Patents by Inventor Masahiro Takata
Masahiro Takata 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: 11975390Abstract: Provided are a method for producing indium tin oxide particles and a method for producing a curable composition, the methods including a step of obtaining a precursor solution including indium and tin by heating indium acetate and tin acetate in a solvent including a carboxylic acid and having 6 to 20 carbon atoms, and a step of obtaining a reaction solution including indium tin oxide particles by dropwise adding the obtained precursor solution to a solvent having a hydroxy group and having 14 to 22 carbon atoms, which has a temperature of 230° C. to 320° C., in which an acetic acid concentration in the precursor solution is in a range of 0.5% by mass to 6% by mass.Type: GrantFiled: February 8, 2021Date of Patent: May 7, 2024Assignee: FUJIFILM CORPORATIONInventors: Masahiro Takata, Atsushi Tanaka
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Patent number: 11959324Abstract: A control system includes a contact sensor configured to detect contact between an operation body and a door handle, a force sensor configured to detect a force applied by the operation body to the door handle, and a controller configured to control opening or closing of a door when the contact is detected by the contact sensor and the force is detected by the force sensor.Type: GrantFiled: February 10, 2021Date of Patent: April 16, 2024Assignee: ALPS ALPINE CO., LTD.Inventors: Masahiro Takata, Takeshi Masaki, Kazuhito Oshita, Satoru Takizawa
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Patent number: 11954312Abstract: An input device includes a touch panel having an operation surface and configured to receive a touch input and a hover input by an operation body; a display device configured to display a plurality of selection items; a memory; and a processor coupled to the memory. The processor is configured to highlight a selection item, a selection of the selection item being made by the hover input from the plurality of selection items, confirm the selection of the selection item by the hover input in a case where a duration during which the selection item is selected by the hover input reaches a first predetermined threshold, and confirm a selection of the selection item by the touch input in a case where the touch input is detected on the selection item before the duration reaches the first predetermined threshold.Type: GrantFiled: May 27, 2022Date of Patent: April 9, 2024Assignee: ALPS ALPINE CO., LTD.Inventors: Toshiki Nakamura, Hiroshi Shigetaka, Hirofumi Kuga, Masahiro Takata, Yasuji Hagiwara
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Publication number: 20240103169Abstract: an LEO satellite includes a light projecting element that emits emission light to another LEO satellite, an optical telescope, an optical phased array, a light receiving element that receives incident light from the other LEO satellite, a distance measurement unit that measures a distance to the other LEO satellite based on at least one of the emission light and the incident light, and a control unit. The control unit captures the other LEO satellites by scanning emission light using the optical telescope and receives incident light from the other LEO satellites for the other LEO satellites on the same orbital plane, and captures the other LEO satellites by scanning emission light using the optical phased array and receives incident light from the other LEO satellites for the other LEO satellites on different orbital planes.Type: ApplicationFiled: January 13, 2022Publication date: March 28, 2024Applicant: NEC CorporationInventors: Koya TAKATA, Masahiro KAIDEN, Kenji WAKAFUJI
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Publication number: 20230400715Abstract: Provided are an optical modulation element including a substrate 11; an electrode layer 12 provided on the substrate 11; a dielectric layer 13 provided on the electrode layer 12; and a light absorbing layer 14 provided on the dielectric layer 13 and including inorganic nanoparticles, in which the inorganic nanoparticles exhibit localized surface plasmon resonance by light irradiation, an optical shutter including the optical modulation element, and an optical modulation method including dynamically modulating reflected light or transmitted light of light incident into the optical modulation element by changing a voltage to be applied to the light absorbing layer of the optical modulation element.Type: ApplicationFiled: August 28, 2023Publication date: December 14, 2023Applicant: FUJIFILM CorporationInventors: Masashi ONO, Masahiro TAKATA
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Patent number: 11822782Abstract: An input device includes a display that displays buttons visible through an operation surface of a top panel, a detector that detects a center position of a finger facing the operation surface, and a distance from the operation surface to the finger, and a controller that controls the display based on a detector output and determines an input with respect to a button. The controller displays a cursor image on the display at a finger opposing position based on the finger center position, varies a cursor size according to the above described distance, determines a selected button based on the finger center position, and offsets a cursor center position from the finger center position, and surrounds the selected button with the cursor, in a case where the selected button protrudes from the cursor when the cursor center position is aligned to match the finger center position.Type: GrantFiled: September 26, 2022Date of Patent: November 21, 2023Assignee: ALPS ALPINE CO., LTD.Inventors: Masahiro Soma, Yasuji Hagiwara, Keitaro Uchida, Masahiro Takata
