Patents by Inventor Kentaro Fujita
Kentaro Fujita 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: 11951695Abstract: Provided are methods for producing a fiber-reinforced plastic having high mechanical properties and high productivity during molding of a complicated shape. In one aspect, the method produces a fiber-reinforced plastic using a tape substrate A and a sheet substrate B, the tape substrate A being a tape-shaped substrate including one or more sheets of incised prepreg a; the incised prepreg a being a prepreg including unidirectionally oriented reinforcing fibers and a resin and having a plurality of incisions dividing the reinforcing fibers formed in the prepreg, and satisfying the following condition 1; the sheet substrate B being a substrate including randomly oriented reinforcing fibers and a resin.Type: GrantFiled: January 19, 2018Date of Patent: April 9, 2024Assignee: Toray Industries, Inc.Inventors: Yuzo Fujita, Kentaro Adachi, Takuya Karaki
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Publication number: 20240100275Abstract: A controller for an inhalation apparatus, which operates by electric power supplied from a power supply, includes a holding portion configured to hold an atomizer including a heater configured to generate flavored aerosol from a generation source of an aerosol source, a nonvolatile display; and a processor configured to control update of display of the nonvolatile display, wherein the processor determines whether to perform the update in response to occurrence of a factor for changing a remaining amount of the generation source.Type: ApplicationFiled: December 6, 2023Publication date: March 28, 2024Applicant: Japan Tobacco Inc.Inventors: Ikuo FUJINAGA, Kentaro YAMADA, Hajime FUJITA
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Publication number: 20240102924Abstract: A diagnostic optical microscope according to the present embodiment includes at least one laser light source (11) configured to generate laser light for illuminating a sample (40) containing a light absorbing material, a lens configured to focus the laser light to be focused on the sample (40), scanning means for changing a focusing position of the laser light on the sample (40), and a light detector (31) configured to detect laser light transmitted through the sample (40) as signal light. A laser light intensity is changed to obtain a nonlinear region in which the laser light intensity and a signal light intensity have a nonlinear relation due to occurrence of saturation of absorption in the light absorbing material when the laser light intensity is maximized. An image is generated based on a nonlinear component of the signal light based on the saturation of absorption in the light absorbing material.Type: ApplicationFiled: January 19, 2022Publication date: March 28, 2024Inventors: Katsumasa FUJITA, Kentaro NISHIDA, Hikaru SATO, Hideo TANAKA, Yoshinori Harada
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Patent number: 11926129Abstract: A prepreg laminate is provided which includes: a woven fabric prepreg on at least one surface layer; and a discontinuous fiber prepreg; the woven fabric prepreg including reinforcing fibers R1 having a woven structure, and a thermosetting resin A, the discontinuous fiber prepreg including unidirectionally oriented discontinuous reinforcing fibers R2 and a thermosetting resin B, the thermosetting resin A and the thermosetting resin B satisfying the following calorific value condition: calorific value condition: when each of the thermosetting resin A and the thermosetting resin B is heated using a differential scanning calorimeter from 50° C. to 130° C. at 700° C./min under a nitrogen atmosphere followed by retention at 130° C.Type: GrantFiled: July 3, 2018Date of Patent: March 12, 2024Assignee: Toray Industries, Inc.Inventors: Kentaro Adachi, Yuzo Fujita, Takuya Karaki
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Patent number: 11926111Abstract: Provided is a method for manufacturing a fiber-reinforced plastic composite containing a fiber-reinforced plastic part having a plate-like portion and a rib protruding from one surface of the plate-like portion, and a metal part, having an average thickness of 0.5-3.0 mm, laminated on part of or all of the plate-like portion of the fiber-reinforced plastic part, comprising: a lamination step for stacking a plurality of incised prepreg layers as a plurality of sheets of base material to form a base laminate, each prepreg layer containing unidirectionally oriented fibers and resin, and a plurality of incisions crossing the fibers, a base material heating step for heating the base laminate, and a molding step for integrating the base laminate and the metal part by pressing them between a rib molding member having a recessed portion for forming a rib and a skin molding member free of such a recessed portion in a pressing device.Type: GrantFiled: October 17, 2018Date of Patent: March 12, 2024Assignee: Toray Industries, Inc.Inventors: Yuzo Fujita, Takuya Karaki, Kentaro Adachi
