Patents by Inventor Masaaki Kawai
Masaaki Kawai 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: 8092624Abstract: There is provided a bonding material composition for obtaining a joined body by unitarily joining two or more members to be joined by means of a bonding material layer, wherein the bonding material composition contains flat particles, non-flat particles, smectite-based clay, and an inorganic adhesive as main components. The bonding material composition costs little, can relax thermal stress generated in the joined body without using fibers which may do harm to a human body, and can reduce defects such as a crack and a void upon drying or a thermal treatment.Type: GrantFiled: December 6, 2007Date of Patent: January 10, 2012Assignee: NGK Insulators, Ltd.Inventors: Takahiro Tomita, Kenji Morimoto, Katsuhiro Inoue, Masaaki Kawai, Suguru Kodama
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Publication number: 20120000358Abstract: There is provided a zeolite separation membrane-provided article having gaps or pores larger than pores inherent to zeolite crystals and controlled within an appropriate range and being capable of achieving both high permeability and high separability for components with small difference in adsorption properties or a component having a smaller molecular diameter than the diameter of the pores, a method for producing the same, a method for separating mixed fluids, and a device for separating mixed fluids. The zeolite separation membrane-provided article is provided with a zeolite membrane having an N2 gas permeation speed at room temperature of 1.0×10?6 mol·m?2·s?1·Pa?1 or more and a permeation speed ratio of 1,3,5-trimethylbenzene/N2 at room temperature of 0.17 or more and being free from dyeing caused by the impregnation with Rhodamine B.Type: ApplicationFiled: September 13, 2011Publication date: January 5, 2012Applicant: NGK Insulators, Ltd.Inventors: Masaaki KAWAI, Toshihiro TOMITA, Nobuhiko MORI, Aya SATOH
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Publication number: 20110318768Abstract: The present invention provides a method for determining sensitivity of the tumor cells to an EGFR and/or HER2 inhibitor by evaluating inhibitory capacity of an Src inhibitor in a sample for measuring tyrosine kinase activity which is prepared from a biological sample containing tumor cells, a computer program and a method for determining effectiveness.Type: ApplicationFiled: June 22, 2011Publication date: December 29, 2011Applicant: SYSMEX CORPORATIONInventors: Masaaki KAWAI, Yasuhiro TORIKOSHI, Keigo GOHDA
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Patent number: 7957557Abstract: A tracing device and a tracing method for realizing a real-time trace of a moving object such as a person from a time-varying image by method of a light processing load, and for learning features through the trace thereby to realize a trace of higher precision. The tracing device divides time-varying data inputted into partial images (in a strip or rectangle shape), and compares the background image containing no tracing object thereby with the current image thereby to extract the divided image having the tracing object. In order to discriminate the tracing object, moreover, the tracing device calculates the color high-level local self-correlated data, from which the features of color and shape can be extracted all at once, and performs the discrimination on the basis of a distance from the featuring data of the tracing object registered. The tracing device updates the background image and the registered featuring data into the latest ones.Type: GrantFiled: December 9, 2005Date of Patent: June 7, 2011Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Nobuyuki Otsu, Masaaki Kawai
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Patent number: 7729847Abstract: The combustion air-fuel ratio is made leaner than the stoichiometric air-fuel ratio at the time of engine startup and the combustion air-fuel ratio is made richer than the stoichiometric air-fuel ratio and the exhaust downstream part of the three-way catalyst apparatus is raised in temperature when it is judged that just the exhaust upstream part of the three-way catalyst apparatus arranged in the engine exhaust system has been raised to the catalyst activation temperature.Type: GrantFiled: February 7, 2007Date of Patent: June 1, 2010Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroaki Mizoguchi, Takahiko Fujiwara, Kunihiko Nakata, Kenji Sakurai, Hiroki Ichinose, Masaaki Kawai, Atsunori Hirata
