Patents by Inventor Masaki Chiba
Masaki Chiba 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: 20220154988Abstract: A liquid separator including a cylindrical closed container in which a refrigerant is stored, a refrigerant inflow pipe that allows the refrigerant to flow into the closed container, and a refrigerant outflow pipe that allows the vapor-phase refrigerant in a space inside the closed container to flow out, in which the refrigerant inflow pipe and the refrigerant outflow pipe are each connected from the upper part of the closed container toward the inside thereof, and the closed container has a short cylindrical shape in which the height is smaller relative to the diameter.Type: ApplicationFiled: March 6, 2020Publication date: May 19, 2022Applicant: NEC CorporationInventors: Takafumi NATSUMEDA, Masaki CHIBA, Koichi TODOROKI, Minoru YOSHIKAWA
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Publication number: 20220146167Abstract: A cooling apparatus includes a heat receiver that evaporates a low pressure heat transfer medium; a compressor that compresses the evaporated heat transfer medium in a gas phase state, a condenser that condenses the compressed heat transfer medium, a receiver tank that receives and stores at least one of the heat transfer medium from any place in a flow path of the heat transfer medium in the gas phase state that returns the heat transfer medium to the heat receiver and the condensed heat transfer medium in a liquid phase state, an air storage tank that introduces and stores air separated from the heat transfer medium in the receiver tank, and a liquid level controller that controls a liquid level in the receiver tank such that the heat transfer medium in the liquid phase state is stored in the receiver tank at a predetermined liquid level height.Type: ApplicationFiled: November 8, 2021Publication date: May 12, 2022Applicant: NEC CorporationInventors: Yoshinori MIYAMOTO, Minoru YOSHIKAWA, Masaki CHIBA
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Patent number: 11262136Abstract: Provided are a phase change cooler with enhanced cooling performance and enhanced pressure resistance performance, and an electronic device using such a phase change cooler. The phase change cooler includes a heat receiving unit, a heat dissipating unit, a vapor pipe and a liquid pipe that interconnect the heat receiving unit and the heat dissipating unit to form a loop, and refrigerant encapsulated inside the phase change cooler. The heat receiving unit has an approximately semicircular cross section, and the vapor pipe is coupled to an inclined face of the heat receiving unit.Type: GrantFiled: March 23, 2017Date of Patent: March 1, 2022Assignee: NEC CORPORATIONInventors: Mahiro Hachiya, Masaki Chiba
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Publication number: 20220049880Abstract: A heating medium compression apparatus includes: first and second compressors compressing a heating medium; suction side and discharge side pipings connecting the first and second compressors to a heat exchanger; a connection piping connecting a discharge side of the first compressor and a suction side of the second compressor in series; and a control unit controlling a flow rate of the heating medium flowing in the suction side piping, the discharge side piping, and the connection piping. The control unit alternatively connects the first or second compressor to the suction side and discharge side pipings, or connects the first and second compressors in series between the suction side and discharge side pipings and performs control such that the flow rate of the heating medium suctioned into the second compressor connected in series becomes higher than that of the heating medium discharged from the first compressor.Type: ApplicationFiled: August 10, 2021Publication date: February 17, 2022Applicant: NEC CorporationInventors: Masaki CHIBA, Minoru Yoshikawa, Yoshinori Miyamoto
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Publication number: 20220049856Abstract: An air conditioner includes: a turbo compressor that compresses a heat medium; a heat exchanger that exchanges heat of the heat medium supplied from the turbo compressor with an atmosphere; and a supply flow path and a discharge flow path that connect the turbo compressor and the heat exchanger. At least one of the supply flow path and the discharge flow path includes piping, and the piping includes a gas barrier layer that covers a surface of a synthetic resin.Type: ApplicationFiled: August 12, 2021Publication date: February 17, 2022Applicant: NEC CorporationInventors: Masaki CHIBA, Kunihko ISHIHARA, Minoru YOSHIKAWA, Junichi MIYAMOTO, Yoshinori MIYAMOTO
