Patents by Inventor Hideki Tamaki
Hideki Tamaki 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: 20240110794Abstract: A route guidance device that guides a user along a movement route, the route guidance device including an acquisition unit configured to acquire, from a communication device, location information including a departure location and a destination location of the user, a search unit configured to search for a plurality of movement routes from the departure location to the destination location, based on the location information acquired by the acquisition unit, and a provision unit configured to provide the communication device with the plurality of movement routes searched for by the search unit, wherein the plurality of movement routes includes a first movement route using a first moving body of a riding type capable of traveling on a roadway, and a second movement route using a second moving body of a self-propelled type capable of traveling on a sidewalk.Type: ApplicationFiled: September 13, 2023Publication date: April 4, 2024Inventors: Kazuma TAMAKI, Yuji YASUI, Tokitomo ARIYOSHI, Hideki MATSUNAGA, Ken IINUMA
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Publication number: 20240112104Abstract: An information processing apparatus comprising: an acquisition unit configured to acquire physical strength information related to physical strength and time information related to a scheduled farm work time of a work group including at least one worker who performs farm work; a determination unit configured to determine a work ability of the work group based on the physical strength information; and a crop type selection unit configured to select a crop type to be proposed to the work group based on the work ability determined by the determination unit and the time information acquired by the acquisition unit.Type: ApplicationFiled: September 26, 2023Publication date: April 4, 2024Applicant: HONDA MOTOR CO., LTD.Inventors: Kazuma TAMAKI, Yuji YASUI, Tokitomo ARIYOSHI, Ken IINUMA, Hideki MATSUNAGA
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Patent number: 9512731Abstract: The Ni based forged alloy has a composition containing, on the basis of mass percent, Al: 0.5 to 1.0%, Cr: 17 to 21%, Fe: 17 to 19%, Nb: 4.5 to 5.5%, Ti: 0.8 to 1.3%, W: 3.0 to 6.0%, B: 0.001 to 0.03%, C: 0.001 to 0.015%, and Mo: 1.0% or less, the balance being Ni and inevitable impurities. The alloy includes carbide grains of the contained elements. The carbide grains have an average grain diameter of 20 ?m or less. Thus, a Ni based forged alloy is provided which is excellent in high-temperature fatigue property and has a moderate macrosegregation property.Type: GrantFiled: June 10, 2014Date of Patent: December 6, 2016Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Takashi Shibayama, Shinya Imano, Hideki Tamaki
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Publication number: 20140363297Abstract: The Ni based forged alloy has a composition containing, on the basis of mass percent, Al: 0.5 to 1.0%, Cr: 17 to 21%, Fe: 17 to 19%, Nb: 4.5 to 5.5%, Ti: 0.8 to 1.3%, W: 3.0 to 6.0%, B: 0.001 to 0.03%, C: 0.001 to 0.015%, and Mo: 1.0% or less, the balance being Ni and inevitable impurities. The alloy includes carbide grains of the contained elements. The carbide grains have an average grain diameter of 20 ?m or less. Thus, a Ni based forged alloy is provided which is excellent in high-temperature fatigue property and has a moderate macrosegregation property.Type: ApplicationFiled: June 10, 2014Publication date: December 11, 2014Inventors: Takashi SHIBAYAMA, Shinya IMANO, Hideki TAMAKI
