Patents by Inventor Yoshihiro Matsubara
Yoshihiro Matsubara 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: 20240079403Abstract: A method of manufacturing a substrate with chips includes the following (A) and (B): (A) preparing a stacked substrate, the stacked substrate including: a plurality of chips; a first substrate to which the plurality of chips are temporarily bonded; and a second substrate bonded to the first substrate via the plurality of chips; and (B) separating the plurality of chips bonded to the first substrate and the second substrate, from the first substrate, in order to bond the plurality of chips to one surface of a third substrate including a device layer. In this method, the first substrate, from which the plurality of chips are separated, includes alignment marks that are used to ensure alignment when the first substrate and the plurality of chips are bonded together, or that are used to measure misalignment after the first substrate and the plurality of chips are bonded together.Type: ApplicationFiled: January 18, 2022Publication date: March 7, 2024Inventors: Yoshihisa MATSUBARA, Yoshihiro TSUTSUMI, Yohei YAMASHITA
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Patent number: 10074763Abstract: A solar cell is provided with: a crystal substrate having n-type conductivity type as one conductivity type; an n-type semiconductor layer—that is continuously laminated from a light receiving surface, i.e., one main surface of the crystal substrate, and a side surface of the crystal substrate; a p-type semiconductor layer, which is continuously laminated from a rear surface, i.e., the other main surface of the crystal substrate, and the side surface of the crystal substrate, and which has at least one part thereof overlapping, on the side surface of the crystal substrate, the n-type semiconductor layer; a light receiving surface-side transparent conductive film, which is, on the light receiving surface of the crystal substrate, laminated to the n-type semiconductor layer, and which has a smaller area than a planar shape of the crystal substrate; and a rear surface-side transparent conductive film laminated to the p-type semiconductor layer.Type: GrantFiled: May 4, 2016Date of Patent: September 11, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Koichi Hirose, Yoshihiro Matsubara, Kunihiro Kawamoto
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Publication number: 20160322522Abstract: A solar cell has: a crystal substrate having an n-type semiconductor layer that is formed on a light receiving surface; and a p-type semiconductor layer that is formed on a rear surface. The semiconductor layers cover a part of a side surface of the substrate, the thickness of the n-type semiconductor layer on the side surface, said thickness being in the normal line direction of the n-type semiconductor layer, is less than the thickness of the n-type semiconductor layer on the light receiving surface, said thickness being in the normal line direction of the n-type semiconductor layer, and the thickness of the p-type semiconductor layer on the side surface, said thickness being in the normal line direction of the p-type semiconductor layer, is less than the thickness of the p-type semiconductor layer on the rear surface, said thickness being in the normal line direction of the p-type semiconductor layer.Type: ApplicationFiled: April 29, 2016Publication date: November 3, 2016Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Koichi Hirose, Yoshihiro Matsubara, Kunihiro Kawamoto
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Publication number: 20160247954Abstract: A solar cell is provided with: a crystal substrate having n-type conductivity type as one conductivity type; an n-type semiconductor layer-that is continuously laminated from a light receiving surface, i.e., one main surface of the crystal substrate, and a side surface of the crystal substrate; a p-type semiconductor layer, which is continuously laminated from a rear surface, i.e., the other main surface of the crystal substrate, and the side surface of the crystal substrate, and which has at least one part thereof overlapping, on the side surface of the crystal substrate, the n-type semiconductor layer; a light receiving surface-side transparent conductive film, which is, on the light receiving surface of the crystal substrate, laminated to the n-type semiconductor layer, and which has a smaller area than a planar shape of the crystal substrate; and a rear surface-side transparent conductive film laminated to the p-type semiconductor layer.Type: ApplicationFiled: May 4, 2016Publication date: August 25, 2016Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Koichi Hirose, Yoshihiro Matsubara, Kunihiro Kawamoto