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Publication number: 20220053670Abstract: A cooling device includes: a duct that guides air that has absorbed heat generated inside a cooling target and has been discharged, to the cooling target; a cooler that is provided in the duct and cools the air flowing inside the duct; and an adjusting mechanism that is located on a downstream side of the cooler, adjusts an amount of the air discharged from the duct into a room where the cooling target is installed.Type: ApplicationFiled: August 10, 2021Publication date: February 17, 2022Applicant: NEC CorporationInventors: Kenji KOBAYASHI, Koichi TODOROKI, Nirmal Singh RAJPUT, Yoshinori MIYAMOTO, Masaki CHIBA, Minoru YOSHIKAWA
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Publication number: 20210368648Abstract: To provide a cooling device capable of cooling a heat-generating body using simple configuration, the cooling device comprises two evaporators, two condensers, a compressor and an expansion valve, and is configured so that any one among a first flow path setting, a second flow path setting, a third flow path setting, and a fourth flow path setting can be selected.Type: ApplicationFiled: January 21, 2019Publication date: November 25, 2021Applicant: NEC CorporationInventors: Masaki CHIBA, Minoru YOSHIKAWA, Hisato SAKUMA, Takafumi NATSUMEDA
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Patent number: 11180848Abstract: A plasma atomic layer deposition apparatus includes: a source gas supply port functioning also as a cleaning gas supply port provided on a first side wall of a film-forming container; and a source gas exhaust port functioning also as a cleaning gas exhaust port provided on a second side wall opposed to the first side wall of the film-forming container.Type: GrantFiled: August 4, 2018Date of Patent: November 23, 2021Assignee: THE JAPAN STEEL WORKS, LTD.Inventors: Masamitsu Toramaru, Keisuke Washio, Masaki Chiba, Masao Nakata
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Patent number: 11047627Abstract: An evaporator includes: a first surface which conducts heat; a heat medium in the evaporator, which vaporizes as a result of the heat absorbed; a condenser which liquefies the heat medium in a vaporized state; a vapour pipe which guides the heat medium in the vaporized state from the evaporator to the condenser; and a liquid pipe which guides the heat medium in a liquefied state from the condenser to the evaporator. A first opening of the vapour pipe and a second opening of the liquid pipe are disposed in different positions from each other in a first direction, and are disposed so as to open into a heat medium accommodation space inside the evaporator at different positions from each other in a second direction, and which is different to the first direction, and also at different positions from each other in a third direction which intersects the first surface.Type: GrantFiled: March 21, 2017Date of Patent: June 29, 2021Assignee: NEC CORPORATIONInventors: Masaki Chiba, Mahiro Hachiya, Minoru Yoshikawa
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Patent number: 10988841Abstract: In order to suppress a film from being formed in a gap between a mask and a substrate, a technology of improving adhesion between the mask and the substrate is provided. A film-forming method includes the step of suspending a mask MK by a suspension portion HU in a state in which the suspension portion HU is supported by a supporting portion SU and the step of bringing the mask MK suspended by the suspension portion HU into contact with a glass substrate GS in the state in which the suspension portion HU is supported by the supporting portion SU.Type: GrantFiled: October 31, 2017Date of Patent: April 27, 2021Assignee: THE JAPAN STEEL WORKS, LTD.Inventors: Keisuke Washio, Masaki Chiba, Masao Nakata
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Publication number: 20210092876Abstract: The present invention provides a local air conditioner. In a local air conditioner system provided with a plurality of local air conditioners, an increase in the number of local air conditioners is problematic. Thus, the local air conditioner of the present invention comprising: a heat exchanger; a first main flow pipe; a second main flow pipe; a first branch pipe that connects the heat exchanger and the first main flow pipe; and a second branch pipe that connects the heat exchanger and the second main flow pipe, wherein the first main flow pipe is provided with a first connection structure on both end portions and the second main flow pipe is provided with a second connection structure on both end portions.Type: ApplicationFiled: December 17, 2018Publication date: March 25, 2021Applicant: NEC CorporationInventors: Koichi TODOROKI, Minoru YOSHIKAWA, Kunihiko ISHIHARA, Masaki CHIBA
