Patents by Inventor Takahiro Nakai
Takahiro Nakai 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: 20240109653Abstract: In a state where lift is generated in a front wing and a rear wing, a control device for an aircraft controls the pitch of each blade and the stopped state rotation angle of each VTOL rotor to control the force generated in each VTOL rotor in a state where rotation of the VTOL rotor is stopped, thereby applying a force to a fuselage.Type: ApplicationFiled: September 25, 2023Publication date: April 4, 2024Inventors: Masahiko Asanuma, Susumu Mashio, Yusuke Nakai, Takahiro Ito
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Publication number: 20240106390Abstract: The present invention is provided with a plurality of solar power generation panels installed via trestles, where an upper surface of power generation surface of the panels faces the sunlight incidence direction. The solar power generation panels include double-sided incidence-type solar power generation panels provided with power generation surfaces on both the upper and lower sides. A light passage space is provided below a lower surface of a power generation surface. The present invention includes a reflector laid so as to cover a site ground underneath the solar power generation panels and the periphery thereof. The reflector is provided with a reflecting layer including a sheet material with a highly light-reflective colour where the surface side facing the lower surface of power generation surface reflects directly incident light of sunlight and scattered light of sunlight.Type: ApplicationFiled: January 27, 2022Publication date: March 28, 2024Applicants: NICHIMO Corporation, C. I. TAKIRON Corporation, C. I. TAKIRONCIVIL CorporationInventors: Ichiro HIURA, Takahiro KOINOUCHI, Takaaki NAKAI, Kohei ONISHI, Yuki HYUGA
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Patent number: 11754330Abstract: The present invention has an object to provide a refrigeration cycle apparatus. A refrigeration cycle apparatus according to the present invention includes: a compressor; and a control apparatus configured to calculate a rotation number command of the compressor. The control apparatus includes a capacity controller configured to calculate the rotation number of the compressor as a capacity rotation number, a protection controller configured to calculate the rotation number of the compressor as a protection rotation number and a rotation number selection unit configured to select any one of the capacity rotation number and the protection rotation number as the rotation number command of the compressor. The rotation number command of the compressor is calculated so that at least any one of causing the current capacity value to approach the capacity target value and causing the protection variable to approach the protection target value is satisfied.Type: GrantFiled: March 11, 2019Date of Patent: September 12, 2023Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yuki Mori, Masashi Fujitsuka, Takahiro Nakai
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Publication number: 20230125216Abstract: The present invention relates to an electromagnetic wave transmissive metallic luster member including: a substrate; an indium oxide-containing layer provided on the substrate in a continuous state; and a metal layer formed on the indium oxide-containing layer, in which the metal layer includes, in at least a part thereof, a plurality of portions which are in a discontinuous state each other, and a sheet resistance of a laminate of the metal layer and the indium oxide-containing layer is 2.50 E + 8 ?/? or more.Type: ApplicationFiled: March 1, 2021Publication date: April 27, 2023Inventors: Ryotaro YOKOI, Takahiro NAKAI, Tomotake NASHIKI
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Patent number: 11577491Abstract: A metallic lustrous member with radio wave transmissibility is provided, which is capable of being easily produced, while ensuring a structure in which not only chromium or indium but also any of some other metals such as aluminum is formed as a metal layer on a continuous surface of any of various materials, and also an article using the member is provided. A production method for a metallic lustrous member with radio wave transmissibility, which is capable of easily forming, as a metal layer, not only chromium or indium but also any of some other metals such as aluminum, on a continuous surface of any of various materials. The metallic lustrous member comprises a substrate having radio wave transmissibility, and an aluminum layer formed directly on a continuous surface of the substrate. The aluminum layer has a discontinuous region including a plurality of separated segments which are mutually discontinuous.Type: GrantFiled: January 11, 2019Date of Patent: February 14, 2023Assignee: NITTO DENKO CORPORATIONInventors: Xiaolei Chen, Hironobu Machinaga, Hajime Nishio, Taichi Watanabe, Takahiro Nakai