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Publication number: 20140073083Abstract: A manufacturing method for a solar cell having improved output characteristics is provided. After forming a p-side transparent conductive oxide layer (15), an n-side transparent conductive oxide layer (16) is formed.Type: ApplicationFiled: November 21, 2013Publication date: March 13, 2014Applicant: Sanyo Electric Co., Ltd.Inventors: Masaki Shima, Yoshihiro Matsubara
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Publication number: 20120044060Abstract: Efficiently processing information related to the warranty of an electronic device is enabled. A receipt printer 10 has an RFID tag 27 that can contactlessly read and write information by means of wireless communication with an external data processing terminal is disposed in the case, and the data processing terminal can read and write product warranty related data to the RFID tag 27.Type: ApplicationFiled: July 29, 2011Publication date: February 23, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Yoshihiro Matsubara, Haruyoshi Ohori
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Patent number: 7663296Abstract: A spark plug including: a cylindrical insulator having an axial hole extending through the insulator in an axial direction; a center electrode inserted in the axial hole; a metal shell provided around an outer periphery of the insulator and having a leading end surface, from which a leading end surface of the insulator protrudes; a ground electrode having a base end bonded to the leading end surface of the metal shell; and a noble metal tip disposed on a distal end of the ground electrode, an end of the noble metal tip protruding toward the center electrode in a radial direction, wherein: the spark plug forming a spark discharge path upon application of a discharging voltage between the protruding end of the noble metal tip and an end of the center electrode, the spark discharge path including an aerial discharge gap between a part of the protruding end of the noble metal tip and a part of the end of the insulator and a surface-creeping discharge path beginning at a part of the end of the insulator and a partType: GrantFiled: March 29, 2007Date of Patent: February 16, 2010Assignee: NGK Spark Plug Co., Ltd.Inventors: Iwao Kunitomo, Yoshihiro Matsubara, Hironobu Mizutani
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Patent number: 7528534Abstract: There is provided a spark plug wherein an insulator and a metallic shell, when observed in a section made by a plane including an axis of a spark plug, have therebetween a gap of less than 0.45 mm at a more front end side than an engagement position of a packing and a first insulator stepped portion, and the gap is provided axially from a most front end side engagement position of the packing and a first insulator stepped portion as a starting point to a finishing point that is apart from the starting point by 1.2 mm or more toward the front end side while being apart from a front end surface of the metallic shell by 7.9 mm or more toward a rear end side.Type: GrantFiled: December 15, 2004Date of Patent: May 5, 2009Assignee: NGK Spark Plug Co., Ltd.Inventors: Hiroaki Kuki, Akira Suzuki, Yoshihiro Matsubara, Kazuhiko Mori
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Patent number: 7382084Abstract: An object of the invention is to provide a spark plug having a discharge portion made of a precious metal tip, in which peeling of the precious metal tip from a surface of the discharge portion can be suppressed while spark abrasion, oxidation abrasion and abnormal abrasion of the discharge portion can be suppressed.Type: GrantFiled: March 22, 2004Date of Patent: June 3, 2008Assignee: NGK Spark Pulg Co., Ltd.Inventors: Osamu Yoshimoto, Wataru Matsutani, Yoshihiro Matsubara, Kenji Nunome
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Patent number: 7336024Abstract: A spark plug including a noble metal tip bonded to at least one of a front-end portion of a center electrode and an end portion of the ground electrode opposing the center electrode. The noble metal tip contains from 5 to 40 wt % of Rh; from 1 to 20 wt % of at least one of Ir, Re and Ru; from 0.2 to 3 wt % of Ni; and 37 wt % or more of Pt.Type: GrantFiled: December 27, 2005Date of Patent: February 26, 2008Assignee: NGK Spark Plug Co., Ltd.Inventors: Osamu Yoshimoto, Yoshihiro Matsubara