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Publication number: 20210031631Abstract: Disclosed is an interior structure (1, 100, 200) for a vehicle, which comprises a vehicle interior structural component (12, 114, 216) arranged within a field-of-view of a driver, wherein at least one outline (12a, 114a, 216a) of the vehicle interior structural component is approximately coincident with an axis line (Ab, Af, Ad) oriented toward a vehicle interior of the vehicle, among a plurality of axis lines radially extending from a vanishing point (P) defined when the driver visually views forwardly while being seated in a driver seat.Type: ApplicationFiled: August 17, 2018Publication date: February 4, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Seishi NAKAMURA, Tomonori OHTSUBO, Taro OIKE, Masaki CHIBA
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Publication number: 20210010763Abstract: A heat exchanger has a structure in which a heat exchanger main body through which coolant flows is obliquely installed in a box-shaped enclosure, the heat exchanger main body is constituted by a header pipe and a plurality of heat transfer pipes connected to the header pipe and disposed at predetermined intervals along a surface of a part of the header pipe, the header pipe has an area adjacent to an inner surface of the enclosure, and a seal section is provided between the inner surface of the enclosure and the area of the header pipe adjacent to the enclosure.Type: ApplicationFiled: July 8, 2020Publication date: January 14, 2021Applicant: NEC CorporationInventors: Koichi TODOROKI, Minoru YOSHIKAWA, Masaki CHIBA
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Publication number: 20210003327Abstract: In order to efficiently distribute a heat medium at a low heat medium pressure, a heat exchange apparatus includes a heat exchange pipe 2 configured to accommodate a heat medium L to be evaporated by heat absorption from a gas to be cooled, the heat exchange pipe being disposed in an inclined state, a supply pipe 1 configured to supply the heat medium L in a liquid-phase state, the supply pipe being placed in a vicinity of a lower part of the heat exchange pipe 2, a discharge pipe 3 configured to receive a heat medium L to be evaporated in the heat exchange pipe 2 and discharged from an upper part of the heat exchange pipe, and a connecting pipe 4 placed, directing downward, between an upper part of the heat exchange pipe 2 and the discharge pipe 3.Type: ApplicationFiled: March 20, 2019Publication date: January 7, 2021Applicant: NEC CorporationInventors: Koichi TODOROKI, Minoru YOSHIKAWA, Kunihiko ISHIHARA, Masaki CHIBA, Yoshinori MIYAMOTO, Takafumi NATSUMEDA, Nirmal Singh RAJPUT
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Publication number: 20200400348Abstract: A cooling device 10 comprising a first evaporation unit 11, a second evaporation unit 12, a first condensation unit 21, a second condensation unit 22, common piping CP, a compressor 30, an expansion valve 40, a first valve 71, and a second valve 72. The common piping CP combines liquid-phase refrigerant LP-COO flowing from the first condensation unit 21 and liquid-phase refrigerant LP-COO flowing from the second condensation unit 22. The first valve 71 adjusts the liquid-phase refrigerant amount LP-COO flowing into the first evaporation unit 11. The second valve 72 adjusts the liquid-phase refrigerant amount LP-COO flowing into the second evaporation unit 12. In addition, the pressure P0 inside the common pipe CP is greater than the respective pressures P1 and P2 inside the first evaporation unit 11 and the second evaporation unit 12. Thus, the length of the piping can be shortened.Type: ApplicationFiled: March 19, 2019Publication date: December 24, 2020Applicant: NEC CorporationInventors: Hisato SAKUMA, Koichi TODOROKI, Masaki CHIBA, Takafumi NATSUMEDA, Minoru YOSHIKAWA
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Patent number: 10850726Abstract: There is provided a vehicle behavior control device capable of improving responsivity of a vehicle behavior and a linear feeling with respect to a steering wheel operation without causing a driver to experience a strong feeling of intervention of the control and, at the same time, capable of controlling behavior of a vehicle in such a manner as to also improve stability of the vehicle attitude and riding comfort. In a vehicle behavior control device applied to a vehicle 1 having steerable front road wheels 2, the vehicle behavior control device includes a PCM 14 which acquires a steering speed of the vehicle, and increases a pitch angle in such a direction that a front portion of the vehicle dips when the steering speed becomes equal to or greater than a given threshold TS1 which is greater than zero.Type: GrantFiled: March 30, 2017Date of Patent: December 1, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Toru Yoshioka, Daisuke Umetsu, Osamu Sunahara, Yasunori Takahara, Masaki Chiba
