Patents by Inventor Hajime Kudo
Hajime Kudo 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: 11983583Abstract: In a method of manufacturing a multilayer chip component according to an aspect of the present disclosure, laser processing is used for forming dots of a two-dimensional code. This laser processing is laser processing with respect to a laminate substrate in a state before baking is performed, and an impact at the time of processing is absorbed to a certain degree due to elastic deformation of the laminate substrate. For this reason, according to the manufacturing method, occurrence of cracking can be curbed compared to laser processing with respect to an element body in a state after baking is performed.Type: GrantFiled: April 4, 2023Date of Patent: May 14, 2024Assignee: TDK CORPORATIONInventors: Gaku Echigoya, Hiroshi Satou, Keijiro Ishida, Hajime Kudo
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Publication number: 20230237285Abstract: In a method of manufacturing a multilayer chip component according to an aspect of the present disclosure, laser processing is used for forming dots of a two-dimensional code. This laser processing is laser processing with respect to a laminate substrate in a state before baking is performed, and an impact at the time of processing is absorbed to a certain degree due to elastic deformation of the laminate substrate. For this reason, according to the manufacturing method, occurrence of cracking can be curbed compared to laser processing with respect to an element body in a state after baking is performed.Type: ApplicationFiled: April 4, 2023Publication date: July 27, 2023Applicant: TDK CORPORATIONInventors: Gaku ECHIGOYA, Hiroshi SATOU, Keijiro ISHIDA, Hajime KUDO
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Patent number: 11645480Abstract: In a method of manufacturing a multilayer chip component according to an aspect of the present disclosure, laser processing is used for forming dots of a two-dimensional code. This laser processing is laser processing with respect to a laminate substrate in a state before baking is performed, and an impact at the time of processing is absorbed to a certain degree due to elastic deformation of the laminate substrate. For this reason, according to the manufacturing method, occurrence of cracking can be curbed compared to laser processing with respect to an element body in a state after baking is performed.Type: GrantFiled: February 3, 2021Date of Patent: May 9, 2023Assignee: TDK CORPORATIONInventors: Gaku Echigoya, Hiroshi Satou, Keijiro Ishida, Hajime Kudo
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Patent number: 11568192Abstract: In a multilayer chip component according to an aspect of the present disclosure, dots of a two-dimensional code provided on a main surface of an element body has a semicircular cross-sectional shape. That is, since substantially no corner portions are present in a cross-sectional shape of the dots, stress is unlikely to remain when the dots are formed, and stress is unlikely to be concentrated after the dots are formed. Therefore, cracking is unlikely to occur in the foregoing multilayer chip component.Type: GrantFiled: February 4, 2021Date of Patent: January 31, 2023Assignee: TDK CORPORATIONInventors: Gaku Echigoya, Hiroshi Satou, Keijiro Ishida, Hajime Kudo
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Publication number: 20210248435Abstract: In a method of manufacturing a multilayer chip component according to an aspect of the present disclosure, a two-dimensional code is formed in each of green chips divided in a dividing step. In the two-dimensional code, a substrate ID identifying a laminate substrate and an individual body ID identifying an individual multilayer chip component are associated with each other. Therefore, it is possible to accurately and quickly discern which laminate substrate a multilayer chip component is manufactured from by reading the two-dimensional code of the multilayer chip component, and thus high traceability can be achieved.Type: ApplicationFiled: February 3, 2021Publication date: August 12, 2021Applicant: TDK CORPORATIONInventors: Gaku ECHIGOYA, Hiroshi SATOU, Keijiro ISHIDA, Hajime KUDO
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Publication number: 20210248327Abstract: In a method of manufacturing a multilayer chip component according to an aspect of the present disclosure, laser processing is used for forming dots of a two-dimensional code. This laser processing is laser processing with respect to a laminate substrate in a state before baking is performed, and an impact at the time of processing is absorbed to a certain degree due to elastic deformation of the laminate substrate. For this reason, according to the manufacturing method, occurrence of cracking can be curbed compared to laser processing with respect to an element body in a state after baking is performed.Type: ApplicationFiled: February 3, 2021Publication date: August 12, 2021Applicant: TDK CORPORATIONInventors: Gaku ECHIGOYA, Hiroshi SATOU, Keijiro ISHIDA, Hajime KUDO
