Patents by Inventor Takaki Masaki
Takaki Masaki 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: 9287045Abstract: There are provided a dielectric ceramic composition and a multilayer ceramic capacitor including the same. The dielectric ceramic composition according to embodiments of the present disclosure includes a base powder represented by xSrTiO3-(1?x)BiMO3 (M includes Mg and Ti) containing a first main component represented by SrTiO3 and a second main component represented by BiMO3, wherein x satisfies 0.5?x?0.9.Type: GrantFiled: December 3, 2013Date of Patent: March 15, 2016Assignees: SAMSUNG ELECTRO-MECHANICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Seok Hyun Yoon, Dae Ho Yoon, Suk Hyun Song, Takaki Masaki, Doo Young Kim, Sang Huk Kim, Jong Bong Lim
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Publication number: 20150062774Abstract: There are provided a dielectric ceramic composition and a multilayer ceramic capacitor including the same. The dielectric ceramic composition according to embodiments of the present disclosure includes a base powder represented by xSrTiO3-(1?x)BiMO3 (M includes Mg and Ti) containing a first main component represented by SrTiO3 and a second main component represented by BiMO3, wherein x satisfies 0.5?x?0.9.Type: ApplicationFiled: December 3, 2013Publication date: March 5, 2015Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun YOON, Dae Ho YOON, Suk Hyun SONG, Takaki MASAKI, Doo Young KIM, Sang Huk KIM, Jong Bong LIM
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Publication number: 20120187339Abstract: The present disclosure relates to a producing method for oxynitride or nitride phosphor powders which can be used in displays such as vacuum fluorescent display (VFD), field emission display (FED) and LED display devices, or in lighting devices such as cold cathode fluorescent lamps (CCFL) and LED lamps, or in light-emitting apparatuses such as back-lights, wherein the producing method for phosphor powders comprises the step of subjecting part or all of a metal oxide to nitriding by calcining in an atmosphere containing nitrogen, using a fine carbon substance.Type: ApplicationFiled: January 27, 2012Publication date: July 26, 2012Applicants: DAE JOO ELECTRONIC MATERIALS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Dae Ho YOON, Deok Su Jo, Takaki Masaki, Young Hyun Song, Ii-Ji Lim, Sang-Hyuk Han
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Publication number: 20090189122Abstract: Disclosed is a method for preparing an oxide nano phosphor. A metal precursor solution is prepared. The metal precursor solution is impregnated into a porous polymer material. A heat treatment is performed on the porous polymer material having the metal precursor solution impregnated therein. The heat treatment is performed by heating the porous polymer material having the metal precursor impregnated therein up to a temperature of higher than 500° C. solution at a temperature elevating rate of higher than 100° C. per minute.Type: ApplicationFiled: May 29, 2008Publication date: July 30, 2009Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae-gon KIM, Dae-ho YOON, Takaki MASAKI, Woo-jung PARK, Mong-Kwon JUNG, Seoung-jae IM
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Publication number: 20090110630Abstract: Disclosed is a method of manufacturing vanadium oxide nanoparticles, which can prepare vanadium oxide particles having a size of tens of nanometers with high yield by using a simple, low-cost process. The method of manufacturing vanadium oxide nanoparticles includes preparing a solution containing a vanadium salt; impregnating an organic polymer including a nanosized pore with the prepared solution; and heating the organic polymer impregnated with the vanadium salt solution until the organic polymer is fired.Type: ApplicationFiled: October 8, 2008Publication date: April 30, 2009Inventors: Chul Tack LIM, Chang Hwan CHOI, Byoung Jin CHUN, Jin Hyuck YANG, Takaki MASAKI
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Patent number: 7455879Abstract: A method for producing a plasma display comprises the step of continuously applying a phosphor paste containing a phosphor powder and an organic compound onto a substrate with a plurality of barrier ribs, from a paste applicator with a plurality of outlet holes. A method for producing a plasma display comprises the steps of coating a substrate with a plurality of baffler ribs, with three phosphor pastes respectively containing a phosphor powder emitting light of red, green or blue, as stripes in the spaces between the respectively adjacent baffler ribs on the substrate, from a paste applicator with outlet holes, and heating to form a phosphor layer.Type: GrantFiled: December 16, 1997Date of Patent: November 25, 2008Assignee: Toray Industries, Inc.Inventors: Yuichiro Iguchi, Masahiro Matsumoto, Yuko Mikami, Takaki Masaki, Takao Sano, Yoshiyuki Kitamura, Yoshinori Tani, Hideki Ikeuchi
