Patents by Inventor Masaaki Fukuda
Masaaki Fukuda 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: 20110125792Abstract: To readily select a data file to be obtained from among data files to be distributed, or to readily recommend such a data file to a user, while suppressing a load imposed on a data distribution system. A data distribution system comprises a distribution device for holding data files which are distribution objects, and user terminals. Each of the user terminals obtains each of file pieces from any of other user terminals or the distribution devices, the file pieces being obtained by dividing one object file among the data files to be distributed, obtains a list of data files having been obtained by another user terminal when obtaining a file piece from the other user terminal, and assembles the obtained file pieces to obtain the object file, in which information of the data files included in the obtained list is used in selecting a data file to be newly obtained.Type: ApplicationFiled: July 16, 2009Publication date: May 26, 2011Applicant: Sony Computer Entertainment Inc.Inventor: Masaaki Fukuda
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Publication number: 20100030790Abstract: There is provided a data distribution system having a distribution device for holding a data file which is a distribution object and a plurality of user terminals, wherein each of the user terminals obtains each of a plurality of file pieces from any of the other user terminals or the distribution device, the plurality of file pieces being obtained by dividing the data file, and the plurality of file pieces obtained are assembled to thereby obtain the data file, at least one predetermined file piece among the plurality of file pieces is a restricted piece for which obtaining from the other user terminals is restricted, and the distribution device restricts distribution of the restricted piece to each of the user terminals, based on a predetermined condition.Type: ApplicationFiled: July 15, 2009Publication date: February 4, 2010Applicant: Sony Computer Entertainment Inc.Inventors: Masaaki Fukuda, Masaaki Isozaki
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Patent number: 7575792Abstract: A honeycomb filter, for removing from exhaust gas fine solid particles containing carbon, is an aluminum magnesium titanate sintered product obtained by firing at from 1000 to 1700° C. a product formed from a mixture comprising a Mg-containing compound, an Al-containing compound and a Ti-containing compound in the same metal component ratio as the metal component ratio of Mg, Al and Ti in aluminum magnesium titanate represented by the empirical formula MgxAl2(1?x)Ti(1+x)O5 (wherein 0<x<1), or a mixture comprising 100 parts by mass, as calculated as oxides, of the above-mentioned mixture and from 1 to 10 parts by mass of an alkali feldspar represented by the empirical formula (NayK1?y)AlSi3O8 (wherein 0?y?1).Type: GrantFiled: July 9, 2004Date of Patent: August 18, 2009Assignee: Ohcera Co., Ltd.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda, Toshinobu Yoko, Masahide Takahashi
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Patent number: 7550025Abstract: Provided is a honeycomb filter which includes an aluminum titanate sintered product obtained by a process involving firing at a temperature of 1,250-1,700° C. a raw material mixture composed of: 100 wt. % of a first mixture having TiO2 and Al2O3 in a molar ratio of 40-60/60-40; and 1-10 wt. % of a second mixture composed of: an alkali feldspar according to the formula NayK1-yAlSi3O8, wherein 0?y?1; and a component selected from an oxide having a spinel structure composed of Mg and/or MgO, MgO and a precursor compound composed of Mg that is converted to MgO by firing, wherein the honeycomb filter exhibits excellent properties with respect to mechanical strength, thermal decomposition resistance, thermal shock resistance and thermal stability at high and fluctuating temperatures. Also provided is a method and an apparatus for cleaning an exhaust gas by removing solid particles predominantly containing carbon from the exhaust gas with the honeycomb filter.Type: GrantFiled: August 20, 2004Date of Patent: June 23, 2009Assignee: Ohcera Co., Ltd.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda, Toshinobu Yoko, Masahide Takahashi
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Publication number: 20070224110Abstract: To provide an aluminum magnesium titanate crystal structure which can be used stably in variable high temperatures, because of its excellent heat resistance, thermal shock resistance, high thermal decomposition resistance and high mechanical property, and a process for its production. An aluminum magnesium titanate crystal structure, which is a solid solution wherein at least some of Al atoms in the surface layer of aluminum magnesium titanate crystal represented by the empirical formula MgxAl2(1?x)Ti(1+x)O5 (wherein 0.1?x<1) are substituted with Si atoms, and which has a thermal expansion coefficient of from ?6×10?6 (1/K) to 6×10?6 (1/K) in a range of from 50 is to 800° C. at a temperature raising rate of 20° C./min, and a remaining ratio of aluminum magnesium titanate of at least 50%, when held in an atmosphere of 1,100° C. for 300 hours.Type: ApplicationFiled: April 28, 2005Publication date: September 27, 2007Applicant: OHCERA CO., LTD.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda, Toshinobu Yoko, Masahide Takahashi