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Patent number: 8656723Abstract: An operation control method for a gas turbine includes making a molten salt map of molten salt for causing high-temperature corrosion on high-temperature components of the turbine due to impurities using a thermodynamic equilibrium calculation on the basis of the impurities contained in low-quality fuel and operation data of the gas turbine, indicating a surface temperature and a pressure of the high-temperature components of the turbine on the molten salt map , predicting a lifetime of the high-temperature components of the gas turbine by estimating a corrosion rate thereof, and controlling the flow rate of the low-quality fuel supplied to a combustor so that an area of surface temperature and pressure regions of the high-temperature components superposing on the region of molten salt in the liquid phase on the molten salt map is reduced.Type: GrantFiled: July 7, 2009Date of Patent: February 25, 2014Assignee: Hitachi, Ltd.Inventors: Hiroshi Haruyama, Hideki Tamaki, Yoshitaka Kojima, Hironori Kamoshida
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Publication number: 20120102966Abstract: An operation control method for a gas turbine comprising the steps of: making a molten salt map in a liquid phase state by calculating a dew point and a solidus temperature of molten salt for causing high-temperature corrosion on high-temperature components of the turbine due to impurities using a thermodynamic equilibrium calculation on the basis of the impurities contained in low-quality fuel and operation data of the gas turbine, indicating a surface temperature and a pressure of the high-temperature components of the turbine on the molten salt map to determine a superposition state thereof on a region of molten salt in a liquid phase, predicting a lifetime of the high-temperature components of the gas turbine by estimating a corrosion rate thereof, and controlling the flow rate of the low-quality fuel supplied to a combustor on the basis of the prediction of the lifetime of the high-temperature components so that an area of surface temperature and pressure regions of the high-temperature components superpType: ApplicationFiled: July 7, 2009Publication date: May 3, 2012Inventors: Hiroshi Haruyama, Hideki Tamaki, Yoshitaka Kojima, Hironori Kamoshida
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Publication number: 20090214379Abstract: Disclosed is a single crystal alloy consisting essentially of, by weight, 0.06-0.09% carbon, 0.016-0.035% B, 0.2-0.4% Hf, 0-0.02% Zr, 6.5-8.5% Cr, 0.4-1.0% Mo, 5.5-9.5% W, 1.2-3.1% Re, 8-10% Ta, 0.3-1.0% Nb, 0-0.4% Ti, 4.7-5.4% Al, 0.5-5.0% Co, 0.1-5% Fe, and the balance of Ni and unavoidable impurities. The alloy is free from solidification cracks during casting a large-sized blade of gas turbines, has grain boundary strength sufficient for assuring the reliability during operation, and further has excellent oxidation resistance to a high combustion gas temperature while having excellent high-temperature strength comparable to that of a conventional single crystal alloy.Type: ApplicationFiled: February 20, 2009Publication date: August 27, 2009Inventors: Akira Yoshinari, Hideki Tamaki
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Publication number: 20070163682Abstract: A Ni-based alloy hardened with the ? phase, which is able to exhibit not only superior strength at high temperatures, but also excellent hot corrosion resistance and oxidation resistance at high temperatures in spite of containing no Re or reducing the amount of Re. The Ni-based superalloy contains, by weight, C: 0.01 to 0.5%, B: 0.01 to 0.04%, Hf: 0.1 to 2.5%, Co: 0.8 to 15%, Ta: more than 0% but less than 8.5%, Cr: 1.5 to 16%, Mo: more than 0% but less than 1.0%, W: 5 to 14%, Ti: 0.1 to 4.75%, Al: 2.5 to 7%, Nb: more than 0 % but less than 4%, V: 0 to less than 1.0%, Zr: 0 to less than 0.1%, Re: 0 to less than 9%, at least one of platinum group elements: 0 to less than 0.5% in total, at least one of rare earth elements: 0 to less than 0.1% in total, and the rest being Ni except for unavoidable impurities.Type: ApplicationFiled: November 2, 2006Publication date: July 19, 2007Inventors: Hideki Tamaki, Akira Yoshinari, Akira Okayama, Tsuyoshi Takano, Hiroyuki Doi