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Patent number: 11441808Abstract: An air-conditioning apparatus includes: room temperature sensors; room temperature setting units; a compressor that causes refrigerant to circulate through an outdoor heat exchanger, electric expansion valves, and indoor heat exchangers; a calculation unit including an integrator for a temperature deviation; an output unit that outputs a total opening degree; a calculation unit that uses a required capacity and the total opening degree; a derivation unit that obtains a distance function with a valve opening degree and a temporary valve opening degree as an evaluation function; a derivation unit that obtains equality constraints for equalizing the sum of opening degrees as a variable to the total opening degree; a calculation unit that calculates upper and lower limits of each opening degree; a derivation unit that obtains inequality constraints in which each opening degree falls within the range between the upper and lower limits; and a calculation unit that calculates the opening degrees from the evaluationType: GrantFiled: July 18, 2018Date of Patent: September 13, 2022Assignee: Mitsubishi Electric CorporationInventors: Yuki Mori, Masashi Fujitsuka, Takahiro Nakai
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Publication number: 20220136751Abstract: The present invention has an object to provide a refrigeration cycle apparatus. A refrigeration cycle apparatus according to the present invention includes: a compressor; and a control apparatus configured to calculate a rotation number command of the compressor. The control apparatus includes a capacity controller configured to calculate the rotation number of the compressor as a capacity rotation number, a protection controller configured to calculate the rotation number of the compressor as a protection rotation number and a rotation number selection unit configured to select any one of the capacity rotation number and the protection rotation number as the rotation number command of the compressor. The rotation number command of the compressor is calculated so that at least any one of causing the current capacity value to approach the capacity target value and causing the protection variable to approach the protection target value is satisfied.Type: ApplicationFiled: March 11, 2019Publication date: May 5, 2022Applicant: Mitsubishi Electric CorporationInventors: Yuki MORI, Masashi FUJITSUKA, Takahiro NAKAI
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Patent number: 11217137Abstract: A driving circuit and a display device, to realize the drive circuit where settling time (stabilization time) is shortened, comprise power source lines for discharge (DCL1 through DCLJ). Each input node of a plurality of source amps (AMn) is electrically connected to the power source line for discharge (DCL1) during a first period and a second period in which a DAC circuit (2) supplies a gray scale reference voltage (V0 to V255) that has been selected to each of the plurality of source amps (AMn).Type: GrantFiled: June 14, 2019Date of Patent: January 4, 2022Assignee: SHENZHEN TOREY MICROELECTRONIC TECHNOLOGY CO. LTD.Inventor: Takahiro Nakai
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Publication number: 20210215385Abstract: An air-conditioning apparatus includes: room temperature sensors; room temperature setting units; a compressor that causes refrigerant to circulate through an outdoor heat exchanger, electric expansion valves, and indoor heat exchangers; a calculation unit including an integrator for a temperature deviation; an output unit that outputs a total opening degree; a calculation unit that uses a required capacity and the total opening degree; a derivation unit that obtains a distance function with a valve opening degree and a temporary valve opening degree as an evaluation function; a derivation unit that obtains equality constraints for equalizing the sum of opening degrees as a variable to the total opening degree; a calculation unit that calculates upper and lower limits of each opening degree; a derivation unit that obtains inequality constraints in which each opening degree falls within the range between the upper and lower limits; and a calculation unit that calculates the opening degrees from the evaluationType: ApplicationFiled: July 18, 2018Publication date: July 15, 2021Inventors: Yuki MORI, Masashi FUJITSUKA, Takahiro NAKAI
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Patent number: 11011099Abstract: A DA converter is provided with a select circuit that selects a predetermined number of gray scale reference voltages from a plurality of different gray scale reference voltages on a basis of display data corresponding to a plurality of different gray scale values, and an output circuit that outputs an output voltage corresponding to the gray scale values on a basis of the gray scale reference voltages selected by the select circuit. When the gray scale reference voltages corresponding to the selected gray scale values are substantially equal to the output voltage, the select circuit selects the gray scale reference voltages such that at least one of the gray scale reference voltages to be selected is different from the others.Type: GrantFiled: January 13, 2020Date of Patent: May 18, 2021Assignee: SHENZHEN TOREY MICROELECTRONIC TECHNOLOGY CO. LTD.Inventor: Takahiro Nakai