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Patent number: 7288879Abstract: A spark plug including: a cylindrical metal shell; a cylindrical insulator fixed to the metal shell; a center electrode having its leading end protruding from a leading end of the insulator and its trailing end fixed to the insulator; and a ground electrode having one end fixed to the metal shell and forming a discharge gap between the ground electrode and the center electrode. The ground electrode includes a precious metal alloy portion containing: 50 weight % or more of a first component of one of Rh and Pt; less than 50 weight % of a second component of the other of Rh and Pt; and optionally a third component containing at least one of: Ni in an amount of less than 7 weight %; and Zr in an amount of less than 2 weight % the content of the third component being less than that of the second component.Type: GrantFiled: September 29, 2004Date of Patent: October 30, 2007Assignee: NGK Spark Plug Co., Ltd.Inventors: Wataru Matsutani, Osamu Yoshimoto, Yoshihiro Matsubara
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Patent number: 7279827Abstract: An object of the invention is to provide a higher-durability spark plug provided with a center electrode and a side electrode. At least one of the center electrode and the side electrode includes a precious metal member facing a spark discharge gap between the electrodes. A sweating phenomenon of the precious metal member can be suppressed while spark abrasion, oxidation abrasion and abnormal abrasion of the precious metal member are suppressed. The precious metal member contains Ir as a main component, and smaller amounts of Rh, Ru, and Ni.Type: GrantFiled: March 22, 2004Date of Patent: October 9, 2007Assignee: NGK Spark Plug Co., Ltd.Inventors: Kenji Nunome, Osamu Yoshimoto, Wataru Matsutani, Yoshihiro Matsubara
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Publication number: 20070228916Abstract: A spark plug including: a cylindrical insulator having an axial hole extending through the insulator in an axial direction; a center electrode inserted in the axial hole; a metal shell provided around an outer periphery of the insulator and having a leading end surface, from which a leading end surface of the insulator protrudes; a ground electrode having a base end bonded to the leading end surface of the metal shell; and a noble metal tip disposed on a distal end of the ground electrode, an end of the noble metal tip protruding toward the center electrode in a radial direction, wherein: the spark plug forming a spark discharge path upon application of a discharging voltage between the protruding end of the noble metal tip and an end of the center electrode, the spark discharge path including an aerial discharge gap between a part of the protruding end of the noble metal tip and a part of the end of the insulator and a surface-creeping discharge path beginning at a part of the end of the insulator and a partType: ApplicationFiled: March 29, 2007Publication date: October 4, 2007Applicant: NGK SPARK PLUG CO., LTD.Inventors: Iwao Kunitomo, Yoshihiro Matsubara, Hironobu Mizutani
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Publication number: 20070126330Abstract: There is provided a spark plug wherein an insulator and a metallic shell, when observed in a section made by a plane including an axis of a spark plug, have therebetween a gap of less than 0.45 mm at a more front end side than an engagement position of a packing and a first insulator stepped portion, and the gap is provided axially from a most front end side engagement position of the packing and a first insulator stepped portion as a starting point to a finishing point that is apart from the starting point by 1.2 mm or more toward the front end side while being apart from a front end surface of the metallic shell by 7.9 mm or more toward a rear end side.Type: ApplicationFiled: December 15, 2004Publication date: June 7, 2007Applicant: NGK SPARK PLUG CO., LTD.Inventors: Hiroaki Kuki, Akira Suzuki, Yoshihiro Matsubara, Kazuhiko Mori
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Patent number: 7131191Abstract: In a wire drawing process for forming a wire rod containing iridium as a main component and which further contains nickel and at least one of platinum, rhodium and ruthenium, and having a cross-sectional area of not smaller than 0.05 mm2 and not larger than 1.2 mm2. The worked material is continuously heated red hot and/or white hot in a heating region 103 extending up to 60 mm from the work inserting surface 101a of a die 101 in a direction opposite that in which the work 102 moves, the work being heated to a temperature of 1000 to 1150° C. at a temperature measuring position 105 which is removed from the work inserting surface 101a by 20 mm. Furthermore, the temperature in the region 106 extending from the temperature measuring position 105 to the work inserting surface 101a is set to not lower than 1000° C., and the wire drawing rate is set to 300 to 1600 mm/min.Type: GrantFiled: April 14, 2004Date of Patent: November 7, 2006Assignee: NGK Spark Plug Co., Ltd.Inventors: Wataru Matsutani, Osamu Yoshimoto, Yoshihiro Matsubara