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Patent number: 11916103Abstract: A new and useful p-type oxide semiconductor with a wide band gap and an enhanced electrical conductivity and the method of manufacturing the p-type oxide semiconductor are provided. A method of manufacturing a p-type oxide semiconductor including: generating atomized droplets by atomizing a raw material solution containing at least a d-block metal in the periodic table and a metal of Group 13 of the periodic table; carrying the atomized droplets onto a surface of a base by using a carrier gas; causing a thermal reaction of the atomized droplets adjacent to the surface of the base under an atmosphere of oxygen to form the p-type oxide semiconductor on the base.Type: GrantFiled: July 18, 2022Date of Patent: February 27, 2024Assignees: FLOSFIA INC., KYOTO UNIVERSITYInventors: Shizuo Fujita, Kentaro Kaneko, Toshimi Hitora, Tomochika Tanikawa
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Patent number: 9720301Abstract: The purpose of the present invention is to make it possible to output stable light by optimizing the wavelength conversion efficiency in a wavelength conversion element without employing an optical detection device such as a photo diode in a laser light source device. A fundamental light wave emitted from a semiconductor laser (2) is wavelength converted by a wavelength conversion element (5) and is emitted therefrom. A lighting circuit (20) supplies electric power for the aforementioned semiconductor laser (2) to turn on the semiconductor laser (2). A control unit (21) controls the operation of the device while controlling the amount of power supplied to a heater means (7) such that the wavelength conversion element (5) reaches a temperature at which optimum wavelength conversion efficiency is acquired.Type: GrantFiled: August 6, 2012Date of Patent: August 1, 2017Assignee: USHIO DENKI KABUSHIKI KAISHAInventors: Nobuhiko Sugihara, Kentaro Fujita, Takanori Samejima, Yoshihiro Horikawa
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Patent number: 9385505Abstract: The wavelength of fundamental wave light emitted from a semiconductor laser is converted by a wavelength conversion element, and the wavelength-converted light is emitted. A power supply circuit feeds electric power to the semiconductor laser. A control part controls an amount of electric power to be fed to a heater such that the wavelength conversion element becomes a temperature that optimizes the wavelength conversion efficiency. Temperatures detected by an element temperature detector and a light source part temperature detector are introduced to the control part, and the control part takes a wavelength conversion element temperature, at which a temperature detected by the light source part temperature detector is minimum, as a set temperature that makes the wavelength conversion efficiency optimal, and feedback-controls the wavelength conversion element temperature such that the wavelength conversion element temperature is at the set temperature by controlling the heating quantity of the heater.Type: GrantFiled: March 28, 2013Date of Patent: July 5, 2016Assignee: USHIO DENKI KABUSHIKI KAISHAInventors: Nobuhiko Sugihara, Kazuhiro Yoshida, Kentaro Fujita, Takanori Samejima
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Publication number: 20150078409Abstract: The wavelength of fundamental wave light emitted from a semiconductor laser is converted by a wavelength conversion element, and the wavelength-converted light is emitted. A power supply circuit feeds electric power to the semiconductor laser. A control part controls an amount of electric power to be fed to a heater such that the wavelength conversion element becomes a temperature that optimizes the wavelength conversion efficiency. Temperatures detected by an element temperature detector and a light source part temperature detector are introduced to the control part, and the control part takes a wavelength conversion element temperature, at which a temperature detected by the light source part temperature detector is minimum, as a set temperature that makes the wavelength conversion efficiency optimal, and feedback-controls the wavelength conversion element temperature such that the wavelength conversion element temperature is at the set temperature by controlling the heating quantity of the heater.Type: ApplicationFiled: March 28, 2013Publication date: March 19, 2015Applicant: USHIO DENKI KABUSHIKI KAISHAInventors: Nobuhiko Sugihara, Kazuhiro Yoshida, Kentaro Fujita, Takanori Samejima
