Patents by Inventor Keita Kobayashi
Keita Kobayashi 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: 20190391846Abstract: The semiconductor integrated circuit includes a plurality of CPUs (big CPU and LITTLE CPU). Each of CPUs has a different performance respectively. The semiconductor integrated circuit determines an effective CPU allocated to a task realized by at least one of the plurality of functional blocks according to the device table defining a relationship between the plurality of functional blocks and any one of the plurality of CPUs.Type: ApplicationFiled: May 14, 2019Publication date: December 26, 2019Inventors: Keita KOBAYASHI, Takahiko GOMI, Ryu NAGASAWA
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Publication number: 20190291569Abstract: A vehicle cooling system includes a circulation flow path section which has a first flow path section and a second flow path section, and a solenoid valve which can switch between an open state in which the first flow path section and the second flow path section are connected and a closed state in which the first flow path section and the second flow path section are blocked. The circulation flow path section includes a valve body accommodating section configured to include a first accommodating section and a second accommodating section which connects the first flow path section and the second flow path section in the open state, and a connection flow path section whose one end is connected to the first flow path section. The other end of the connection flow path section opens to the first accommodating section.Type: ApplicationFiled: March 21, 2019Publication date: September 26, 2019Inventors: Naoki HIRAOKA, Tomoya OZAWA, Takashi ASAI, Daisuke MURATA, Keita KOBAYASHI, Tomohiro YASUDA, Kenro TAKAHASHI
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Publication number: 20190293202Abstract: An electromagnetic valve and a flow path device are provided, and the electromagnetic valve includes: a main body, a tube member and a connection flow path portion. A movable portion has a shaft portion, a valve body and a partitioning portion. The partitioning portion is located on the one side in the axial direction beyond the valve body and partitions the inner portion of the tube member into a first accommodation portion and a second accommodation portion. The second flow path portion is connected to the second accommodation portion in the opened state. The connection flow path portion is provided at the movable portion and connects the first flow path portion to the first accommodation portion in the closed state. The first accommodation portion is able to accommodate a fluid flowing through the first flow path portion and is disconnected from the second flow path portion in the closed state.Type: ApplicationFiled: March 21, 2019Publication date: September 26, 2019Applicant: NIDEC TOSOK CORPORATIONInventors: Daisuke MURATA, Keita KOBAYASHI, Tomohiro YASUDA, Kenro TAKAHASHI
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Publication number: 20190062631Abstract: Provided are a phosphor having long-term reliability and high luminance, and a white light emitting device using the phosphor. In a ?-type SiAlON phosphor (a), the volume median particle size D50 [?m] and the average particle size R [?m] calculated from a surface area measured by an air permeability method satisfy the following formula (1): D50/R<1.Type: ApplicationFiled: January 13, 2017Publication date: February 28, 2019Applicant: Denka Company LimitedInventors: Keita KOBAYASHI, Hideyuki EMOTO
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Publication number: 20190057535Abstract: A first region including an input first word and having a first background color and a second region including a second word decided independently of the first word and having a second background color are collided with each other on a screen, and a third region in which the two collided regions fuse with each other is displayed. At the same time, the first word and the second word are displayed as if they were continuous words in the third region. This is displayed as a moving image with a continuous motion.Type: ApplicationFiled: August 9, 2018Publication date: February 21, 2019Inventors: Masaki Ueyama, Yusuke Okutani, Ryosuke Sakuma, Yamato Honda, Keita Kobayashi
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Patent number: 9937114Abstract: An object of the present disclosure is to investigate fluorescent substance being safe and having a high color developing property, and obtain an inorganic red fluorescent substance consisting of an element which exerts no bad influence upon human bodies. A cosmetic containing inorganic particles consisting of a compound represented by a general formula: MgxTiyO(x+2y+2z):Mn4+z wherein 1.5<x<2.5, 0.5<y?1.5, and 0.0001<z<0.1.Type: GrantFiled: July 3, 2015Date of Patent: April 10, 2018Assignee: SAKAI CHEMICAL INDUSTRY CO., LTD.Inventors: Emi Sako, Keita Kobayashi
