Patents by Inventor Koji Nakano
Koji Nakano 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: 8842436Abstract: An object is to provide an inverter module that can ensure satisfactory anti-vibration strength, moisture resistance, and isolation for each of the upper and lower boards of the inverter module and that can reduce the weight and cost, and to provide an integrated-inverter electric compressor. In an inverter module (21) in which a power system board (23) and a control board (31) are integrated via a resin case (22), the inverter module (21) is configured such that the power system board (23), on which a semiconductor switching device (24) is mounted, is provided at the lower part of the resin case (22) and the control board (31), on which a control-and-communication circuit is mounted, is provided thereabove.Type: GrantFiled: February 25, 2010Date of Patent: September 23, 2014Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Makoto Hattori, Masahiko Asai, Kazuki Niwa, Takayuki Takashige, Koji Nakano, Takashi Nakagami, Shunsuke Yakushiji
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Publication number: 20140216122Abstract: Provided are an extrusion press and control method for an extrusion press, provided with a means which can prevent phenomena in which a billet is blown out during an extrusion process as well as prevent billet blowout with a simple and inexpensive constitution. The extrusion press drives a main cylinder device (12) to extrude, by means of a stem (24), a billet (20) filled into a container (18) from a die (16) and form a product (20A). A gap measurement means (60) that measures a gap, during the extrusion process, arising at the container seal surface formed by pressing the die side end surface of the container (18) against the container side end surface of the die (16) is provided on an end platen (10) on the outer edge part of the container side end surface of the die (16). When the gap arising during the extrusion process is measured and the measured value is within a predetermined range of allowable values, a set value for the extrusion rate is lowered and a warning is issued.Type: ApplicationFiled: August 1, 2012Publication date: August 7, 2014Applicant: UBE MACHINERY CORPORATION, LTD.Inventors: Takeharu Yamamoto, Atsushi Yakushigawa, Koji Nakano
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Patent number: 8777585Abstract: An electric compressor 10 includes a compression mechanism 11, an electric motor 12 driving the compression mechanism 11, and a control portion 13 controlling to drive the electric motor 12, incorporated into a single casing, and further includes a temperature detector 14 detecting a temperature of one or more components constituting one or both of the control portion 13 and the electric motor 12, and a current detector 15 detecting a current flowing through the component. When the temperature detected by the temperature detector 14 is a temperature Td, the current detected by the current detector 15 is a current Id, and a current corresponding to the temperature Td at a temperature characteristic relating to the current specific to the component is a current Ia(Td), the control portion 13 stops driving the electric motor 12 on the basis of a result of comparison between Ia(Td) and Id.Type: GrantFiled: June 24, 2008Date of Patent: July 15, 2014Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Koji Nakano, Takashi Nakagami, Hideto Noyama, Masahiko Asai, Makoto Hattori, Takayuki Takashige
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Publication number: 20140190868Abstract: The invention relates to a method for optimizing layered catalytic processes. This is accomplished by testing various catalysts with a compound found in a feedstock to be tested, to determine the facility of the catalyst in hydrogenating, hydrosulfurizing, or hydrodenitrogenating the molecule, and hence the feedstock. In a preferred embodiment, the Double Bond Equivalence of the feedstock and molecule are determined, and catalysts are pre-selected based upon their known ability to work with materials of this DBE value.Type: ApplicationFiled: January 7, 2014Publication date: July 10, 2014Applicants: JGC CATALYSTS AND CHEMICALS LTD., SAUDI ARABIAN OIL COMPANYInventors: Omer Refa KOSEOGLU, Adnan Al-Hajji, Hendrik Muller, Masaru Ushio, Koji Nakano
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Patent number: 8764415Abstract: An integrated-inverter electric compressor whose grounding effect and grounding reliability are increased by reliably grounding an inverter device to a housing and in which the size the inverter device are reduced by simplifying the grounding structure is provided. The integrated-inverter electric compressor includes an inverter device provided in an inverter container on the outer circumference of a housing.Type: GrantFiled: August 25, 2008Date of Patent: July 1, 2014Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Makoto Hattori, Kazuki Niwa, Koji Nakano, Takashi Nakagami, Takayuki Takashige, Koji Toyama
