Patents by Inventor Tsutomu Fukuda
Tsutomu 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: 20100302808Abstract: A power source apparatus includes: a first alternating current line; a second alternating current line; an electric power inputting portion including a rectifying circuit for rectifying an alternating current voltage supplied from an alternating current power source, the electric power inputting portion serving to output the rectified voltage to each of the first and second alternating current lines; a first converter including a switching element for converting the alternating current voltage into a first direct current voltage; a second converter for converting the first direct current voltage obtained in the first converter into a second direct current voltage; and a control circuit for carrying out control for driving at least the switching element of the first converter so as to be turned ON or OFF.Type: ApplicationFiled: April 26, 2010Publication date: December 2, 2010Applicant: Sony CorporationInventors: Masaya Uemura, Tsutomu Fukuda, Yasushi Katayama
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Publication number: 20100162953Abstract: The coating instrument is provided with a coating head which has a plurality of head members, and in which a groove-like slot is formed, an adjustment unit accommodated in a recessed groove installed on a leading end face continuing to an outer face opposite to an inner face or to the inner face in the head member to adjust the width of the slot by pressing a side wall face of the recessed groove, and a controller for controlling a pressing force to the side wall face of the recessed groove by the adjustment unit. The adjustment unit is provided with a fluid pressure chamber into which a fluid is sealed, a pressing portion for pressing the side wall face of the recessed groove by the fluid pressure of the fluid pressure chamber, and an operating portion for allowing the fluid pressure of the fluid pressure chamber to change.Type: ApplicationFiled: September 16, 2009Publication date: July 1, 2010Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Atsushi Hayashi, Tsutomu Fukuda, Katsuyuki Fujimura
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Patent number: 7743798Abstract: There is provided a liquid filling nozzle 12 with at least one net-like body 23 provided at a discharge port 22 of a nozzle main body 21, in which the net-like body 23 is provided on an external side of the discharge port 22.Type: GrantFiled: April 12, 2005Date of Patent: June 29, 2010Assignee: Kao CorporationInventors: Mitsuru Kunii, Tsutomu Fukuda
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Publication number: 20100085663Abstract: A head suspension 31 has a piezoelectric element 13 that deforms in response to a voltage applied thereto, a base plate 33 having an attaching part to which the piezoelectric element 13 is attached, and a load beam 35 having a flexure 39. A front end of the load beam 35 moves in a sway direction according to the deformation of the piezoelectric element 13. The head suspension 31 includes adhesives that attach the piezoelectric element 13 to the attaching part. The adhesives are applied to and hardened at the attaching part one by one. At least one of the adhesives that is first applied to and hardened at the attaching part is electrically insulative. The head suspension 31 properly maintains electric insulation between the piezoelectric element 13 and the attaching part, sufficiently demonstrates original functions, and secures a rigidity balance and proper vibration characteristic.Type: ApplicationFiled: October 1, 2009Publication date: April 8, 2010Applicant: NHK Spring Co, Ltd.Inventors: Toshiki ANDO, Hideki Fuchino, Tsutomu Fukuda, Emi Kabuta
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Publication number: 20090280972Abstract: The present invention provides a rolling roll that has a shaft, which rotates around an axis and has one end that is connected to an output shaft of a rolling mill, and is configured such that a tubular sleeve member is mounted to a portion of the shaft on the side of another end, and a rolling ring, which is formed from a hard material, is fixed to an outer circumference of the sleeve member, wherein an inner circumferential support part is disposed on an outer circumferential side of the sleeve member; the rolling ring is supported by the sleeve member via the inner circumferential support part; a pressing member and a pressing mechanism are disposed on the other end side of the rolling ring; and the pressing member and the pressing mechanism press the rolling ring toward the one end side, thereby fixing it.Type: ApplicationFiled: December 3, 2008Publication date: November 12, 2009Applicant: Mitsubishi Materials CorporationInventors: Eiji Ogura, Koichi Yuri, Tsutomu Fukuda, Mitsuhiro Takatsuki
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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: 20070256429Abstract: A cryopump and a regenerating method of the cryopump whereby temperatures of a first stage and a second stage can be securely increased to target temperatures and time required for regenerating can be shortened are provided. At the time of regenerating, the temperature of the second stage cooling stage is controlled based on the temperature detected by the second temperature detection part. In the case where the temperature of the first stage cooling stage reaches the limiting temperature, namely critical temperature, of the first stage displacer, the rotation in the reverse direction of the reversible motor is controlled or stopped and thereby the regenerating process is stopped for a while.Type: ApplicationFiled: November 15, 2006Publication date: November 8, 2007Applicant: Sumitomo Heavy Industries, LTD.Inventor: Tsutomu Fukuda
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Publication number: 20070227620Abstract: There is provided a liquid filling nozzle 12 with at least one net-like body 23 provided at a discharge port 22 of a nozzle main body 21, in which the net-like body 23 is provided on an external side of the discharge port 22.Type: ApplicationFiled: April 12, 2005Publication date: October 4, 2007Inventors: Mitsuru Kunii, Tsutomu Fukuda
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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: 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: 20070039443Abstract: A movable unit, a fixed unit, and advance/retreat units are supported by a supporting structure. The supporting structure includes a base plate, a top plate, a front plate, and a rear plate. Between the front plate and the rear plate of the supporting structure, supporters of the movable unit are fixed by bolts, and supporters of the fixed unit are fixed by bolts above the movable unit. This prevents the axes of a fixed unit and a movable unit from being misaligned with each other. In addition, it also prevents looseness from being generated between the both units, thus preventing the life span of blades from being shortened.Type: ApplicationFiled: August 17, 2004Publication date: February 22, 2007Applicant: Mitsubishi Materials CorporationInventors: Kazuhiko Takahashi, Tsutomu Fukuda, Kuniaki Arakawa
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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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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: 7011788Abstract: 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: March 14, 2006Assignee: Ohcera Co., Ltd.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda
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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
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Patent number: RE42646Abstract: 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: (NxK1-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: August 23, 2011Assignee: Ohcera Co., Ltd.Inventors: Tsutomu Fukuda, Masahiro Fukuda, Masaaki Fukuda, Toshinobu Yoko, Masahide Takahashi