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Publication number: 20210078289Abstract: The object of the present invention is to provide an electromagnetic wave transmissive metallic luster film that has metallic luster and electromagnetic wave transmitting property, can be used in scratch-resistant situations and can utilize the original texture of an adherend during use of a product. The present invention relates to an electromagnetic wave transmissive metallic luster film including a substrate film, a metal layer formed on one surface of the substrate film and an adhesive layer formed on the metal layer, wherein the metal layer is a discontinuous layer comprising a metal, and the adhesive layer is a layer comprising a transparent adhesive.Type: ApplicationFiled: September 11, 2019Publication date: March 18, 2021Inventors: Takahiro NAKAI, Xiaolei CHEN, Hironobu MACHINAGA
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Publication number: 20210060904Abstract: A metallic lustrous member with radio wave transmissibility is provided, which is capable of being easily produced, while ensuring a structure in which not only chromium or indium but also any of some other metals such as aluminum is formed as a metal layer on a continuous surface of any of various materials, and also an article using the member is provided. A production method for a metallic lustrous member with radio wave transmissibility, which is capable of easily forming, as a metal layer, not only chromium or indium but also any of some other metals such as aluminum, on a continuous surface of any of various materials. The metallic lustrous member comprises a substrate having radio wave transmissibility, and an aluminum layer formed directly on a continuous surface of the substrate. The aluminum layer has a discontinuous region including a plurality of separated segments which are mutually discontinuous.Type: ApplicationFiled: January 11, 2019Publication date: March 4, 2021Inventors: Xiaolei CHEN, Hironobu MACHINAGA, Hajime NISHIO, Taichi WATANABE, Takahiro NAKAI
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Publication number: 20200226970Abstract: A DA converter is provided with a select circuit that selects a predetermined number of gray scale reference voltages from a plurality of different gray scale reference voltages on a basis of display data corresponding to a plurality of different gray scale values, and an output circuit that outputs an output voltage corresponding to the gray scale values on a basis of the gray scale reference voltages selected by the select circuit. When the gray scale reference voltages corresponding to the selected gray scale values are substantially equal to the output voltage, the select circuit selects the gray scale reference voltages such that at least one of the gray scale reference voltages to be selected is different from the others.Type: ApplicationFiled: January 13, 2020Publication date: July 16, 2020Inventor: TAKAHIRO NAKAI
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Patent number: 10533763Abstract: A controller of an air-conditioning system includes a feedback control unit configured to generate a state quantity command from a control parameter and a difference between a target value of a room temperature and a measured room temperature and control the room temperature to the target value on the basis of the state quantity command, a control target heat characteristic model calculation unit configured to calculate a parameter of a model regarding a heat characteristic of a control target from at least a state quantity regarding an amount of heat supplied to the control target or the state quantity command, and the measured room temperature during normal operation, and a control parameter determination unit configured to determine the control parameter by using the parameter and a formula derived from the model regarding the heat characteristic of the control target.Type: GrantFiled: September 1, 2014Date of Patent: January 14, 2020Assignee: Mitsubishi Electric CorporationInventors: Takaya Yamamoto, Yoshitaka Uno, Kiyoshi Maekawa, Takahiro Nakai
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Publication number: 20190385505Abstract: [Object]To realize a drive circuit where settling time (stabilization time) is shortened. [Solution]Power source lines for discharge (DCL1 through DCL3) are provided. Each input node of a plurality of source amps (Amn) is electrically connected to the power source line for discharge (DCL1) during a first period and a second period in which a DAC circuit (2) supplies a gray scale reference voltage (V0 to V255) that has been selected to each of the plurality of source amps (AMn).Type: ApplicationFiled: June 14, 2019Publication date: December 19, 2019Inventor: TAKAHIRO NAKAI