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Publication number: 20100033796Abstract: An optical module includes a mirror which reflects input light and which outputs output light; and a mirror control section which is opposite to the mirror and which controls, at the time of the input light being reflected from a reflecting surface of the mirror, the reflecting surface by distorting the reflecting surface according to voltage applied to the mirror so as to output the output light an optical coupling characteristic of which changes. By using this optical module, the optical coupling characteristic of the output light changes.Type: ApplicationFiled: July 29, 2009Publication date: February 11, 2010Applicants: FUJITSU LIMITED, THE UNIVERSITY OF TOKYOInventors: Shinji Yamashita, Tsuyoshi Yamamoto, Masaaki Kawai, Hiroyuki Fujita
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Publication number: 20100011749Abstract: An object of the present invention is to provide an exhaust gas purifying apparatus for an internal combustion engine which can successfully achieve a good balance between reduction of exhaust emission and removal of particulate matter PM. An upstream side three-way catalyst 18 without OSC materials is disposed in an exhaust pipe 14 immediately below an exhaust manifold 12 of an internal combustion engine 10. A particulate filter (PM filter) 20 for trapping the particulate matter PM contained in exhaust gas is disposed at a downstream side of the upstream side three-way catalyst 18. A downstream side three-way catalyst 22 with the OSC materials is disposed at a downstream side of the PM filter 20.Type: ApplicationFiled: February 20, 2008Publication date: January 21, 2010Inventors: Takahiko Fujiwara, Masaaki Kawai
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Publication number: 20090301437Abstract: The combustion air-fuel ratio is made leaner than the stoichiometric air-fuel ratio at the time of engine startup and the combustion air-fuel ratio is made richer than the stoichiometric air-fuel ratio and the exhaust downstream part of the three-way catalyst apparatus is raised in temperature when it is judged that just the exhaust upstream part of the three-way catalyst apparatus arranged in the engine exhaust system has been raised to the catalyst activation temperature.Type: ApplicationFiled: February 7, 2007Publication date: December 10, 2009Inventors: Hiroaki Mizoguchi, Takahiko Fujiwara, Kunihiko Nakata, Kenji Sakurai, Hiroki Ichinose, Masaaki Kawai, Atsunori Hirata
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Publication number: 20090288758Abstract: There is provided a method for producing a honeycomb segment bonded article, the method inhibiting decrease in strength properties due to a variance in a texture of the bonding material layer between a plurality of honeycomb segments unitarily bonded together by means of the bonding material layer formed of the bonding material. After producing a preliminary block by unitarily bonding a plurality of honeycomb segments having a plurality of cells being partitioned by partition walls and passing through in the axial direction with a bonding material at a bonding face of each of the honeycomb segments and drying the honeycomb segments, the preliminary blocks are integrally bonded together, or honeycomb segments of one layer are bonded on an outer peripheral face of the preliminary block.Type: ApplicationFiled: July 13, 2009Publication date: November 26, 2009Applicant: NGK INSULATORS, LTD.Inventors: Katsuhiro INOUE, Masaaki KAWAI, Takuya HIRAMATSU, Suguru KODAMA
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Publication number: 20090250591Abstract: An optical wavefront control system by which the number of optical components or costs can be reduced. If an optical wavefront control system comprising an optical wavefront control section for controlling, in accordance with a wavefront control signal for controlling a phase of a wavefront of input light inputted and an aberration control signal for controlling an aberration of the input light inputted, the phase and the aberration and for outputting output light, a detection section for detecting optical information regarding a wavefront and an aberration of the output light inputted from the optical wavefront control section, and a control circuit section for outputting the wavefront control signal and the aberration control signal to the optical wavefront control section on the basis of the optical information detected by the detection section is used, the wavefront of the input light can be controlled and the aberration can be corrected.Type: ApplicationFiled: March 25, 2009Publication date: October 8, 2009Applicants: FUJITSU LIMITED, The University of TokyoInventors: Shinji Yamashita, Tsuyoshi Yamamoto, Masaaki Kawai, Hiroyuki Fujita