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Publication number: 20230322981Abstract: An object of the present invention is to provide a cured product which is suitable as a material for a layer of low refractive index in a multilayer diffractive optical element, can exhibit a desired chromatic aberration reducing effect over a near-infrared wavelength region to a shortwave infrared wavelength region in a case of being used in the multilayer diffractive optical element, and can exhibit high transmittance in this wavelength range; a curable resin composition suitable for obtaining this cured product; and a diffractive optical element and a multilayer diffractive optical element including this cured product. Provided are a curable resin composition which includes oxide nanoparticles including indium and cerium, a monofunctional or higher functional (meth)acrylate compound, and a dispersant; a cured product formed of the curable resin composition; a diffractive optical element and a multilayer diffractive optical element; and oxide nanoparticles used in this composition.Type: ApplicationFiled: December 29, 2022Publication date: October 12, 2023Applicant: FUJIFILM CorporationInventors: Masahiro TAKATA, Masashi ONO, Naozumi SHIRAIWA
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Patent number: 11687195Abstract: A contactless input device includes a plurality of sensor electrodes and a determination unit. The plurality of sensor electrodes are configured to, when a hand performs an operational input over an operating surface of an operating part in a contactless manner, detect individual capacitances correlated to proximity of the hand to the operating surface. The determination unit is configured to calculate sharpnesses of the hand at a plurality of different locations in plan view based on the respective capacitances detected by the plurality of sensor electrodes and determine a location of the operational input based on the sharpnesses.Type: GrantFiled: August 12, 2022Date of Patent: June 27, 2023Assignee: Alps Alpine Co., Ltd.Inventors: Keitaro Uchida, Masaki Ota, Masahiro Takata
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Publication number: 20230118137Abstract: An input device includes a display that displays buttons visible through an operation surface of a top panel, a detector that detects a center position of a finger facing the operation surface, and a distance from the operation surface to the finger, and a controller that controls the display based on a detector output and determines an input with respect to a button. The controller displays a cursor image on the display at a finger opposing position based on the finger center position, varies a cursor size according to the above described distance, determines a selected button based on the finger center position, and offsets a cursor center position from the finger center position, and surrounds the selected button with the cursor, in a case where the selected button protrudes from the cursor when the cursor center position is aligned to match the finger center position.Type: ApplicationFiled: September 26, 2022Publication date: April 20, 2023Inventors: Masahiro SOMA, Yasuji HAGIWARA, Keitaro UCHIDA, Masahiro TAKATA
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Patent number: 11603457Abstract: Provided is a curable composition including oxide particles that include at least indium and tin, and to which a ligand having a hydrocarbon group and a binding site to the oxide particles is bonded; and a polymerizable compound, in which a content of the oxide particles in the composition is 18 mass % or more with respect to a total solid content of the composition; and a cured product of the curable composition or a lens unit including the cured product.Type: GrantFiled: January 30, 2020Date of Patent: March 14, 2023Assignee: FUJIFILM CorporationInventors: Masashi Ono, Masahiro Takata, Takeharu Tani
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Publication number: 20230063584Abstract: A contactless input device includes a plurality of sensor electrodes and a determination unit. The plurality of sensor electrodes are configured to, when a hand performs an operational input over an operating surface of an operating part in a contactless manner, detect individual capacitances correlated to proximity of the hand to the operating surface. The determination unit is configured to calculate sharpnesses of the hand at a plurality of different locations in plan view based on the respective capacitances detected by the plurality of sensor electrodes and determine a location of the operational input based on the sharpnesses.Type: ApplicationFiled: August 12, 2022Publication date: March 2, 2023Inventors: Keitaro UCHIDA, Masaki OTA, Masahiro TAKATA
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Publication number: 20220393126Abstract: There is provided a semiconductor film that includes an aggregate of semiconductor quantum dots that contain a Pb atom, and a ligand that is coordinated to the semiconductor quantum dot, in which a ratio of the number of Pb atoms having a valence of 1 or less to the number of Pb atoms having a valence of 2 is 0.20 or less. There are also provided a photodetector element, an image sensor, and a manufacturing method for a semiconductor film.Type: ApplicationFiled: August 4, 2022Publication date: December 8, 2022Applicant: FUJIFILM CorporationInventors: Masashi ONO, Masahiro TAKATA
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Publication number: 20220384753Abstract: There is provided a photodetector element having a photoelectric conversion layer containing an aggregate of semiconductor quantum dots QD1 that contain a metal atom and containing a ligand L1 that is coordinated to the semiconductor quantum dot QD1, and a hole transport layer containing an aggregate of semiconductor quantum dots QD2 that contains a metal atom and containing a ligand L2 that is coordinated to the semiconductor quantum dot QD2, the hole transport layer being arranged on the photoelectric conversion layer, in which a band gap Eg2 of the semiconductor quantum dot QD2 is larger than a band gap Eg1 of the semiconductor quantum dot QD1, and a difference between the band gap Eg2 of the semiconductor quantum dot QD2 and the band gap Eg1 of the semiconductor quantum dot QD1 is 0.10 eV or more. There is also provided an image sensor including the photodetector element.Type: ApplicationFiled: August 8, 2022Publication date: December 1, 2022Applicant: FUJIFILM CorporationInventors: Masahiro TAKATA, Masashi ONO