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Publication number: 20210248437Abstract: In a multilayer chip component according to an aspect of the present disclosure, dots of a two-dimensional code provided on a main surface of an element body has a semicircular cross-sectional shape. That is, since substantially no corner portions are present in a cross-sectional shape of the dots, stress is unlikely to remain when the dots are formed, and stress is unlikely to be concentrated after the dots are formed. Therefore, cracking is unlikely to occur in the foregoing multilayer chip component.Type: ApplicationFiled: February 4, 2021Publication date: August 12, 2021Applicant: TDK CORPORATIONInventors: Gaku ECHIGOYA, Hiroshi SATOU, Keijiro ISHIDA, Hajime KUDO
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Publication number: 20160167285Abstract: In manufacturing a hollow molded article by an apparatus for manufacturing a hollow molded article, a pair of molding dies and another pair of molding dies disposed to position a sheet-like parison therebetween are provided, and the sheet-like parison is transformed into a predetermined shape. Built-in parts are fixed by piston portions to the transformed sheet-like parison, then, at a position between a portion transformed by the pair of molding dies and another portion transformed by the other pair of molding dies, the sheet-like parison is cut by a cutter. After this cutting, predetermined molding dies are faced each other to be clamped. Thereby, both of transformed sheet-like parisons are joined together to manufacture a hollow molded article.Type: ApplicationFiled: July 11, 2014Publication date: June 16, 2016Applicant: Yachiyo Industry Co., Ltd.Inventors: Takatoshi Watanabe, Kazuhiro Ohtaki, Masahiro Niihori, Hajime Kudo
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Patent number: 6768800Abstract: An active noise controller includes a duct (2) of a stainless steel having the shape of a pipe and provided with an opening (1) at a first end thereof, and a loudspeaker (3)connected to a second end of the duct (2). The duct (2) is disposed with its opening (1) located at a distance not greater than half the wavelength of a sound produced by a sound source (4) from the sound source (4) so as to face the sound source (4). A sound produced by the vibration of the vibrating member (5) of the loudspeaker (3) travels from the second end of the duct (2) through the duct (2) to the first end of the same, and the sound is radiated toward the sound source (4). The sound radiated through the opening (1) has a frequency substantially equal to that of an unnecessary sound included in the sound produced by the sound source (4), an amplitude substantially equal to that of the unnecessary sound and a phase substantially opposite to that of the unnecessary sound.Type: GrantFiled: August 30, 2001Date of Patent: July 27, 2004Assignee: Kabushiki Kaisha ToshibaInventors: Akihiko Enamito, Hajime Kudo, Yoshiyuki Sato
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Patent number: 6547551Abstract: In a conventional multilayer crosshead, only one pressure sensor is disposed in the inlet of the annular passage, preventing monitoring of membrane discontinuities; parison thickness is not constant; as the crosshead body is not cooled and parison temperature is high, a long time is required for cooling during blow molding, preventing the reduction of the molding cycle. A multilayer crosshead according to the present invention includes pressure sensors disposed in at least two positions of the annular passage so that the flow rate is controlled and monitored so as to eliminate the pressure difference between the pressure sensors, and parison temperature is lowered to a greater degree by a cooling jacket with a built-in heater disposed in the crosshead body so that a blow molding cycle is shortened.Type: GrantFiled: September 27, 1999Date of Patent: April 15, 2003Assignees: The Japan Steel Works, Ltd., Yachiyo Kogyo Kabushiki KaishaInventors: Yuzo Omi, Syouji Satou, Takatoshi Watanabe, Akira Rikiishi, Hajime Kudo, Yoshitaka Ohno, Toshio Kagitani, Sohei Masaki, Shoji Abe
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Patent number: 6537056Abstract: In a conventional needle blow nozzle and blow molding apparatus, because a needle portion is formed to have a linear tip, resistance against insertion of the nozzle into a parison is large and only a small-diameter needle blow nozzle can be inserted into the parison. For this reason, it has been difficult to increase an amount of air supplied to the interior of the parison and to shorten the molding cycle. With a needle blow nozzle, an air cooling method and apparatus, a blow molding method and apparatus, and a blow molded product according to the present invention, since a needle portion of the needle blow nozzle is formed into an umbrella-like shape, the tip of the needle portion provides a pointed needle center so that resistance against insertion of the nozzle into a parison is reduced and a large-diameter needle blow nozzle can be employed.Type: GrantFiled: September 29, 1999Date of Patent: March 25, 2003Assignees: The Japan Steel Works, Ltd., Yachiyo Kogyo Kabushiki KaishaInventors: Yuzo Omi, Syouji Satou, Takatoshi Watanabe, Akira Rikiishi, Hajime Kudo, Yoshitaka Ohno, Toshio Kagitani, Sohei Masaki, Shoji Abe