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Publication number: 20140233090Abstract: The purpose of the present invention is to make it possible to output stable light by optimizing the wavelength conversion efficiency in a wavelength conversion element without employing an optical detection device such as a photo diode in a laser light source device. A fundamental light wave emitted from a semiconductor laser (2) is wavelength converted by a wavelength conversion element (5) and is emitted therefrom. A lighting circuit (20) supplies electric power for the aforementioned semiconductor laser (2) to turn on the semiconductor laser (2). A control unit (21) controls the operation of the device while controlling the amount of power supplied to a heater means (7) such that the wavelength conversion element (5) reaches a temperature at which optimum wavelength conversion efficiency is acquired.Type: ApplicationFiled: August 6, 2012Publication date: August 21, 2014Applicant: USHIO DENKI KABUSHIKI KAISHAInventors: Nobuhiko Sugihara, Kentaro Fujita, Takanori Samejima, Yoshihiro Horikawa
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Patent number: 7960923Abstract: A discharge lamp lighting apparatus includes a discharge container, a pair of electrodes and a power supply apparatus. An alternating current of a frequency, which is lower than stationary frequency, is inserted periodically into the alternating current of stationary frequency. When a lighting current value of the discharge lamp is smaller than a predetermined lower limit, the frequency is set as predetermined minimum frequency. When the lighting current value of a discharge lamp is larger than a predetermined maximum value, the frequency is set as predetermined maximum frequency. When a lighting current value of the discharge lamp is between the lower limit and the maximum value, the frequency is set as a selected frequency corresponding to the lighting current value. The selected frequency increases according to an increase of frequency change as a lighting current value increases.Type: GrantFiled: December 11, 2009Date of Patent: June 14, 2011Assignee: Ushio Denki Kabushiki KaishaInventors: Tomoyoshi Arimoto, Takashi Yamashita, Tetsuji Hirao, Tetsu Okamoto, Kentaro Fujita
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Publication number: 20100148686Abstract: A discharge lamp lighting apparatus includes a discharge container, a pair of electrodes and a power supply apparatus. An alternating current of a frequency, which is lower than stationary frequency, is inserted periodically into the alternating current of stationary frequency. When a lighting current value of the discharge lamp is smaller than a predetermined lower limit, the frequency is set as predetermined minimum frequency. When the lighting current value of a discharge lamp is larger than a predetermined maximum value, the frequency is set as predetermined maximum frequency. When a lighting current value of the discharge lamp is between the lower limit and the maximum value, the frequency is set as a selected frequency corresponding to the lighting current value. The selected frequency increases according to an increase of frequency change as a lighting current value increases.Type: ApplicationFiled: December 11, 2009Publication date: June 17, 2010Applicant: USHIO DENKI KABUSHIKI KAISHAInventors: Tomoyoshi Arimoto, Takashi Yamashita, Tetsuji Hirao, Tetsu Okamoto, Kentaro Fujita
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Patent number: 6673148Abstract: An apparatus and method is provided for manufacturing a semiconductor substrate such as web crystals. The apparatus includes a chamber and a growth hardware assembly housed within the chamber. A magnetic field system produces a vertical magnetic field within the chamber.Type: GrantFiled: September 5, 2002Date of Patent: January 6, 2004Assignee: Ebara Solar, Inc.Inventors: Hilton F. Glavish, Hideyuki Isozaki, Keiji Maishigi, Kentaro Fujita