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Publication number: 20080149892Abstract: Disclosed herein is a method for preparing nanophosphor powders. The method includes impregnating an aqueous solution of one or more metal salts into a fine crystalline polymeric material, drying the impregnated polymeric material, and subjecting the polymeric material to heat-treatment.Type: ApplicationFiled: October 31, 2007Publication date: June 26, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: DAE HO YOON, TAKAKI MASAKI, WOO JUNG PARK, MONG KWON JUNG
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Patent number: 7004812Abstract: A display member, particularly a plasma display member, can be produced by applying a past which includes a urethane compound and inorganic fine particles onto a substrate and then firing the paste. The display member has a post-firing pattern without any defect.Type: GrantFiled: May 22, 2001Date of Patent: February 28, 2006Assignee: Toray Industries, Inc.Inventors: Hiroko Uegaki, Norikazu Tabata, Takaki Masaki, Hiromitsu Takahashi, Akihiko Tanaka, Mitsuyo Hashimoto
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Publication number: 20050079447Abstract: A display member, particularly a plasma display member, can be produced by a process comprising applying a paste which comprises a urethane compound and inorganic fine particles onto a substrate and then firing the paste. The display member has a post-firing pattern without any defect.Type: ApplicationFiled: September 30, 2004Publication date: April 14, 2005Applicant: Toray Industries, Inc.Inventors: Hiroko Uegaki, Norikazu Tabata, Takaki Masaki, Hiromitsu Takahashi, Akihiko Tanaka, Mitsuyo Hashimoto
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Patent number: 6870315Abstract: A board for a plasma color display, on which striped barrier ribs for partitioning address electrodes and discharge spaces are formed, and on which phosphor layer stripes emitting light of red, green and blue are formed in the grooves between the respectively adjacent barrier ribs, characterized in that the following relation is satisfied Pb>Pr where Pr is the distance between respectively adjacent barrier ribs for forming a red light emitting phosphor layer, and Pb is the distance between respectively adjacent barrier ribs for forming a blue light emitting phosphor layer, and that the height differences of the barrier ribs within the board face are within ±0.5˜±6 ?m in reference to the average height of the barrier ribs, or characterized in that phosphor layer stripes respectively emitting light of the same color are formed in respectively adjacent two or more grooves.Type: GrantFiled: August 25, 2003Date of Patent: March 22, 2005Assignee: Toray Industries, Inc.Inventors: Yuichiro Iguchi, Yuukichi Deguchi, Michio Takagi, Takaki Masaki, Yuko Mikami
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Publication number: 20040056596Abstract: A board for a plasma color display, on which striped barrier ribs for partitioning address electrodes and discharge spaces are formed, and on which phosphor layer stripes emitting light of red, green and blue are formed in the grooves between the respectively adjacent barrier ribs, characterized in that the following relation is satisfiedType: ApplicationFiled: August 25, 2003Publication date: March 25, 2004Applicant: Toray Industries, Inc.Inventors: Yuichiro Iguchi, Yuukichi Deguchi, Michio Takagi, Takaki Masaki, Yuko Mikami
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Patent number: 6635992Abstract: A board for a plasma color display, on which striped barrier ribs for partitioning address electrodes and discharge spaces are formed, and on which phosphor layer stripes emitting light of red, green and blue are formed in the grooves between the respectively adjacent barrier ribs, characterized in that the following relation is satisfied Pb>Pr where Pr is the distance between respectively adjacent barrier ribs for forming a red light emitting phosphor layer, and Pb is the distance between respectively adjacent barrier ribs for forming a blue light emitting phosphor layer, and that the height differences of the barrier ribs within the board face are within ±0.5˜±6 &mgr;m in reference to the average height of the barrier ribs, or characterized in that phosphor layer stripes respectively emitting light of the same color are formed in respectively adjacent two or more grooves.Type: GrantFiled: July 21, 2000Date of Patent: October 21, 2003Assignee: Toray Industries, Inc.Inventors: Yuichiro Iguchi, Yuukichi Deguchi, Michio Takagi, Takaki Masaki, Yuko Mikami
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Patent number: 6576391Abstract: To provide a photosensitive paste that permits pattern formation with a high aspect ratio and a high accuracy and to provide a plasma display comprising said photosensitive paste, by using a photosensitive paste that comprises, as essential components, an inorganic particles and an organic component that contains a photosensitive compound with the difference between the average refractive index of the organic component and the average refractive index of the inorganic particles being 0.1 or less.Type: GrantFiled: September 7, 1999Date of Patent: June 10, 2003Assignee: Toray Industries, Inc.Inventors: Yuichiro Iguchi, Takaki Masaki, Keiji Iwanaga