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Publication number: 20070163219Abstract: To provide a honeycomb filter for cleaning an exhaust gas, which is excellent in heat resistance and thermal shock resistance and has high thermal decomposition resistance and high mechanical strength and which is thus capable of being used with stability at high and fluctuating temperatures, and a process for its production. A honeycomb filter for removing solid particles containing carbon as the main component in an exhaust gas, characterized in that the material for the honeycomb filter is an aluminum titanate sintered product obtained by firing at from 1,250 to 1,700° C. a raw material mixture comprising 100 parts by mass of a mixture (component X) comprising TiO2 and Al2O3 in a molar ratio of the former/the latter being 40 to 60/60 to 40, and from 1 to 10 parts by mass of an alkali feldspar represented by the empirical formula (NayK1-y)AlSi3O8 (wherein 0?y?1), an oxide having a spinel structure containing Mg, or MgO or an Mg-containing compound which will be converted to MgO by firing (component Y).Type: ApplicationFiled: August 20, 2004Publication date: July 19, 2007Applicant: Ohcera Co., LTDInventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda, Toshinobu Yoko, Masahide Takahashi
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Publication number: 20070122105Abstract: A recording device includes a first recording medium in which temporally continuous content data is recorded; a second recording medium in which whole content data is recorded; and a recording controller configured to control the recording of content data in the first recording medium and the second recording medium so that, in the case of deleting a part of content data from the first recording medium, selected content data corresponding to a portion of the whole content data recorded in the second recording medium is deleted from the first recording medium, and when the data amount of content data recorded in the first recording medium is not less than a predetermined threshold after the selected content data is deleted from the first recording medium, with respect to a content in which the process of deleting a part of content data from the first recording medium was interrupted after the whole content data was recorded in the second recording medium, the interrupted process is started again, and with respType: ApplicationFiled: June 29, 2006Publication date: May 31, 2007Applicant: Sony CorporationInventors: Masaaki Fukuda, Masaaki Isozaki, Kazuyuki Saito
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Publication number: 20070074992Abstract: A capsule retrieve sheet for retrieving a capsule endoscope excreted from a body by separation from excretions, includes a fold at which the capsule retrieve sheet is folded. By folding the capsule retrieve sheet at the fold, a recess including a hole for passing through the excretions and a wing for the capsule retrieve sheet to be placed on a toilet, are formed.Type: ApplicationFiled: September 19, 2006Publication date: April 5, 2007Applicant: PENTAX CORPORATIONInventors: Masaaki FUKUDA, Masaaki NAKASHIMA, Taro NAKASENDO
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Publication number: 20070066865Abstract: A capsule retriever includes a retriever and a holder. The retriever retrieves a capsule endoscope while separating the capsule endoscope from excretions, such that fluid included in the excretions can pass through the retriever. The holder holds the capsule endoscope with the retriever. The retriever is attached to the holder, so that the capsule endoscope is surrounded by the retriever and is held in the holder with the retriever, by an operation using only the holder.Type: ApplicationFiled: September 19, 2006Publication date: March 22, 2007Applicant: PENTAX CorporationInventors: Masaaki Fukuda, Masaaki Nakashima, Taro Nakasendo
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Publication number: 20070059484Abstract: To provide a honeycomb filter for cleaning exhaust gas, which is excellent in heat resistance and thermal shock resistance and has high thermal decomposition resistance and high mechanical strength and which is thus capable of being used with stability at high and fluctuating temperatures, and a process for its production. A honeycomb filter for removing fine solid particles containing carbon as the main component in an exhaust gas, characterized in that the material for the honeycomb filter is an aluminum magnesium titanate sintered product obtained by firing at from 1000 to 1700° C.Type: ApplicationFiled: July 9, 2004Publication date: March 15, 2007Applicant: OHCERA CO., LTD.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda, Toshinobu Yoko, Masahide Takahashi