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Patent number: 7169241Abstract: A Ni-based alloy hardened with the ?? phase, which is able to exhibit not only superior strength at high temperatures, but also excellent hot corrosion resistance and oxidation resistance at high temperatures in spite of containing no Re or reducing the amount of Re. The Ni-based superalloy contains, by weight, C: 0.01 to 0.5%, B: 0.01 to 0.04%, Hf: 0.1 to 2.5%, Co: 0.8 to 15%, Ta: more than 0% but less than 8.5%, Cr: 1.5 to 16%, Mo: more than 0% but less than 1.0%, W: 5 to 14%, Ti: 0.1 to 4.75%, Al: 2.5 to 7%, Nb: more than 0% but less than 4%, V: 0 to less than 1.0%, Zr: 0 to less than 0.1%, Re: 0 to less than 9%, at least one of platinum group elements: 0 to less than 0.5% in total, at least one of rare earth elements: 0 to less than 0.1% in total, and the rest being Ni except for unavoidable impurities.Type: GrantFiled: March 19, 2004Date of Patent: January 30, 2007Assignee: Hitachi, Ltd.Inventors: Hideki Tamaki, Akira Yoshinari, Akira Okayama, Tsuyoshi Takano, Hiroyuki Doi
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Patent number: 6818077Abstract: A nickel-based superalloy containing 12.0 to 16.0% by weight of Cr, 4.0 to 9.0% by weight of Co, 3.4 to 4.6% by weight of Al, 0.5 to 1.6% by weight of Nb, 0.05 to 0.16% by weight of C, 0.005 to 0.025% by weight of B, and at least one of Ti, Ta and Mo. Amounts of Ti, Ta and Mo are ones calculated by the equations (1) and (2), wherein TiEq is 4.0 to 6.0 and MoEq is 5.0 to 8.0. TiEq=Ti % by weight+0.5153×Nb % by weight+0.2647×Ta % by weight (1) MoEq−Mo % by weight+0.5217×W % by weight+0.5303×Ta % by weight+1.Type: GrantFiled: May 6, 2003Date of Patent: November 16, 2004Assignee: Hitachi, Ltd.Inventors: Akira Yoshinari, Hideki Tamaki, Hiroyuki Doi
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Publication number: 20040221925Abstract: A Ni-based alloy hardened with the &ggr;′ phase, which is able to exhibit not only superior strength at high temperatures, but also excellent hot corrosion resistance and oxidation resistance at high temperatures in spite of containing no Re or reducing the amount of Re. The Ni-based superalloy contains, by weight, C:0.01 to 0.5%, B:0.01 to 0.04%, Hf:0.1 to 2.5%, Co:0.8 to 15%, Ta:more than 0% but less than 8.5%, Cr:1.5 to 16%, Mo:more than 0% but less than 1.0%, W:5 to 14%, Ti:0.1 to 4.75%, Al:2.5 to 7%, Nb:more than 0% but less than 4%, V:0 to less than 1.0%, Zr:0 to less than 0.1%, Re:0 to less than 9%, at least one of platinum group elements: 0 to less than 0.5% in total, at least one of rare earth elements: 0 to less than 0.1% in total, and the rest being Ni except for unavoidable impurities.Type: ApplicationFiled: March 19, 2004Publication date: November 11, 2004Inventors: Hideki Tamaki, Akira Yoshinari, Akira Okayama, Tsuyoshi Takano, Hiroyuki Doi
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Publication number: 20040177901Abstract: A nickel-based superalloy containing 12.0 to 16.0% by weight of Cr, 4.0 to 9.0% by weight of Co, 3.4 to 4.6% by weight of Al, 0.5 to 1.6% by weight of Nb, 0.05 to 0.16% by weight of C, 0.005 to 0.025% by weight of B, and at least one of Ti, Ta and Mo. Amounts of Ti, Ta and Mo are ones calculated by the equations (1) and (2), wherein TiEq is 4.0 to 6.0 and MoEq is 5.0 to 8.0.Type: ApplicationFiled: May 6, 2003Publication date: September 16, 2004Applicant: Hitachi, Ltd.Inventors: Akira Yoshinari, Hideki Tamaki, Hiroyuki Doi
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Patent number: 6051083Abstract: In order to provide a high strength Ni-base superalloy for directionally solidified castings, which is prevented from solidification cracking at the casting, having a sufficient grain boundary strength for ensuring reliability during its operation and a superior high temperature concurrently, a high strength Ni-base superalloy for directionally solidified castings having a superior grain boundary strength, which contains C: 0.05% to less than 0.1%, B: 0.015% to 0.04%, Hf: 0.01.about.less than 0.5%, Zr: less than 0.01%, Cr: 1.5%.about.16%, Mo: utmost 6%, W: 2.about.12%, Re: 0.1.about.9%, Ta: 2.about.12%, Nb: utmost 4%, Al: 4.5.about.6.5%, Ti: less than 0.5%, Co: less than 9%, and Ni: at least 60% in weight, is disclosed.Type: GrantFiled: February 7, 1997Date of Patent: April 18, 2000Assignees: Hitachi, Ltd., Hitachi MetalsInventors: Hideki Tamaki, Akira Yoshinari, Akira Okayama, Mitsuru Kobayashi, Kagehiro Kageyama, Takehiro Ohno