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Patent number: 6507148Abstract: To provide a photosensitive paste that permits pattern formation with a high aspect ratio and a high accuracy and to provide a plasma display comprising said photosensitive paste, by using a photosensitive paste that comprises, as essential components, an inorganic particles and an organic component that contains a photosensitive compound with the difference between the average refractive index of the organic component and the average refractive index of the inorganic particles being 0.1 or less.Type: GrantFiled: November 24, 1999Date of Patent: January 14, 2003Assignee: Toray Industries, Inc.Inventors: Yuichiro Iguchi, Takaki Masaki, Keiji Iwanaga
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Publication number: 20020008470Abstract: A display member, particularly a plasma display member, can be produced by a process comprising applying a paste which comprises a urethane compound and inorganic fine particles onto a substrate and then firing the paste. The display member has a post-firing pattern without any defect.Type: ApplicationFiled: May 22, 2001Publication date: January 24, 2002Inventors: Hiroko Uegaki, Norikazu Tabata, Takaki Masaki, Hiromitsu Takahashi, Akihiko Tanaka, Mitsuyo Hashimoto
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Publication number: 20020009536Abstract: Since a widely applicable high quality plasma display equipped with a phosphor layer suitable as a highly precise plasma display can be produced continuously at a high productivity level, an industrially advantageous method and apparatus for producing a plasma display can be provided. The highly precise plasma display obtained in the present invention can be widely used in the display field, for example, for wall mounted television sets, information displays, etc.Type: ApplicationFiled: August 11, 1998Publication date: January 24, 2002Inventors: YUICHIRO IGUCHI, MASAHIRO MATSUMOTO, YUKO MIKAMI, TAKAKI MASAKI, TAKAO SANO, YOSHIYUKI KITAMURA, YOSHINORI TANI, HIDEKI IKEUCHI
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Patent number: 6197480Abstract: To provide a photosensitive paste that permits pattern formation with a high aspect ratio and a high accuracy and to provide a plasma display including the photosensitive paste, by using a photosensitive paste that includes, as essential components, an inorganic particles and an organic component that contains a photosensitive compound with the difference between the average refractive index of the organic component and the average refractive index of the inorganic particles being 0.1 or less.Type: GrantFiled: July 21, 1997Date of Patent: March 6, 2001Assignee: Toray Industries, Inc.Inventors: Yuichiro Iguchi, Takaki Masaki, Keiji Iwanaga
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Patent number: 6184621Abstract: The plasma display of the present invention is a plasma display in which a dielectric layer and stripe-shaped barrier ribs are formed on a substrate, and it is characterized in that there are inclined regions at the lengthwise direction ends of said barrier ribs and, furthermore, the height (Y) of the inclined regions and the length (X) of the base of the inclined regions are within the range 0.5≦X/Y≦100. Moreover, the method of the present invention for manufacturing a plasma display is characterized in that the aforesaid stripe-shaped barrier ribs are formed via a process in which a pattern of stripe-shaped barrier ribs having inclined regions at the ends is formed on a substrate using a barrier rib paste comprising inorganic material and organic component, and a process in which said barrier rib pattern is fired.Type: GrantFiled: April 26, 1999Date of Patent: February 6, 2001Assignee: Toray Industries, Inc.Inventors: Ken Horiuchi, Yuichiro Iguchi, Takaki Masaki, Go Moriya, Yukichi Deguchi, Kiwame Arizumi, Yoshiyuki Kitamura, Yoshinori Tani, Isamu Sakuma
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Patent number: 6159322Abstract: A photosensitive ceramic green sheet having an inorganic powder including 30% or more of a glass powder and a photosensitive organic component as essential components, characterized by satisfying -0.05.ltoreq.N2-N1.ltoreq.0.1 where N1 is the average refractive index of the organic component and N2 is the average refractive index of the inorganic powder is used to provide a highly accurate ceramic package with a high aspect ratio.Type: GrantFiled: February 17, 1998Date of Patent: December 12, 2000Assignee: Toray Industries, Inc.Inventors: Tomohiko Ogata, Takaki Masaki, Yuichiro Iguchi, Tuyosi Tanaka, Keiji Iwanaga
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Patent number: 6043604Abstract: With barrier ribs having a specified form, the strength and the adhesiveness to the substrate board are improved, and a high-resolution plasma display with suppressed meandering, falling and peeling of the barrier rib and wire breakage is provided. In addition, coating uniformity of the phosphor is improved, a high-resolution plasma display with low luminance irregularity is provided. Furthermore, a high-luminance high resolution plasma display with excellent luminance characteristic is provided.Type: GrantFiled: March 10, 1998Date of Patent: March 28, 2000Assignee: Toray Industries, Inc.Inventors: Ken Horiuchi, Yuichiro Iguchi, Takaki Masaki, Go Moriya