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Publication number: 20020054929Abstract: In a conventional multilayer crosshead, only one pressure sensor is disposed in the inlet of the annular passage, preventing monitoring of membrane discontinuities; parison thickness is not constant; as the crosshead body is not cooled and parison temperature is high, a long time is required for cooling during blow molding, preventing the reduction of the molding cycle. A multilayer crosshead according to the present invention includes pressure sensors disposed in at least two positions of the annular passage so that the flow rate is controlled and monitored so as to eliminate the pressure difference between the pressure sensors, and parison temperature is lowered to a greater degree by a cooling jacket with a built-in heater disposed in the crosshead body so that a blow molding cycle is shortened.Type: ApplicationFiled: September 27, 1999Publication date: May 9, 2002Inventors: YUZO OMI, SYOUJI SATOU, TAKATOSHI WATANABE, AKIRA RIKIISHI, HAJIME KUDO, YOSHITAKA OHNO, TOSHIO KAGITANI, SOHEI MASAKI, SHOJI ABE
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Publication number: 20020041690Abstract: An active noise controller includes a duct (2) of a stainless steel having the shape of a pipe and provided with an opening (1) at a first end thereof, and a loudspeaker (3)connected to a second end of the duct (2). The duct (2) is disposed with its opening (1) located at a distance not greater than half the wavelength of a sound produced by a sound source (4) from the sound source (4) so as to face the sound source (4). A sound produced by the vibration of the vibrating member (5) of the loudspeaker (3) travels from the second end of the duct (2) through the duct (2) to the first end of the same, and the sound is radiated toward the sound source (4). The sound radiated through the opening (1) has a frequency substantially equal to that of an unnecessary sound included in the sound produced by the sound source (4), an amplitude substantially equal to that of the unnecessary sound and a phase substantially opposite to that of the unnecessary sound.Type: ApplicationFiled: August 30, 2001Publication date: April 11, 2002Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Akihiko Enamito, Hajime Kudo, Yoshiyuki Sato
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Patent number: 4981526Abstract: A composition for brazing aluminum or aluminum alloy characterized in that said composition contains aluminum alloy powder for brazing and thermoplastic acryl-based resin binder which is so volatile as to volatilize before being carbonized at a brazing temperature and said resin binder of 0.1 to 50 parts is used for aluminum alloy powder of 100 parts. When this technological idea was applied to brazing with a brazing material of aluminum alloy powder such as, for example, Al-Si, a preferable result of brazing could be obtained.Type: GrantFiled: November 22, 1989Date of Patent: January 1, 1991Assignee: Mitsubishi Aluminum Co., Ltd.Inventors: Hajime Kudo, Hitoshi Saito, Ken Toma
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Patent number: 4955525Abstract: A method of producing a heat exchanger comprising abutting a tube made of an aluminum material and fins made of an aluminum material, applying to the resulting abutments a flux containing zinc halide, and thereafter conducting a reaction soldering in an inert gas atmosphere. The assembled tube and fins applied with the flux may be moved in a position to enhance the formation of zinc deposited by the reaction soldering during the drying step of the flux. The heat exchanger produced by this method has a thick and uniform Zn coating at the joints with good mechanical strength and surface conditions.Type: GrantFiled: February 27, 1989Date of Patent: September 11, 1990Assignee: Mitsubishi Aluminum Co., Ltd.Inventors: Hajime Kudo, Masami Asano, Ken Toma, Yo Takeuchi
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Patent number: 4842185Abstract: A method of producing a heat exchanger comprising abutting a tube made of an aluminum material and fins made of an aluminum material, applying to the resulting abutments a flux containing zinc halide, and thereafter conducting a reaction soldering in an inert gas atmosphere. The assembled tube and fins applied with the flux may be moved into a position to enhance the formation if zinc deposited by the reaction soldering during the drying step of the flux. The heat exchanger produced by this method has a thick and uniform Zn coating at the joints with good mechanical strength and surface conditions.Type: GrantFiled: April 6, 1987Date of Patent: June 27, 1989Assignee: Mitsubishi Aluminum Co., Ltd.Inventors: Hajime Kudo, Masami Asano, Ken Toma, Yo Takeuchi
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Patent number: 4718482Abstract: A method for manufacturing a novel heat exchanging vehicle comprising the steps of forming an inorganic surface layer over a cold rolled, aluminum or aluminum alloy sheet; treating the inorganic surface layer with a phosphoric compound solution; annealing the sheet; and forming the sheet into a predetermined shape. The resulting heat exchanging vehicle such as a fin has a good wettability and a high corrosion resistance to white rust based on the uniformity of the said surface layer.Type: GrantFiled: August 19, 1986Date of Patent: January 12, 1988Assignee: Mitsubishi Aluminum Kabushiki KaishaInventors: Tetsuji Iwama, Katashi Katsumata, Hajime Kudo, Yo Takeuchi