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Patent number: 5916382Abstract: A superalloy having more excellent hot corrosion resistance than conventional single crystal alloys, oxidation resistance levels as high as that of conventional single crystal alloys, high strength, and creep rupture strength; single crystal members used for a blade or a nozzle produced by utilizing such an alloy; and a combined cycle power generation system produced by utilizing such members. A highly hot corrosion resistant and high-strength superalloy consisting essentially of, by weight, 6-12% Cr, 4.5-6.5% Al, 2-12% W, 2.5-10% Ta, not more than 5.8% Mo, 0.1-3% Co, 0.2-3% Nb, 0.1-4% Re, not more than 0.3% Hf, and the balance being Ni and unavoidable impurities; single crystal members used for a blade or a nozzle produced utilizing such an alloy; and a combined cycle power generation system produced by utilizing such members.Type: GrantFiled: October 28, 1994Date of Patent: June 29, 1999Assignees: Hitachi, Ltd., Hitachi Metals, Ltd.Inventors: Koji Sato, Takehiro Ohno, Ken Yasuda, Hideki Tamaki, Akira Yoshinari
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Patent number: 5740668Abstract: A power generation gas turbine includes first stage turbine blades made of an alloy whose 10.sup.5 -hour 14-kgf/mm.sup.2 temperature capacity is 920.degree. C. or over, second and subsequent stage turbine blades made of an alloy whose 10.sup.5 -hour 14-kgf/mm.sup.2 temperature capacity is 800.degree. C. or over, first stage turbine nozzles made of an alloy whose 10.sup.5 -hour 6 kgf/mm.sup.2 temperature capacity is 900.degree. C. or over, and second and subsequent stage turbine nozzles made of an alloy whose 10.sup.5 -hour 6-kgf/mm.sup.2 temperature capacity is 800.degree. C. or over.Type: GrantFiled: April 19, 1995Date of Patent: April 21, 1998Assignee: Hitachi, Ltd.Inventors: Tetsuo Fujiwara, Masateru Suwa, Yutaka Fukui, Hideki Tamaki
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Patent number: 5625153Abstract: A method of estimating non-destructively the life expectancy of ceramic members, at least a surface layer of which is made of ceramics, is disclosed. The method comprises measuring a variation in at least one of physical characteristics of said ceramic members including color, grain size, electroconductivity and Young's modulus and estimating the life expectancy of the ceramic members on the basis of the predetermined relationship between the life of said ceramics and the physical characteristics. The method is excellent in estimation of the life expectancy of ceramic members of gas turbines or nuclear fusion reactor since the life expectancy of the members to be inspected can easily be estimated in a short time without fracturing the members.Type: GrantFiled: December 18, 1995Date of Patent: April 29, 1997Assignee: Hitachi, Ltd.Inventors: Yuichi Sawai, Yoshiyuki Yasutomi, Motoyuki Miyata, Hideki Tamaki, Katsuo Wada
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Patent number: 5611670Abstract: A gas-turbine moving blade made of a Ni-base superalloy containing less grain boundary strengthening elements, in which a blade portion is formed of a single crystal and the rest is formed of columnar crystals, and a gas turbine including the moving blade. A thermal efficiency of the gas turbine can be improved to 35% or more, and a thermal efficiency of complex power generation with a steam turbine can be improved to 45% or more.Type: GrantFiled: July 27, 1994Date of Patent: March 18, 1997Assignees: Hitachi, Ltd., Tohoku Electric Power Co., Inc.Inventors: Akira Yoshinari, Hideki Tamaki, Tosiaki Saito, Mitsuru Kobayashi, Katsumi Iijima, Katsuo Wada, Kimio Kano, Hiroyuki Matsuzaki