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Publication number: 20090169805Abstract: A porous fired body including a structure that aggregates are bonded by a bonding material, wherein the aggregates include oxide particles having a larger thermal capacity per unit volume than an SiC particle and SiC, the bonding material includes metallic Si, volume ratio of the metallic Si in the whole porous fired body is between 8 and 43% by volume, volume ratio of the particles of the oxide in the whole aggregates is between 14 and 55% by volume, the SiC particles and the oxide particles respectively include one or more particle groups, and an average particle size of each particle group is within a range of between 5 and 100 ?m.Type: ApplicationFiled: December 24, 2008Publication date: July 2, 2009Applicant: NGK INSULATORS, LTD.Inventors: Masaaki KAWAI, Kenji MORIMOTO
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Publication number: 20090155527Abstract: A silicon carbide-based porous body comprising a plurality of silicon carbide (SiC) particles as an aggregate and a binder which binds the silicon carbide particles to each other, wherein the content of the binder, i.e. [100×binder/(silicon carbide particles+binder)] is 5 to 70% by volume, the open pore ratio is 30 to 70%, and the binder contains at least one member selected from the group consisting of a Ti silicide, a Zr silicide, a Mo silicide and a W silicide, in an amount of at least 60% by volume of the total binder. The silicon carbide-based porous body can avoid excessive temperature elevation when it is used as a filter and the particulate matter (PM) captured thereby is burnt and removed.Type: ApplicationFiled: December 8, 2008Publication date: June 18, 2009Applicant: NGK INSULATORS, LTD.Inventors: Masaaki KAWAI, Yoshio KIKUCHI
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Publication number: 20090155528Abstract: There is provided a silicon carbide-based porous body which can avoid excessive temperature elevation when it is used as a filter and the captured particulate matter (PM) is burnt for removal and which is low in strength reduction caused by heat cycle. The silicon carbide-based porous body comprises a plurality of silicon carbide (SiC) particles as an aggregate and a plurality of binding phases which bind the silicon carbide particles to each other, wherein of the binding phases, the phase having the largest volume is either of a Si phase and a phase (a metal silicide phase) made of at least one member selected from the group consisting of a Ti silicide, a Zr silicide, a Mo silicide and a W silicide, all having a linear thermal expansion coefficient at 40 to 800° C., higher than that of Si by at least 3×10?6 (° C.Type: ApplicationFiled: December 8, 2008Publication date: June 18, 2009Applicant: NGK INSULATORS, LTD.Inventor: Masaaki KAWAI
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Patent number: 7473665Abstract: An exhaust gas-purifying catalyst system is provided with a plurality of catalyst layers including a first and a second catalyst layers, supported on a support structure. The first catalyst layer comes into contact with an exhaust gas stream firstly among the plurality of catalyst layers. The second catalyst layer is provided adjacent to the first catalyst layer. The first catalyst layer contains a first noble metal active component including rhodium, together with a powder of a barely soluble barium compound in an amount of 0.05 mol to 0.2 mol per volume in liter of the support structure. The second catalyst layer contains a second noble metal active component.Type: GrantFiled: September 17, 2004Date of Patent: January 6, 2009Assignee: Cataler CorporationInventors: Masaaki Kawai, Tomohito Mizukami, Yasunori Sato
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Publication number: 20080187172Abstract: A tracing device and a tracing method for realizing a real-time trace of a moving object such as a person from a time-varying image by method of a light processing load, and for learning features through the trace thereby to realize a trace of higher precision. The tracing device divides time-varying data inputted into partial images (in a strip or rectangle shape), and compares the background image containing no tracing object thereby with the current image thereby to extract the divided image having the tracing object. In order to discriminate the tracing object, moreover, the tracing device calculates the color high-level local self-correlated data, from which the features of color and shape can be extracted all at once, and performs the discrimination on the basis of a distance from the featuring data of the tracing object registered. The tracing device updates the background image and the registered featuring data into the latest ones.Type: ApplicationFiled: December 9, 2005Publication date: August 7, 2008Inventors: Nobuyuki Otsu, Masaaki Kawai