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Publication number: 20060152129Abstract: A spark plug including a noble metal tip bonded to at least one of a front-end portion of a center electrode and an end portion of the ground electrode opposing the center electrode. The noble metal tip contains from 5 to 40 wt % of Rh; from 1 to 20 wt % of at least one of Ir, Re and Ru; from 0.2 to 3 wt % of Ni; and 37 wt % or more of Pt.Type: ApplicationFiled: December 27, 2005Publication date: July 13, 2006Inventors: Osamu Yoshimoto, Yoshihiro Matsubara
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Publication number: 20060061250Abstract: An object of the invention is to provide a spark plug having a discharge portion made of a precious metal tip, in which peeling of the precious metal tip from a surface of the discharge portion can be suppressed while spark abrasion, oxidation abrasion and abnormal abrasion of the discharge portion can be suppressed.Type: ApplicationFiled: March 22, 2004Publication date: March 23, 2006Inventors: Osamu Yoshimoto, Wataru Matsutani, Yoshihiro Matsubara, Kenji Nunome
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Publication number: 20060043856Abstract: A spark plug including: a cylindrical metal shell; a cylindrical insulator fixed to the metal shell; a center electrode having its leading end protruding from a leading end of the insulator and its trailing end fixed to the insulator, and a ground electrode having one end fixed to the metal shell and forming a discharge gap between the ground electrode and the center electrode. The ground electrode includes a precious metal alloy portion containing: 50 weight % or more of a first component of one of Rh and Pt; less than 50 weight % of a second component of the other of Rh and Pt; and optionally a third component containing at least one of: Ni in an amount of less than 7 weight %; and Zr in an amount of less than 2 weight % the content of the third component being less than that of the second component.Type: ApplicationFiled: September 29, 2004Publication date: March 2, 2006Inventors: Wataru Matsutani, Osamu Yoshimoto, Yoshihiro Matsubara
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Publication number: 20060043855Abstract: An object of the invention is to provide a higher-durability spark plug provided with a center electrode and a side electrode to form a spark discharge gap between the center electrode and the side electrode, at least one of the center electrode and the side electrode including a precious metal member facing the spark discharge gap, in which a sweating phenomenon of the precious metal member can be suppressed while spark abrasion, oxidation abrasion and abnormal abrasion of the precious metal member can be suppressed. In the invention, the spark plug (100) comprises a center electrode (3), and a side electrode (4) located on one side of the center electrode (3) so that a spark discharge gap (G) is formed between the center electrode (3) and the side electrode (4). The center electrode (3) and the side electrode (4) include first and second precious metal tips (33) and (43) respectively.Type: ApplicationFiled: March 22, 2004Publication date: March 2, 2006Inventors: Kenji Nunome, Osamu Yoshimoto, Wataru Matsutani, Yoshihiro Matsubara
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Patent number: RE41944Abstract: In a wire drawing process for forming a wire rod containing iridium as a main component and which further contains nickel and at least one of platinum, rhodium and ruthenium, and having a cross-sectional area of not smaller than 0.05 mm2 and not larger than 1.2 mm2. The worked material is continuously heated red hot and/or white hot in a heating region 103 extending up to 60 mm from the work inserting surface 101a of a die 101 in a direction opposite that in which the work 102 moves, the work being heated to a temperature of 1000 to 1150° C. at a temperature measuring position 105 which is removed from the work inserting surface 101a by 20 mm. Furthermore, the temperature in the region 106 extending from the temperature measuring position 105 to the work inserting surface 101a is set to not lower than 1000° C., and the wire drawing rate is set to 300 to 1600 mm/min.Type: GrantFiled: October 24, 2008Date of Patent: November 23, 2010Assignee: NGK Spark Plug Co., Ltd.Inventors: Wataru Matsutani, Osamu Yoshimoto, Yoshihiro Matsubara