polyolefin, and at least one thermally conductive filler selected from the group consisting of metal oxide and metal hydroxide. The thermally conductive sheet can have good moldability, and the surface of the sheet is inhibited from being contaminated by bleeding or the like. Further, the sheet can have good flexibility maintained for a long period of time and is inhibited from deteriorating or emitting an offensive odor due to decomposed matter of an organic phosphorous compound even when an organic phosphorous compound is contained.Type: GrantFiled: May 20, 2005Date of Patent: December 14, 2010Assignee: 3M Innovative Properties CompanyInventors: Masaki Yoda, Yoshinao Yamazaki