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Publication number: 20140157852Abstract: Provided is a short stroke type extrusion press which is capable of increasing a container strip force, improving energy efficiency, and saving space by reducing apparatus length. A main cylinder housing (4) of the extrusion press comprises a transfer medium (10) which advances or retreats an extrusion stem (13) in an extrusion axis direction, and a transfer medium (16) which advances or retreats a container (14) in the extrusion axis direction. A container pushing medium (21) is disposed at an end platen (1) disposed opposite the main cylinder housing (4) and makes it possible for at least four different transfer motions to be carried out independently or in collaboration with the container transfer medium in the direction in which the container (14) separates from a die (9).Type: ApplicationFiled: July 12, 2012Publication date: June 12, 2014Applicant: UBE MACHINERY CORPORATION, LTD.Inventors: Takeharu Yamamoto, Koji Nakano
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Patent number: 8717765Abstract: An integrated-inverter electric compressor and an inverter unit thereof are provided, with which sufficient anti-vibration properties can be ensured and weight reduction can be achieved. In an integrated-inverter electric compressor, an inverter unit includes an inverter module in which a power-system metallic board having mounted thereon semiconductor switching elements and so forth is integrated with a plastic case, and a CPU board having mounted thereon a control and communication circuit that operates at a low voltage, such as a CPU, is provided on a top face of the inverter module, and inside the plastic case, a thermosetting resin layer for insulation and anti-humidity purposes is provided so as to cover a top face of the power-system metallic board, and a vibration-absorbing elastomeric adhesive layer that maintains a rubber state in an operating temperature range of the integrated-inverter electric compressor is provided between a bottom face of the CPU board and the thermosetting resin layer.Type: GrantFiled: November 26, 2009Date of Patent: May 6, 2014Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Makoto Hattori, Kazuki Niwa, Takashi Nakagami, Koji Nakano, Shunsuke Yakushiji
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Publication number: 20140105968Abstract: An object of the present invention is to provide a liposome which is excellent in intrapulmonary delivery controllability of drugs or genes and is suited for pulmonary administration. By modifying the surface of a liposome using a terminal hydrophobized polyvinyl alcohol and/or chitosan, retention of drugs or genes encapsulated in the liposome on the surface of lung tissue and transfer of drugs or genes into lung tissue can be properly modulated, and thus in vivo behavior can be controlled.Type: ApplicationFiled: December 17, 2013Publication date: April 17, 2014Applicants: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Hirofumi TAKEUCHI, Koji NAKANO, Hidekazu TOYOBUKU
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Patent number: 8658204Abstract: An object of the present invention is to provide a liposome which is excellent in intrapulmonary delivery controllability of drugs or genes and is suited for pulmonary administration. By modifying the surface of a liposome using a terminal hydrophobized polyvinyl alcohol and/or chitosan, retention of drugs or genes encapsulated in the liposome on the surface of lung tissue and transfer of drugs or genes into lung tissue can be properly modulated, and thus in vivo behavior can be controlled.Type: GrantFiled: March 28, 2008Date of Patent: February 25, 2014Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Hirofumi Takeuchi, Koji Nakano, Hidekazu Toyobuku
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Publication number: 20130341318Abstract: A heater control device having at least two PTC heaters having PTC elements includes switching units which are provided so as to correspond to the PTC heaters and which switch an energized state and a non-energized state of the PTC elements by being turned ON and OFF, pattern information which defines state combination patterns of the energized state and the non-energized state of the PTC elements with respect to a required power value for the heater unit, and a ratio controlling unit which when the required power for the heater unit is at an intermediate value of the required power values defined in the pattern information, controls a ratio of the energized state to the non-energized state of the PTC elements based on a ratio of ON time to OFF time for which an average power within a certain period matches the required power.Type: ApplicationFiled: August 6, 2012Publication date: December 26, 2013Applicant: Mitsubishi Heavy Industries Automtive Thermal Systems Co., Ltd.Inventors: Keiji Nagasaka, Hidetaka Sato, Koji Nakano, Shiro Matsubara, Satoshi Kominami, Kiyotaka Sumito, Kenji Shimizu