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Patent number: 10061277Abstract: A servo control device includes a coarse-movement reference model unit calculating a coarse-movement model position by performing predetermined filter computation based on a position command; a coarse-movement follow-up control unit controlling the coarse-movement shaft motor such that a coarse-movement-shaft motor position follows the coarse-movement model position based on the coarse-movement-shaft motor position provided from the coarse-movement shaft motor and the coarse-movement model position; an integrated reference model unit calculating an integrated model position by performing predetermined filter computation based on a position command; and a fine-movement follow-up control unit controlling the fine-movement shaft motor such that a fine-movement-shaft motor position follows a fine-movement model position based on the fine-movement-shaft motor position provided from the fine-movement shaft motor and the fine-movement model position obtained from the integrated model position and the coarse-movementType: GrantFiled: December 20, 2012Date of Patent: August 28, 2018Assignee: Mitsubishi Electric CorporationInventors: Kotaro Nagaoka, Teruaki Fukuoka, Takahiro Nakai
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Publication number: 20170268795Abstract: A controller of an air-conditioning system includes a feedback control unit configured to generate a state quantity command from a control parameter and a difference between a target value of a room temperature and a measured room temperature and control the room temperature to the target value on the basis of the state quantity command, a control target heat characteristic model calculation unit configured to calculate a parameter of a model regarding a heat characteristic of a control target from at least a state quantity regarding an amount of heat supplied to the control target or the state quantity command, and the measured room temperature during normal operation, and a control parameter determination unit configured to determine the control parameter by using the parameter and a formula derived from the model regarding the heat characteristic of the control target.Type: ApplicationFiled: September 1, 2014Publication date: September 21, 2017Applicant: Mitsubishi Electric CorporationInventors: Takaya YAMAMOTO, Yoshitaka UNO, Kiyoshi MAEKAWA, Takahiro NAKAI
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Patent number: 9516721Abstract: In order to provide an organic electroluminescent light-emitting device with less uneven brightness, which can be manufactured at low cost, a plurality of ribbon-like organic electroluminescent elements are connected to wires, which are connected to electrode terminals for energization at specific locations in a terminal region and mounted on a base material which has a substantially plate-like shape.Type: GrantFiled: October 6, 2011Date of Patent: December 6, 2016Assignee: NITTO DENKO CORPORATIONInventors: Shigenori Morita, Ryohei Kakiuchi, Takahiro Nakai, Jin Yoshikawa, Masahiko Watanabe, Junichi Nagase
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Patent number: 9174368Abstract: The retardation film of the present invention contains at least one of an epoxy resin cured product and an epoxy (meth)acrylate resin cured product. In the retardation film of the present invention, in-plane birefringence index thereof at a wavelength of 590 nm is preferably 0.001 or more and a birefringence index in a thickness direction thereof at a wavelength of 590 nm is preferably 0.001 or more.Type: GrantFiled: March 17, 2010Date of Patent: November 3, 2015Assignee: NITTO DENKO CORPORATIONInventors: Toshiyuki Iida, Takahiro Nakai, Takashi Shimizu, Tsutomu Hani
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Publication number: 20150303402Abstract: An organic EL device whose organic EL elements hardly deteriorate and device manufacturing method are provided. The organic EL device 1 includes: a light emission panel 2 and a sealing member 3, wherein the light emission panel 2 comprises a base material 21, a plurality of organic electroluminescence elements 5 each including an organic layer 53 and electrode terminals 521, 541, and a connection portion 6, wherein the organic electroluminescence elements 5 are disposed on the base material 21 in parallel in a tile pattern, and the connection portion 6 is a portion to which the electrode terminals 521, 541 of each organic electroluminescence element 5 are electrically connected; and the sealing member 3 seals a light emission region 22 formed by a plurality of organic layers 53 and an inter-layer region 23 sandwiched by two neighboring organic layers 53 in the light emission panel 2.Type: ApplicationFiled: October 1, 2013Publication date: October 22, 2015Applicant: NITTO DENKO CORPORATIONInventors: Jin Yoshikawa, Yoshinori Osaki, Takahiro Nakai