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Publication number: 20080138568Abstract: There is provided a bonding material composition for obtaining a joined body by unitarily joining two or more members to be joined by means of a bonding material layer, wherein the bonding material composition contains flat particles, non-flat particles, smectite-based clay, and an inorganic adhesive as main components. The bonding material composition costs little, can relax thermal stress generated in the joined body without using fibers which may do harm to a human body, and can reduce defects such as a crack and a void upon drying or a thermal treatment.Type: ApplicationFiled: December 6, 2007Publication date: June 12, 2008Applicant: NGK INSULATORS, LTD.Inventors: Takahiro TOMITA, Kenji MORIMOTO, Katsuhiro INOUE, Masaaki KAWAI, Suguru KODAMA
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Patent number: 7266308Abstract: Using a switching signal from a coarse/fine switching and operation mode switching circuit, the width of change of a counter control value during power up is increased, and the width of change is reduced once a steady state is reached. In the steady state, the frequency of updating is limited by a control signal from an update permit control circuit. In the steady state, the frequency band of a current source in an LD driving circuit is reduced in width.Type: GrantFiled: August 15, 2005Date of Patent: September 4, 2007Assignee: Fujitsu LimitedInventors: Tadao Inoue, Tadashi Ikeuchi, Hiroyuki Rokugawa, Masaaki Kawai, Norio Ueno, Norio Murakami, Toru Matsuyama, Makoto Miki, Toshiyuki Takauji
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Patent number: 7068747Abstract: In a data decision circuit: a clock generation unit generates a clock signal based on a phase difference signal so that the clock signal has an optimum phase with respect to a phase of an input data signal; a data determination unit determines data values carried by the input data signal, by using the clock signal; a phase-difference detection unit detects a rising-side phase difference and a falling-side phase difference, where the rising-side phase difference is a phase difference between a rising of the input data signal and a next transition in the clock signal, and the falling-side phase difference is a phase difference between the transition and a next falling of the input data signal; and a phase-difference-signal generation unit generates the phase difference signal so as to represent a difference between the rising-side phase difference and the falling-side phase difference.Type: GrantFiled: September 14, 2001Date of Patent: June 27, 2006Assignee: Fuijtsu LimitedInventors: Hiroyuki Rokugawa, Tadashi Ikeuchi, Daisuke Yamazaki, Masaaki Kawai
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Publication number: 20060024068Abstract: Using a switching signal from a coarse/fine switching and operation mode switching circuit, the width of change of a counter control value during power up is increased, and the width of change is reduced once a steady state is reached. In the steady state, the frequency of updating is limited by a control signal from an update permit control circuit. In the steady state, the frequency band of a current source in an LD driving circuit is reduced in width.Type: ApplicationFiled: August 15, 2005Publication date: February 2, 2006Applicant: Fujitsu LimitedInventors: Tadao Inoue, Tadashi Ikeuchi, Hiroyuki Rokugawa, Masaaki Kawai, Norio Ueno, Norio Murakami, Toru Matsuyama, Makoto Miki, Toshiyuki Takauji
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Patent number: 6975813Abstract: Using a switching signal from a coarse/fine switching and operation mode switching circuit, the width of change of a counter control value during power up is increased, and the width of change is reduced once a steady state is reached. In the steady state, the frequency of updating is limited by a control signal from an update permit control circuit. In the steady state, the frequency band of a current source in an LD driving circuit is reduced in width.Type: GrantFiled: February 17, 2000Date of Patent: December 13, 2005Assignee: Fujitsu LimitedInventors: Tadao Inoue, Tadashi Ikeuchi, Hiroyuki Rokugawa, Masaaki Kawai, Norio Ueno, Norio Murakami, Toru Matsuyama, Makoto Miki, Toshiyuki Takauji