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Publication number: 20170202759Abstract: An object of the present disclosure is to investigate fluorescent substance being safe and having a high color developing property, and obtain an inorganic red fluorescent substance consisting of an element which exerts no bad influence upon human bodies. A cosmetic containing inorganic particles consisting of a compound represented by a general formula: MgxTiyO(x+2y+2z):Mn4+z wherein 1.5<x<2.5, 0.5<y?1.5, and 0.0001<z<0.1.Type: ApplicationFiled: July 3, 2015Publication date: July 20, 2017Inventors: Emi SAKO, Keita KOBAYASHI
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Publication number: 20170027827Abstract: The inventors have investigated a fluorescent substance being safe and having a high color developing property, and it is one of objects of the present disclosure to obtain an inorganic red fluorescent substance consisting of an element which exerts no bad influence upon human bodies. A cosmetic containing inorganic particles consisting of a compound represented by a general formula: CaxAlyO(2x+3y+4z)/2:Mn4+z wherein 0.1<x<1.05, 11.9<y?12, and 0.0005<z<0.1.Type: ApplicationFiled: April 27, 2015Publication date: February 2, 2017Inventors: Mayu OTA, Hiroshi TSUJITA, Kenji MORI, Keita KOBAYASHI
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Publication number: 20170002264Abstract: A mechanoluminescent material is obtained by mixing a phosphate compound and europium-activated strontium aluminate particles into slurry; grinding the slurry into ground slurry; and drying the ground slurry, wherein the rate of change calculated from a formula (A?B)/A×100 is 10% or less, where A is the strontium content in the obtained mechanoluminescent material, and B is the strontium content in the mechanoluminescent material after 168 hours of storage in an atmosphere at a temperature of 85° C. and a relative humidity of 85%.Type: ApplicationFiled: December 5, 2014Publication date: January 5, 2017Inventors: Takahiro KAWATAKI, Kenji MORI, Keita KOBAYASHI, Hiroshi NAKAO, Tomonori TOJO
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Patent number: 9525110Abstract: An object of the invention is to provide a phosphor that emits a light containing much red and green light components and a light-emitting device and a lighting apparatus comprising the phosphor that have favorable color rendering properties. An oxide nitride phosphor having a garnet structure represented by Formula [1]: AwAlxCy:Cez, in Formula [1], A=(Lua,Yb), a+b=1, 0<a<1, 0<b<1, C?(Oc,Nd), 10?c+d?16, 1.4?c/d, 2?w+z?4, 4.0<x?7.0); the molar ratio of Ce/A is ?0.015 and the nitrogen content is 0.007 mass % or more.Type: GrantFiled: September 19, 2013Date of Patent: December 20, 2016Assignee: Denka Company LimitedInventors: Keita Kobayashi, Yasuhito Fushii
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Patent number: 9401459Abstract: A high-brightness phosphor having high-temperature characteristics and long-term reliability, and a white light-emitting device using this phosphor are provided. The phosphor contains a silicate phosphor (A) having a peak wavelength of at least 525 nm but not higher than 535 nm and fluorescence intensity of at least 250% but not higher than 270%; an oxynitride phosphor (B) having a peak wavelength of at least 540 nm but not higher than 545 nm and fluorescence intensity of at least 260% but not higher than 280%; and an nitride phosphor (C) having a peak wavelength of at least 615 nm but not higher than 625 nm, wherein the amount of the silicate phosphor (A) is at least 20% but not higher than 35% by mass, the amount of the oxynitride phosphor (B) is at least 50% but not higher than 70% by mass, and the amount of the nitride phosphor (C) is at least 10% but not higher than 20% by mass.Type: GrantFiled: August 9, 2012Date of Patent: July 26, 2016Assignee: DENKA COMPANY LIMITEDInventors: Keita Kobayashi, Kohki Ichikawa, Yasuhito Fushii, Hideyuku Emoto, Suzuya Yamada
