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).

  • Publication number: 20240109653
    Abstract: 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: Application
    Filed: September 25, 2023
    Publication date: April 4, 2024
    Inventors: Masahiko Asanuma, Susumu Mashio, Yusuke Nakai, Takahiro Ito
  • Publication number: 20240106390
    Abstract: 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: Application
    Filed: January 27, 2022
    Publication date: March 28, 2024
    Applicants: NICHIMO Corporation, C. I. TAKIRON Corporation, C. I. TAKIRONCIVIL Corporation
    Inventors: Ichiro HIURA, Takahiro KOINOUCHI, Takaaki NAKAI, Kohei ONISHI, Yuki HYUGA
  • Patent number: 11754330
    Abstract: 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: Grant
    Filed: March 11, 2019
    Date of Patent: September 12, 2023
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yuki Mori, Masashi Fujitsuka, Takahiro Nakai
  • Publication number: 20230125216
    Abstract: 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: Application
    Filed: March 1, 2021
    Publication date: April 27, 2023
    Inventors: Ryotaro YOKOI, Takahiro NAKAI, Tomotake NASHIKI
  • Patent number: 11577491
    Abstract: 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: Grant
    Filed: January 11, 2019
    Date of Patent: February 14, 2023
    Assignee: NITTO DENKO CORPORATION
    Inventors: Xiaolei Chen, Hironobu Machinaga, Hajime Nishio, Taichi Watanabe, Takahiro Nakai
  • Patent number: 11441808
    Abstract: 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 evaluation
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: September 13, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuki Mori, Masashi Fujitsuka, Takahiro Nakai
  • Publication number: 20220136751
    Abstract: 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: Application
    Filed: March 11, 2019
    Publication date: May 5, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yuki MORI, Masashi FUJITSUKA, Takahiro NAKAI
  • Patent number: 11217137
    Abstract: 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: Grant
    Filed: June 14, 2019
    Date of Patent: January 4, 2022
    Assignee: SHENZHEN TOREY MICROELECTRONIC TECHNOLOGY CO. LTD.
    Inventor: Takahiro Nakai
  • Publication number: 20210215385
    Abstract: 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 evaluation
    Type: Application
    Filed: July 18, 2018
    Publication date: July 15, 2021
    Inventors: Yuki MORI, Masashi FUJITSUKA, Takahiro NAKAI
  • Patent number: 11011099
    Abstract: 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: Grant
    Filed: January 13, 2020
    Date of Patent: May 18, 2021
    Assignee: SHENZHEN TOREY MICROELECTRONIC TECHNOLOGY CO. LTD.
    Inventor: Takahiro Nakai
  • Publication number: 20210078289
    Abstract: 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: Application
    Filed: September 11, 2019
    Publication date: March 18, 2021
    Inventors: Takahiro NAKAI, Xiaolei CHEN, Hironobu MACHINAGA
  • Publication number: 20210060904
    Abstract: 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: Application
    Filed: January 11, 2019
    Publication date: March 4, 2021
    Inventors: Xiaolei CHEN, Hironobu MACHINAGA, Hajime NISHIO, Taichi WATANABE, Takahiro NAKAI
  • Publication number: 20200226970
    Abstract: 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: Application
    Filed: January 13, 2020
    Publication date: July 16, 2020
    Inventor: TAKAHIRO NAKAI
  • Patent number: 10533763
    Abstract: 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: Grant
    Filed: September 1, 2014
    Date of Patent: January 14, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takaya Yamamoto, Yoshitaka Uno, Kiyoshi Maekawa, Takahiro Nakai
  • Publication number: 20190385505
    Abstract: [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: Application
    Filed: June 14, 2019
    Publication date: December 19, 2019
    Inventor: TAKAHIRO NAKAI
  • Patent number: 10061277
    Abstract: 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-movement
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: August 28, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kotaro Nagaoka, Teruaki Fukuoka, Takahiro Nakai
  • Publication number: 20170268795
    Abstract: 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: Application
    Filed: September 1, 2014
    Publication date: September 21, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takaya YAMAMOTO, Yoshitaka UNO, Kiyoshi MAEKAWA, Takahiro NAKAI
  • Patent number: 9516721
    Abstract: 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: Grant
    Filed: October 6, 2011
    Date of Patent: December 6, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shigenori Morita, Ryohei Kakiuchi, Takahiro Nakai, Jin Yoshikawa, Masahiko Watanabe, Junichi Nagase
  • Patent number: 9174368
    Abstract: 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: Grant
    Filed: March 17, 2010
    Date of Patent: November 3, 2015
    Assignee: NITTO DENKO CORPORATION
    Inventors: Toshiyuki Iida, Takahiro Nakai, Takashi Shimizu, Tsutomu Hani
  • Publication number: 20150303402
    Abstract: 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: Application
    Filed: October 1, 2013
    Publication date: October 22, 2015
    Applicant: NITTO DENKO CORPORATION
    Inventors: Jin Yoshikawa, Yoshinori Osaki, Takahiro Nakai