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Patent number: 10836378Abstract: There is provided a vehicle behavior control device capable of improving responsivity of a vehicle behavior and a linear feeling with respect to a steering wheel operation without causing a driver to experience a strong feeling of intervention of the control and, at the same time, capable of controlling behavior of a vehicle in such a manner as to also improve stability of the vehicle attitude and riding comfort. In a vehicle behavior control device applied to a vehicle 1 having steerable front road wheels 2, the vehicle behavior control device includes a PCM 14 which acquires a steering speed of the vehicle, and increases a vertical load on the front road wheels when the steering speed becomes equal to or greater than a given threshold TS1 which is greater than zero.Type: GrantFiled: March 30, 2017Date of Patent: November 17, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Tom Yoshioka, Daisuke Umetsu, Osamu Sunahara, Yasunori Takahara, Masaki Chiba
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Patent number: 10813243Abstract: It is impossible to avoid the increase in device cost and maintenance cost in order to cool a plurality of heat sources efficiently using a natural-circulation type phase-change cooling device; therefore, a phase-change cooling device according to an exemplary aspect of the present invention includes a plurality of heat receiving units configured to hold respectively refrigerant receiving heat from a plurality of heat sources; a condensing unit configured to generate refrigerant liquid by condensing and liquefying refrigerant vapor of the refrigerant evaporated in the heat receiving units; a refrigerant vapor transport structure connecting the heat receiving units to the condensing unit and configured to transport the refrigerant vapor; and a refrigerant liquid transport structure connecting the heat receiving units to the condensing unit and configured to transport the refrigerant liquid, wherein the refrigerant liquid transport structure includes a main-liquid-pipe connected to the condensing unit, a refrigType: GrantFiled: August 20, 2015Date of Patent: October 20, 2020Assignee: NEC CorporationInventors: Akira Shoujiguchi, Minoru Yoshikawa, Masaki Chiba, Arihiro Matsunaga, Masanori Sato
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Patent number: 10793136Abstract: There is provided a vehicle behavior control device capable of improving responsivity of a vehicle behavior and a linear feeling with respect to a steering wheel operation without causing a driver to experience a strong feeling of intervention of the control and, at the same time, capable of controlling behavior of a vehicle in such a manner as to also improve stability of the vehicle attitude and riding comfort. In a vehicle behavior control device applied to a vehicle having steerable front road wheels, the vehicle behavior control device includes a PCM which acquires a steering speed of the vehicle, and generates a deceleration jerk which is a rearward jerk in a longitudinal direction of the vehicle when the steering speed becomes equal to or greater than a given threshold TS1 which is greater than zero.Type: GrantFiled: March 30, 2017Date of Patent: October 6, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Toru Yoshioka, Daisuke Umetsu, Osamu Sunahara, Yasunori Takahara, Masaki Chiba
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Publication number: 20200300554Abstract: An evaporator includes: a first surface which conducts heat; a heat medium in the evaporator, which vaporizes as a result of the heat absorbed; a condenser which liquefies the heat medium in a vaporized state; a vapour pipe which guides the heat medium in the vaporized state from the evaporator to the condenser; and a liquid pipe which guides the heat medium in a liquefied state from the condenser to the evaporator. A first opening of the vapour pipe and a second opening of the liquid pipe are disposed in different positions from each other in a first direction, and are disposed so as to open into a heat medium accommodation space inside the evaporator at different positions from each other in a second direction, and which is different to the first direction, and also at different positions from each other in a third direction which intersects the first surface.Type: ApplicationFiled: March 21, 2017Publication date: September 24, 2020Applicant: NEC CorporationInventors: Masaki CHIBA, Mahiro HACHIYA, Minoru YOSHIKAWA