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Patent number: 9376319Abstract: An object of the present invention is to provide rounded zinc peroxide particles having a large particle diameter, the rounded zinc peroxide particles having excellent performance because they have an average particle diameter of 0.04 ?m or more, a small aspect ratio and a shape close to a spherical shape; rounded zinc oxide particles which are obtained by calcinating the rounded zinc peroxide particles and which have a small aspect ratio and a sharp particle size distribution; a method for production thereof; and a cosmetic and a heat releasing filler each containing the rounded zinc oxide particles. Provided are rounded zinc peroxide particles having an average particle diameter of 0.04 ?m or more and an aspect ratio of 2.0 or less, and rounded zinc oxide particles which are obtained by thermally decomposing the rounded zinc peroxide particles and which have an average particle diameter of 0.04 ?m or more and an aspect ratio of 2.0 or less.Type: GrantFiled: June 8, 2012Date of Patent: June 28, 2016Assignee: Sakai Chemical Industry Co., Ltd.Inventors: Satoru Sueda, Atsuki Terabe, Mitsuo Hashimoto, Koichiro Magara, Keita Kobayashi
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Patent number: 9309459Abstract: A high-brightness phosphor having high-temperature characteristics and long-term reliability, and a white light-emitting device using this phosphor are provided. The phosphor contains a silicate phosphor (A) having a peak wavelength of at least 525 nm but not higher than 535 nm and fluorescence intensity of at least 250% but not higher than 270%; an oxynitride phosphor (B) having a peak wavelength of at least 540 nm but not higher than 545 nm and fluorescence intensity of at least 260% but not higher than 280%; and an oxynitride phosphor (C) having a peak wavelength of at least 645 nm but not higher than 655 nm, wherein the amount of the silicate phosphor (A) is at least 20% but not higher than 35% by mass, the amount of the oxynitride phosphor (B) is at least 50% but not higher than 70% by mass, and the amount of the oxynitride phosphor (C) is at least 10% but not higher than 20% by mass.Type: GrantFiled: August 9, 2012Date of Patent: April 12, 2016Assignee: DENKA COMPANY, LIMITEDInventors: Keita Kobayashi, Yasuhito Fushii, Kohki Ichikawa, Suzuya Yamada, Hideyuku Emoto
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Publication number: 20160053172Abstract: The present invention aims to provide a mechanoluminescent material which is excellent in mechanoluminescent properties and can achieve a mechanoluminescence intensity sufficiently suited to practical use, a raw material composition for producing the mechanoluminescent material, and a method for producing a mechanoluminescent material. The mechanoluminescent material of the present invention includes strontium aluminate as a base material, a Eu ion, and at least one ion selected from the group consisting of Nd, Dy, and Ho. An amount of the Eu ion contained in the mechanoluminescent material is 0.0001 to 0.1 mol per mole of the strontium aluminate. An amount of the at least one ion selected from the group consisting of Nd, Dy, and Ho contained in the mechanoluminescent material is, as the sum of amounts of the three ions Nd, Dy, and Ho, 0.0001 to 0.01 mol per mole of the strontium aluminate.Type: ApplicationFiled: March 26, 2014Publication date: February 25, 2016Applicants: Sakai Chemical Industry Co., Ltd., National Institute of Advanced Industrial Science and TechnologyInventors: Kenji MORI, Keita KOBAYASHI, Hiroshi NAKAO, Tomonori TOJO, Chao-Nan XU
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Patent number: 9264745Abstract: According to one embodiment, a video server apparatus includes a table generator, an acquisition module, and a controller. The table generator generates a management table associating a contents ID with the contents data, and stores the management table in the memory. The acquisition module acquires contents management information from a change request source upon generation of a change request for the contents data. The controller refers to the management table based on the contents ID included in the contents management information, executes change processing for the contents data recorded in the memory based on a reference result of the management table.Type: GrantFiled: January 31, 2012Date of Patent: February 16, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Naoko Satoh, Shuichi Yamaguchi, Toshiki Mori, Hiroyuki Watanabe, Hiroyuki Wada, Keita Kobayashi
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Publication number: 20150280079Abstract: An object of the invention is to provide a phosphor that emits a light containing much red and green light components and a light-emitting device and a lighting apparatus comprising the phosphor that have favorable color rendering properties. An oxide nitride phosphor having a garnet structure represented by Formula [1]: AwAlxCy:Cez, in Formula [1], A=(Lua,Yb), a+b=1, 0<a<1, 0<b<1, C?(Oc,Nd), 10?c+d?16, 1.4?c/d, 2?w+z?4, 4.0<x?7.0); the molar ratio of Ce/A is ?0.015 and the nitrogen content is 0.007 mass % or more.Type: ApplicationFiled: September 19, 2013Publication date: October 1, 2015Applicant: DENKI KAGAKU KOGYO KABUSHIKI KAISHAInventors: Keita Kobayashi, Yasuhito Fushii