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Publication number: 20070055177Abstract: A capsule container, for holding a used capsule, includes a body and a cover. The body has a holder to hold the capsule, and the cover is attached to the body. When the capsule is held by the holder, the cover is attached to the body, so that the capsule and the holder are sealed by the covers.Type: ApplicationFiled: August 28, 2006Publication date: March 8, 2007Applicant: PENTAX CORPORATIONInventors: Masaaki FUKUDA, Masaaki NAKASHIMA, Taro NAKASENDO
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Publication number: 20070019511Abstract: A recording apparatus is disclosed which includes: a first recording medium configured to record a front portion included in the entire data of a content continuous along the time axis as a part of the content; a second recording medium configured to record a portion included in the entire data of the content as a part following the front portion recorded on the first recording medium; a third recording medium configured to record partial data of the content; and recording control means configured to control a process of recording data onto the third recording medium to record as much partial data of the content onto the third recording medium as data having a first data amount representing the amount of data, which can be read out from the third recording medium during a period to switch an operation to read out data from the first recording medium to the second recording medium.Type: ApplicationFiled: July 14, 2006Publication date: January 25, 2007Applicant: Sony CorporationInventors: Masaaki ISOZAKI, Masaaki Fukuda, Kazuyuki Saito
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Publication number: 20070019520Abstract: A readout device includes a first recording medium having recorded therein data of arbitrary plural portions of a period of a predetermined length in temporally continuous content; a second recording medium having recorded therein data of the entire content; and a readout control unit that controls, when the readout of data of the content is requested, the readout of data from the first recording medium and from the second recording medium such that data of any one of the portions recorded in the first recording medium is read out and data following the data read out from the first recording medium is read out from the second recording medium.Type: ApplicationFiled: June 29, 2006Publication date: January 25, 2007Applicant: Sony CorporationInventors: Masaaki Isozaki, Ryuji Takatsuka, Masaaki Fukuda, Kazuyuki Saito
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Patent number: 7166552Abstract: The present invention provides a process for preparing a sintered body comprising as a basic component aluminum magnesium titanate represented by the composition formula: MgxAl2(1?x)Ti(1+x)O5 wherein the value of x is 0.1?x<1. The process comprises a step of sintering a formed product from a raw material mixture comprising 100 parts by weight, calculated on an oxide basis, of a mixture comprising a Mg-containing compound, an Al-containing compound and a Ti-containing compound at the same metal component ratio as the metal component ratio of Mg, Al and Ti in the above composition formula, and 1–10 parts by weight of an alkali feldspar represented by the composition formula: (NayK1?y)AlSi3O8 wherein the value of y is 0?y?1.Type: GrantFiled: October 9, 2003Date of Patent: January 23, 2007Assignee: Ohcera Co. Ltd.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda, Toshinobu Yoko, Masahide Takahashi
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Publication number: 20070014198Abstract: A recording device includes a first recording control unit controlling recording of priority information indicating a priority for a portion of a period of a predetermined length in content; a judging unit judging whether the priority for the portion is equal to or less than a predetermined threshold; and a second recording control unit controlling, when it is judged that the priority for the portion is equal to or less than the predetermined threshold, recording of data of the content in a recording medium to erase data of the portion from the recording medium.Type: ApplicationFiled: June 29, 2006Publication date: January 18, 2007Applicant: Sony CorporationInventors: Masaaki Fukuda, Masaaki Isozaki, Kazuyuki Saito