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Publication number: 20130334200Abstract: A heater control device includes a current calculating unit (20) which calculates a third value of current based on a first value of current flowing through a first PTC element of a first PTC heater which is in an energized state and a second value of current estimated to flow through a second PTC element of a second PTC heater which is to be newly put into an energized state next, and a switching control unit (21) which maintains a non-energized state of the second PTC element of the second PTC heater until it is determined that the third value of current calculated by the current calculating unit (20) is less than a predetermined maximum allowable value of current and puts the second PTC element of the second PTC heater into an energized state when the third value of current is less than the predetermined maximum allowable value of current.Type: ApplicationFiled: August 6, 2012Publication date: December 19, 2013Applicant: Mitsubishi Heavy Industries Automotive Thermal Systems Co., LtdInventors: Keiji Nagasaka, Hidetaka Sato, Koji Nakano, Shiro Matsubara, Satoshi Kominami
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Publication number: 20130319910Abstract: The invention relates to processes for removing impurities, such as asphalt, from whole crude oil. The invention is accomplished by first deasphalting a feedstock, followed by processing resulting DAO and asphalt fractions. The DAO fraction is hydrocracked, resulting in removal of sulfur and hydrocarbons which boil at temperatures over 370° C., and gasifying the asphalt portion.Type: ApplicationFiled: May 29, 2013Publication date: December 5, 2013Inventors: Omer Refa KOSEOGLU, Masaru Ushio, Koji Nakano
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Publication number: 20130293047Abstract: An object is to provide an integrated-inverter electric compressor with which it is possible to reduce electromagnetic radiation noise, it is also possible to reduce the amount of external current leakage, and, additionally, even the amount of external current flow from an earth wire, and, moreover, it is possible to reduce the size, weight, and cost of a noise-reduction circuit. In an integrated-inverter electric compressor (1) in which an inverter (5) that controls power to be applied to an electric motor (3) is integrally installed in a housing (2) that contains, inside thereof, a compression mechanism and the electric motor (3) that drives the compression mechanism, impedances (Z) having the same capacitance are individually inserted and connected between the housing (2), which is chassis-grounded and into which harmonic currents from the inverter (5) and the electric motor (3) flow, and PN lines (7) that supply power from a power source to the inverter (5).Type: ApplicationFiled: November 7, 2011Publication date: November 7, 2013Inventors: Keiji Nagasaka, Koji Nakano
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Publication number: 20130224050Abstract: An object is to provide a motor-driven compressor capable of reducing cost required when a failure occurs in part of components configuring an inverter device. A power substrate assembly 50 is removably fixed to a housing body 10 in an inverter accommodation chamber 13, and a control substrate assembly 70 and a filter circuit assembly 90 are removably fixed to a cover 30. Therefore, when the cover 30 is removed from the housing body 10, the power substrate assembly 50, the control substrate assembly 70, and the filter circuit assembly 90 can be independently removed from the housing body 10 or the cover 30, and new power substrate assembly 50, control substrate assembly 70, and filter circuit assembly 90 can be independently mounted on the housing body 10 or the cover 30.Type: ApplicationFiled: October 12, 2011Publication date: August 29, 2013Applicant: MITUSUBISHI HEAVY INDUSTRIES AUTOMOTIVE THERMAL SYSTEMS CO., LTDInventors: Takashi Nakagami, Takayuki Takashige, Hiroyuki Kamitani, Koji Nakano
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Patent number: 8490453Abstract: A fixing device is configured by: a pushing device of the die unit capable of pushing the die unit from ahead in the direction of extrusion; and a pressing device of the die unit capable of pressing a die ring and the die cassette from above in a direction intersecting the direction of extrusion. The fixing device of the die unit is arranged between the discard cutting device and an end platen and at the same time, the pressing device of the die unit is provided with a fixing metal fitting of the pushing device of the die unit and a pressing metal fitting of the die ring and when the pressing device of the die unit operates and presses and fixes the die ring and the die cassette, the pushing device of the die is fixed.Type: GrantFiled: April 12, 2010Date of Patent: July 23, 2013Assignee: Ube Machinery Corporation, Ltd.Inventors: Takeharu Yamamoto, Koji Nakano, Nobuhiko Matsumoto