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Patent number: 9029459Abstract: Provided is a curable composition which contains: an organic peroxide encapsulated in microcapsules which further contains a plasticizer; an accelerator which reacts with the organic peroxide to accelerate polymerization; (meth)acrylate compounds which may contain a (meth)acrylate having a carboxylic group and a (meth)acrylate having an alicyclic hydrocarbon; and a multifunctional (meth)acrylate different from the (meth)acrylate having a carboxylic group. The curable composition exhibits a quick curing rate.Type: GrantFiled: June 11, 2008Date of Patent: May 12, 2015Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Keita Kobayashi, Kimihiko Yoda, Jun Watanabe
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Publication number: 20150084079Abstract: A high-brightness phosphor having high-temperature characteristics and long-term reliability, and a white light-emitting device using this phosphor are provided. The phosphor contains a silicate phosphor (A) having a peak wavelength of at least 525 nm but not higher than 535 nm and fluorescence intensity of at least 250% but not higher than 270%; an oxynitride phosphor (B) having a peak wavelength of at least 540 nm but not higher than 545 nm and fluorescence intensity of at least 260% but not higher than 280%; and an oxynitride phosphor (C) having a peak wavelength of at least 645 nm but not higher than 655 nm, wherein the amount of the silicate phosphor (A) is at least 20% but not higher than 35% by mass, the amount of the oxynitride phosphor (B) is at least 50% but not higher than 70% by mass, and the amount of the oxynitride phosphor (C) is at least 10% but not higher than 20% by mass.Type: ApplicationFiled: August 9, 2012Publication date: March 26, 2015Applicant: DENKI KAGAKU KOGYO KABUSHIKI KAISHAInventors: Keita Kobayashi, Yasuhito Fushii, Kohki Ichikawa, Suzuya Yamada, Hideyuku Emoto
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Publication number: 20150054010Abstract: A high-brightness phosphor having high-temperature characteristics and long-term reliability, and a white light-emitting device using this phosphor are provided. The phosphor contains a silicate phosphor (A) having a peak wavelength of at least 525 nm but not higher than 535 nm and fluorescence intensity of at least 250% but not higher than 270%; an oxynitride phosphor (B) having a peak wavelength of at least 540 nm but not higher than 545 nm and fluorescence intensity of at least 260% but not higher than 280%; and an nitride phosphor (C) having a peak wavelength of at least 615 nm but not higher than 625 nm, wherein the amount of the silicate phosphor (A) is at least 20% but not higher than 35% by mass, the amount of the oxynitride phosphor (B) is at least 50% but not higher than 70% by mass, and the amount of the nitride phosphor (C) is at least 10% but not higher than 20% by mass.Type: ApplicationFiled: August 9, 2012Publication date: February 26, 2015Applicant: DENKI KAGAKU KOGYO KABUSHIKI KAISHAInventors: Keita Kobayashi, Kohki Ichikawa, Yasuhito Fushii, Hideyuku Emoto, Suzuya Yamada
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Publication number: 20140212669Abstract: An object of the present invention is to provide rounded zinc peroxide particles having a large particle diameter, the rounded zinc peroxide particles having excellent performance because they have an average particle diameter of 0.04 ?m or more, a small aspect ratio and a shape close to a spherical shape; rounded zinc oxide particles which are obtained by calcinating the rounded zinc peroxide particles and which have a small aspect ratio and a sharp particle size distribution; a method for production thereof; and a cosmetic and a heat releasing filler each containing the rounded zinc oxide particles. Provided are rounded zinc peroxide particles having an average particle diameter of 0.04 ?m or more and an aspect ratio of 2.0 or less, and rounded zinc oxide particles which are obtained by thermally decomposing the rounded zinc peroxide particles and which have an average particle diameter of 0.04 ?m or more and an aspect ratio of 2.0 or less.Type: ApplicationFiled: June 8, 2012Publication date: July 31, 2014Applicant: Sakai Chemical Industry Co., Ltd.Inventors: Satoru Sueda, Atsuki Terabe, Mitsuo Hashimoto, Koichiro Magara, Keita Kobayashi