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Publication number: 20220298348Abstract: Provide are a curable resin composition containing ITO particles, in which a cured product obtained from the curable resin composition can exhibit high transmittance over a visible light to shortwave infrared wavelength region while maintaining a wavelength dependence of a desired refractive index; a cured product formed of the curable resin composition; and a diffractive optical element and a multilayer diffractive optical element. A curable resin composition includes particles which have a core-shell structure, in which a core portion is composed of indium tin oxide, a monofunctional or higher (meth)acrylate compound, and a dispersant; a cured product formed of the curable resin composition; and a diffractive optical element and a multilayer diffractive optical element.Type: ApplicationFiled: February 9, 2022Publication date: September 22, 2022Applicant: FUJIFILM CorporationInventors: Masahiro TAKATA, Masashi ONO, Naozumi SHIRAIWA
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Publication number: 20220291814Abstract: An input device includes a touch panel having an operation surface and configured to receive a touch input and a hover input by an operation body; a display device configured to display a plurality of selection items; a memory; and a processor coupled to the memory. The processor is configured to highlight a selection item, a selection of the selection item being made by the hover input from the plurality of selection items, confirm the selection of the selection item by the hover input in a case where a duration during which the selection item is selected by the hover input reaches a first predetermined threshold, and confirm a selection of the selection item by the touch input in a case where the touch input is detected on the selection item before the duration reaches the first predetermined threshold.Type: ApplicationFiled: May 27, 2022Publication date: September 15, 2022Inventors: Toshiki NAKAMURA, Hiroshi SHIGETAKA, Hirofumi KUGA, Masahiro TAKATA, Yasuji HAGIWARA
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Patent number: 11424086Abstract: An operation device includes a housing, an operation member, and a detector. The housing includes an electrically conductive portion on a surface thereof. The operation member is supported by the housing such that the operation member is movable in response to an operation by an operation body, and is configured to be capacitively coupled to the operation body and to the electrically conductive portion. The detector is configured to detect whether the operation body is in proximity to the operation member based on a change in capacitance at the electrically conductive portion.Type: GrantFiled: February 2, 2021Date of Patent: August 23, 2022Assignee: ALPS ALPINE CO., LTD.Inventors: Yasuji Hagiwara, Daisuke Takai, Takashi Sasaki, Takeshi Masaki, Toshiki Nakamura, Masaki Ota, Hiroshi Shigetaka, Masahiro Takata
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Patent number: 11377545Abstract: The present invention provides a curable resin composition including a bifunctional or more (meth)acrylate compound, indium tin oxide particles, and an acidic polymer, in which the acidic polymer has a moiety including a carboxyl group at a polymer skeleton of a (meth)acrylate compound and at any one of terminals of the polymer skeleton of a (meth)acrylate compound, and an acid value of the acidic polymer is 2.0 mgKOH/g or more and less than 100 mgKOH/g. The curable resin composition of the present invention provides a transparent cured product, hardly causes bubbles to be mixed in a case of applying the curable resin composition to a mold so as to form a lattice-shaped cured product, and also has a good peeled surface shape from the mold after curing. The present invention also provides a diffractive optical element including a surface having a diffraction grating shape and formed of the cured product of the curable resin composition.Type: GrantFiled: September 14, 2020Date of Patent: July 5, 2022Assignee: FUJIFILM CorporationInventors: Takayasu Nagai, Naozumi Shiraiwa, Takafumi Nakayama, Naoyuki Morooka, Masahiro Takata, Masanori Fujiwara
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Publication number: 20220115611Abstract: A photodetector element contains aggregates of PbS quantum dots and a ligand that is coordinated to the PbS quantum dot, in which the PbS quantum dot contains 1.75 mol or more and 1.95 mol or less of a Pb atom with respect to 1 mol of a S atom.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Applicant: FUJIFILM CorporationInventors: Masahiro TAKATA, Masashi ONO, Shunsuke KITAJIMA
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Publication number: 20220115610Abstract: A photodetector element contains aggregates of PbS quantum dots and a ligand that is coordinated to the PbS quantum dot, in which the PbS quantum dot contains more than 0 mol and 1.40 mol or less of a Pb atom with respect to 1 mol of a S atom.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Applicant: FUJIFILM CorporationInventors: Masahiro TAKATA, Masashi ONO, Shunsuke KITAJIMA
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Publication number: 20220102420Abstract: A semiconductor film contains aggregates of semiconductor quantum dots containing a metal atom and a ligand that is coordinated to the semiconductor quantum dot, where the ligand contains a first ligand that is an inorganic halide and a second ligand that is represented by any one of Formulae (A) to (C). XA1 and XA2 are separated by LA1 by 1 or 2 atoms, XB1 and XB3, and XB2 and XB3 are respectively independently separated by LB1 and LB2 by 1 or 2 atoms, and XC1 and XC4, XC2 and XC4, and XC3 and XC4 are respectively independently separated by LC1, LC2, or LC3 by 1 or 2 atoms.Type: ApplicationFiled: December 8, 2021Publication date: March 31, 2022Applicant: FUJIFILM CorporationInventors: Masashi ONO, Masahiro TAKATA, Tetsushi MIYATA