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Publication number: 20130175202Abstract: The present invention relates to a hydrocracking catalyst for hydrocarbon oil comprising a support containing a framework-substituted zeolite-1 in which zirconium atoms and/or hafnium atoms form a part of a framework of an ultrastable y-type zeolite and a hydrogenative metal component carried thereon and a method for producing the same. The hydrocracking catalyst of the present invention makes it easy to diffuse heavy hydrocarbon oils such as VGO, DAO and the like into mesopores, is improved in a cracking activity and makes it possible to obtain a middle distillate at a high yield as compared with catalysts prepared by using zeolite comprising titanium and/or zirconium carried thereon.Type: ApplicationFiled: August 2, 2011Publication date: July 11, 2013Applicants: SAUDI ARABIAN OIL COMPANY, JAPAN COOPERATION CENTER, PETROLEUM, JGC CATALYSTS AND CHEMICALS LTD.Inventors: Omer Refa Koseoglu, Adnan Al-Hajji, Ali Mahmood Al-Somali, Ali H. Al-Abdul'Al, Mishaal Al-Thukair, Masaru Ushio, Ryuzo Kuroda, Takashi Kameoka, Koji Nakano, Yuichi Takamori
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Publication number: 20130119834Abstract: A control circuit board (25) configuring an inverter (21) serves as a thermally-conductive substrate. One surface of the control circuit board (25) is installed in a heat transferable manner on a heat-dissipating planar part (31) disposed on a housing (2), while heat-producing electrical components (39) are disposed in a heat transferable manner on the other surface of the control circuit board (25). The control circuit board (25) includes a substrate body (41) constituted of an insulator, and heat-conducting through members (42) constituted of a good thermal conductor filled through in a thickness direction of the substrate body (41). One end of each of the heat-conducting through members (42) is disposed in a heat transferable manner on the heat-dissipating planar part (31), and the electrical component (39) is disposed in a heat transferable manner on the other end.Type: ApplicationFiled: October 20, 2011Publication date: May 16, 2013Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Takashi Nakagami, Koji Nakano, Hiroyuki Kamitani, Takayuki Takashige
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Publication number: 20130098802Abstract: In a hydrocracking process, the product from the first stage reactor passes through a steam stripper to remove hydrogen, H2S, NH3, light gases (C1-C4), naphtha and diesel products. The stripper bottoms are separated from hydrogen, H2S, NH3, light gases (C1-C4), naphtha, and diesel products and treated in a second stage reactor. The effluent stream from the second stage reactor, along with the stream of separated hydrogen, H2S, NH3, light gases (C1-C4), naphtha, and diesel products, are passed to a separation stage for separating petroleum fractions. Preferably, the effluent stream from the first stage reactor is passed through a steam generator prior to the steam stripping step. In an alternate embodiment, the effluent stream from the first stage reactor is passed through a vapor/liquid separator stripper vessel prior to the steam stripping step.Type: ApplicationFiled: July 27, 2012Publication date: April 25, 2013Inventors: Omer Refa Koseoglu, Ali H. Al-Abdul'al, Masaru Ushio, Koji Nakano
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Patent number: 8408883Abstract: An inverter-integrated vehicle-air-conditioner electric compressor capable of eliminating malfunctions or the like due to electromagnetic noise interference and improving the reliability is provided. In a vehicle-air-conditioner electric compressor with which an inverter unit is integrated, lead-out positions of low-voltage cables and connectors for supplying a low voltage from a low-voltage power supply to a circuit on a low-voltage ground LV are provided either in a side surface opposite to a mounting position of high-voltage components and high-voltage cables for supplying a high voltage from a high-voltage power supply to a power system circuit on a high-voltage system ground HV; or at an end farthest away from the mounting position of the high-voltage cables and the high-voltage components in an adjacent side surface or the same side surface.Type: GrantFiled: September 25, 2008Date of Patent: April 2, 2013Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Yuki Ichise, Takayuki Watanabe, Takashi Nakagami, Koji Nakano
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Patent number: 8382443Abstract: Control device for an electric compressor and a start control method of an electric compressor that can smoothly and reliably start the electric compressor even at high temperature. Even in a high temperature state of a power transistor, a rotational speed or an acceleration rate of a motor according to the temperature is set to gradually start the electric compressor. After the commencement of the start, the temperature of the power transistor is repeatedly checked for every predetermined time to update the rotational speed or the acceleration rate of the motor, and the rotational speed or the acceleration rate of the motor is increased according to the temperature of the power transistor, thereby allowing quick start.Type: GrantFiled: September 25, 2008Date of Patent: February 26, 2013Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Koji Nakano, Takashi Nakagami, Hiroyuki Kamitani