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Patent number: 6669776Abstract: An apparatus and method is provided for manufacturing a semiconductor substrate such as web crystals. The apparatus includes a chamber and a growth hardware assembly housed within the chamber. A magnetic field system produces a vertical magnetic field within the chamber.Type: GrantFiled: August 2, 2002Date of Patent: December 30, 2003Assignee: Ebara Solar, Inc.Inventors: Hilton F. Glavish, Hideyuki Isozaki, Keiji Maishigi, Kentaro Fujita
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Patent number: 6663710Abstract: An apparatus and a method that permits a seed crystal to be directed to a precise location of a melt for growing a ribbon-shaped crystal, but after the crystal has commenced growing, the ribbon-shaped crystal is continuously pulled up so as to produce a longitudinally extending crystal using a continuous pulling device. The method for producing a ribbon-shaped crystal includes growing a ribbon-shaped crystal on a seed crystal using a linear pulling device for pulling the seed crystal and a crystal growing at the end of the seed crystal in a vertical direction, and continuing to pull the ribbon-shaped crystal by using a continuous pulling device having a continuous pulling mechanism.Type: GrantFiled: October 29, 2001Date of Patent: December 16, 2003Assignee: Ebara CorporationInventors: Kentaro Fujita, Kenji Terao, Hideyuki Isozaki, Iwao Satoh
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Patent number: 6638788Abstract: A solar cell is manufactured by bringing a front side of a semiconductor crystal substrate into contact with an electrolytic liquid containing a fluoride, placing an electrode in the electrolytic liquid, passing a current between the electrode and the semiconductor crystal substrate and applying light to the semiconductor crystal substrate to generate pairs of holes and electrons. Etching of the substrate proceeds by combining the holes with ions in the front side of the semiconductor crystal substrate which is held in contact with the electrolytic liquid, thereby forming at least one surface irregularity structure thereon.Type: GrantFiled: February 6, 2002Date of Patent: October 28, 2003Assignee: Ebara CorporationInventors: Makiko Emoto, Kentaro Fujita, Akio Shibata, Hiroshi Yokota
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Publication number: 20030097978Abstract: An apparatus and method is provided for manufacturing a semiconductor substrate such as web crystals. The apparatus includes a chamber and a growth hardware assembly housed within the chamber. A magnetic field system produces a vertical magnetic field within the chamber.Type: ApplicationFiled: September 5, 2002Publication date: May 29, 2003Inventors: Hilton F. Glavish, Hideyuki Isozaki, Keiji Maishigi, Kentaro Fujita
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Publication number: 20030010282Abstract: An apparatus and method is provided for manufacturing a semiconductor substrate such as web crystals. The apparatus includes a chamber and a growth hardware assembly housed within the chamber. A magnetic field system produces a vertical magnetic field within the chamber.Type: ApplicationFiled: August 2, 2002Publication date: January 16, 2003Inventors: Hilton F. Glavish, Hideyuki Isozaki, Keiji Maishigi, Kentaro Fujita
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Patent number: 6482261Abstract: An apparatus and method is provided for manufacturing a semiconductor substrate such as web crystals. The apparatus includes a chamber and a growth hardware assembly housed within the chamber. A magnetic field system produces a vertical magnetic field within the chamber.Type: GrantFiled: December 29, 2000Date of Patent: November 19, 2002Assignee: Ebara Solar, Inc.Inventors: Hilton F. Glavish, Hideyuki Isozaki, Keiji Maishigi, Kentaro Fujita
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Publication number: 20020121237Abstract: An apparatus and method is provided for manufacturing a semiconductor substrate such as web crystals. The apparatus includes a chamber and a growth hardware assembly housed within the chamber. A magnetic field system produces a vertical magnetic field within the chamber.Type: ApplicationFiled: December 29, 2000Publication date: September 5, 2002Inventors: Hilton F. Glavish, Hideyuki Isozaki, Keiji Maishigi, Kentaro Fujita