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Patent number: 7148168Abstract: The present invention provides a raw material composition for preparing a sintered body of aluminum titanate, the composition comprising (i) 100 parts by weight of a mixture comprising 40 to 50 mol % of TiO2 and 60 to 50 mol % of Al2O3, (ii) 1 to 10 parts by weight of an alkali feldspar represented by the formula: (NaxK1?x)AlSi3O8 (0?x?1), and (iii) 1 to 10 parts by weight of at least one Mg-containing component selected from the group consisting of a Mg-containing oxide with spinel structure, MgCO3 and MgO, and a process for preparing a sintered body of aluminum titanate comprising sintering a formed product prepared from the raw material composition at 1300 to 1700° C. According to the present invention, a sintered body of aluminum titanate having high mechanical strength and ability to be stably used at high temperatures, as well as its inherent properties of low coefficient of thermal expansion and high corrosion resistance, can be obtained.Type: GrantFiled: April 16, 2003Date of Patent: December 12, 2006Assignee: Ohcera Co., Ltd.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda, Toshinobu Yoko, Masahide Takahashi
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Publication number: 20060239880Abstract: To provide a honeycomb carrier to support a catalyst to clean e.g. an exhaust gas of an automobile particularly containing NOx, which is excellent in heat resistance, thermal shock resistance, mechanical strength and thermal decomposition resistance and has a great corrosion resistance to a catalyst, and is thus capable of being used with stability for a long period of time, and a process for its production. The material for the honeycomb carrier is an aluminum magnesium titanate sintered product obtained by firing at from 1,000 to 1,700° C.Type: ApplicationFiled: July 29, 2004Publication date: October 26, 2006Applicant: OHCERA CO. LTD.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda, Toshinobu Yoko, Masahide Takahashi
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Patent number: 7110182Abstract: To provide a glass sheet incorporating a plurality of optical elements, which incorporates a plurality of glass optical elements and realizes higher productivity and uniform quality of glass optical elements. The glass sheet incorporating a plurality of optical elements includes a plurality of lens parts formed by molding a glass material, reference surface areas each of which is formed around an outer periphery of each lens part and is horizontal to the lens part, and connection parts each of which extends from one reference surface area and connects one lens part to another lens part, in which the connection part has a margin for facilitating separation of the glass sheet into a plurality of pieces.Type: GrantFiled: March 11, 2003Date of Patent: September 19, 2006Assignee: Fujinon CorporationInventors: Hiroyasu Muto, Katsunori Mukasa, Masaaki Fukuda, Yasuhiko Sato
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Patent number: RE42352Abstract: The present invention provides a process for preparing a sintered body comprising as a basic component aluminum magnesium titanate represented by the composition formula: MgxAl2(1?x)Ti(1+x)O5 wherein the value of x is 0.1?x<1. The process comprises a step of sintering a formed product from a raw material mixture comprising 100 parts by weight, calculated on an oxide basis, of a mixture comprising a Mg-containing compound, an Al-containing compound and a Ti-containing compound at the same metal component ratio as the metal component ratio of Mg, Al and Ti in the above composition formula, and 1–10 parts by weight of an alkali feldspar represented by the composition formula: (NayK1?y)AlSi3O8 wherein the value of y is 0?y?1.Type: GrantFiled: October 9, 2003Date of Patent: May 10, 2011Assignee: Ohcera Co., Ltd.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda, Toshinobu Yoko, Masahide Takahashi
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Patent number: RE42582Abstract: The present invention provides a process for preparing an aluminum-titanate-based sintered body comprising the step of firing, at 1250 to 1700° C., a formed product prepared from a raw material mixture containing 100 parts by weight of a mixture of TiO2 and Al2O3 in a weight ratio of TiO2:Al2O3=40:60 to 60:40, and 1 to 15 parts by weight of an alkali feldspar represented by the formula:(NaxK1-x)AlSi3O8 wherein 0?x?1. According to the process of the present invention, it is possible to obtain an aluminum-titanate-based sintered body in which inherent properties of an aluminum titanate, i.e., a low coefficient of thermal expansion and high corrosion resistance are maintained, the mechanical strength thereof is improved, and which can be stably used even under high temperature conditions.Type: GrantFiled: November 6, 2001Date of Patent: August 2, 2011Assignee: Ohcera Co., Ltd.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda