Patents by Inventor Kenta FUJII

Kenta FUJII 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: 20220361534
    Abstract: The bundled pastas (1) according to the present invention comprise a plurality of dry spaghetti lines (11) each having a diameter of 1.0-3.0 mm inclusive and a length of 12-20 cm inclusive and at least one bundling band (12) with which the plurality of dry spaghetti lines (11) are bundled, wherein the total mass of the plurality of dry spaghetti lines (11) bundled with the at least one bundling band (12) is 50-150 g inclusive.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 17, 2022
    Inventors: Tomoyuki FUJII, Yuki SAKURAMA, Kenta ASAHINA, Taro ASAMURA
  • Publication number: 20220282782
    Abstract: A lubrication device for a helicopter including: an oil sump in which oil for lubrication is retained; a lubrication pump configured to suck the oil from the oil sump to discharge the oil; and a lubrication passage extending from the lubrication pump to a first lubrication target. The lubrication passage includes: a first supply port that supplies the oil to the first lubrication target; an oil reservoir provided upstream of the first supply port; and an opening provided upstream of the oil reservoir and above the oil reservoir. The first supply port is formed right above the first lubrication target.
    Type: Application
    Filed: May 25, 2022
    Publication date: September 8, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Isao FUJII, Yuji Yamazaki, Masatoshi Matsumoto, Kenta Ogasawara
  • Publication number: 20220277882
    Abstract: A core cooling structure includes a core and a housing. The core includes an upper core and a lower core. The core is attached to the housing. The upper core includes a heat dissipation fin that extends along a magnetic path and is disposed at an interval in a direction intersecting the magnetic path. The lower core is attached so as to be fitted into the housing.
    Type: Application
    Filed: July 22, 2020
    Publication date: September 1, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshikazu TSUNODA, Takashi KUMAGAI, Kenta FUJII, Tomohito FUKUDA
  • Publication number: 20220264769
    Abstract: A power converter includes a cooler, a housing, a cooling plate, an insulating heat dissipation member, and a circuit board. The housing includes a bottom, a sidewall, and an internal space. The bottom is connected to the cooler. The cooling plate is connected to the bottom so as to stand upright with respect to the bottom. The insulating heat dissipation member is disposed on the cooling plate. The circuit board is connected to the cooling plate with the insulating heat dissipation member interposed therebetween. The cooling plate, the insulating heat dissipation member, and the circuit board are accommodated in the internal space of the housing. The cooling plate is disposed with a gap from the sidewall.
    Type: Application
    Filed: August 26, 2020
    Publication date: August 18, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yu KISHIWADA, Koji NAKAJIMA, Taro KIMURA, Kenichi TAMURA, Yoshikazu NOZUKI, Masaya NONOMURA, Kenta FUJII
  • Patent number: 11409025
    Abstract: Provided is a functional polyamide sheet in which air bubbles are not generated or are reduced in a polarizing and/or photochromic functional sheet when the polarizing and/or photochromic functional sheet are/is manufactured using a sheet or film formed by a polyamide resin as a protective layer, and a functional polyamide lens using the functional polyamide sheet. Provided are a polyamide functional sheet obtained by disposing a protective layer formed by a transparent plastic sheet or film on at least one surface of a functional layer, which is a polyvinyl alcohol-based polarizing film layer, a photochromic layer, or a combination of these layers, with an adhesive layer being interposed therebetween, in which the protective layer is a sheet or film formed by a polyamide resin, and an oxygen transmission rate at 23° C. and 85% RH is 50 cm3/m2·24 hr·bar or more, and a functional polyamide lens using the polyamide functional sheet.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: August 9, 2022
    Assignees: MITSUBISHI GAS CHEMICAL COMPANY, INC., MGC FILSHEET CO., LTD.
    Inventors: Hideaki Kimura, Masayuki Akaki, Kenta Nonaka, Takashi Fujii, Katsuyuki Murai, Shotaro Ohno
  • Publication number: 20220246347
    Abstract: A laminated coil includes planar coils and a first insulating member. The planar coils are arranged in a first direction intersecting a first surface. The first insulating member is in a film form and arranged between a pair of planar coils adjacent to each other in the first direction. At least one of the planar coils is wound to have a plurality of turns spaced apart from each other in a second direction along the first surface. A second insulating member is arranged between the turns adjacent to each other in the second direction of at least one of the planar coils.
    Type: Application
    Filed: August 5, 2020
    Publication date: August 4, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kenta FUJII, Takashi KUMAGAI, Tomohito FUKUDA, Shoichiro NISHIZAWA, Koshin UOMOTO
  • Publication number: 20220226935
    Abstract: A laser machining system according to the present invention includes a laser machining tool, a detection unit that detects a machining state of the laser machining tool, a test machining condition generation unit that generates a machining condition including at least one control parameter settable to the laser machining tool, a machining determination unit that determines quality of machining based on the machining state detected by the detection unit, a candidate condition generation unit that generates a candidate condition, which is a candidate for a machining condition to be set to the laser machining tool, based on a determination result from the machining determination unit and on a machining condition corresponding to the determination result, and a tolerance check unit that causes check machining to be performed for checking a machining tolerance using the candidate condition, where the machining tolerance indicates robustness of the candidate condition.
    Type: Application
    Filed: June 28, 2019
    Publication date: July 21, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Motoaki NISHIWAKI, Kenta FUJII, Kyohei ISHIKAWA, Masaki SEGUCHI, Hideyuki MASUI
  • Publication number: 20220215997
    Abstract: A power conversion device includes an electronic component, a first printed board, a first cooling body, a second printed board, a second cooling body, a third printed board, and a third cooling body. The second cooling body extends from a second principal surface toward a first principal surface of the first printed board. The third cooling body extends from a second principal surface toward the first principal surface of the first printed board.
    Type: Application
    Filed: May 20, 2020
    Publication date: July 7, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroyuki KIYONAGA, Kenta FUJII, Yuji SHIRAKATA, Tomohito FUKUDA
  • Publication number: 20220208499
    Abstract: To provide a power converter and a breaking mechanism which can break a DC current and can suppress that a fused material scatter to other circuits at fusing, in the case the breaking mechanism of excess current is formed by a circuit pattern of a circuit board. A breaking mechanism is formed by a multilayer circuit board, and is provided with one or two fuse patterns which fuse when excessive current flows, and a scattering prevention pattern, wherein the one or two fuse patterns are provided in an inner layer, and wherein the scattering prevention pattern is provided in a layer different from the one or the two fuse patterns, and overlaps with at least a part of a fusing part of each of the one or two fuse patterns, viewing in a normal direction of a circuit board face.
    Type: Application
    Filed: October 18, 2021
    Publication date: June 30, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Katsushi NAKADA, Shingo TAKABUCHI, Kenta FUJII
  • Patent number: 11373832
    Abstract: There is provided an electric-power conversion apparatus in which smoke emission, a burnout, and short-circuiting between a melted material and a peripheral member can be suppressed even when a fuse portion is melted by an excessive current. An electric-power conversion apparatus includes an electric power semiconductor device, an electrode wiring member, a case, a fuse portion formed in the electrode wiring member, a fuse resin member disposed between the fuse portion and the case, and a sealing resin member that seals the electric power semiconductor device, the electrode wiring member, the fuse portion, and the fuse resin member in the case.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: June 28, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kenta Fujii, Yuji Shirakata, Masahiro Ueno, Tomoaki Shimano
  • Patent number: 11350517
    Abstract: A circuit device capable of significantly improving heat dissipation performance of a printed circuit board without increasing the size includes a printed circuit board, a mounted component, a non-solid metal spacer, a cooler, and a resin layer. The mounted component is at least partially disposed on at least one main surface of printed circuit board. The non-solid metal spacer is disposed at least on one main surface of the printed circuit board. The cooler is disposed at the non-solid metal spacer on the opposite side to the printed circuit board. The resin layer is disposed between the non-solid metal spacer and the cooler. The non-solid metal spacer has a shape that allows at least one hollow portion to be formed between the printed circuit board and the cooler.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: May 31, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroyuki Yahara, Kenta Fujii, Yuji Shirakata, Tomohito Fukuda, Takashi Kumagai, Koji Nakajima
  • Publication number: 20220107629
    Abstract: A machining condition search device according to the disclosure includes a machining condition generation unit, a practical machining command unit, a machining evaluation unit, a prediction unit, an optimum machining condition calculation unit. The machining condition generation unit generates a machining condition defined by one or more control parameters settable on a machining apparatus. The practical machining command unit causes the machining apparatus to perform machining based on a generated machining condition. The machining evaluation unit generates an evaluation value of performed machining, on the basis of information indicating a machining result of the performed machining. The prediction unit predicts an evaluation value corresponding to a machining condition under which machining is not performed, on the basis of the evaluation value and the machining condition corresponding to the evaluation value.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hideyuki MASUI, Motoaki NISHIWAKI, Kenta FUJII, Kyohei ISHIKAWA, Masaki SEGUCHI
  • Publication number: 20220108825
    Abstract: A coil device includes: a core having a first surface and a second surface located opposite to the first surface; a coil member including a first portion and a second portion that are spaced apart from each other in a first direction along the first surface; and a support portion in contact with the first surface and the second surface to support the core. The core includes a middle leg sandwiched between the first portion and the second portion in the first direction. The core is provided with a first slit as a first recessed portion recessed relative to the first surface and reaching the middle leg. The support portion includes a first protruding portion disposed inside the first slit and in contact with the middle leg.
    Type: Application
    Filed: March 4, 2020
    Publication date: April 7, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kazuya YAMAMOTO, Kenta FUJII, Tomohito FUKUDA, Takashi KUMAGAI
  • Publication number: 20220102060
    Abstract: In a coil device of a power conversion device, a laminated coil includes planar coils laminated on a surface of a support. A plurality of cores are spaced apart from each other and aligned in a longitudinal direction of the planar coils, and each core includes a portion around which the laminated coil is wound on the surface of the support. A first protruding member (is arranged between a pair of cores adjacent to each other with respect to a longitudinal direction and is fixed to the support. A first fixing member is arranged above the first protruding member. The laminated coil is sandwiched and fixed between the first fixing member and the first protruding member such that a first surface is in contact with the first protruding member and a second surface is in contact with the first fixing member.
    Type: Application
    Filed: March 6, 2020
    Publication date: March 31, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kenta FUJII, Takashi KUMAGAI, Tomohito FUKUDA
  • Patent number: 11239021
    Abstract: An isolated converter reduced in size compared with a conventional isolated converter and having a high heat dissipation characteristic is provided. The isolated converter includes a multilayer substrate having a first through hole and a magnetic core partially passing through the first through hole. The multilayer substrate includes a first conductor pattern formed at a position overlapping the magnetic core on a second surface when viewed from a direction orthogonal to a first surface, a second conductor pattern formed between the first surface and the second surface at a position overlapping the magnetic core and the first conductor pattern when viewed from the direction orthogonal to the first surface, at least one thermal conductive member formed on the first conductor pattern and having a portion disposed between the multilayer substrate and the magnetic core, and an electric insulating layer electrically insulating the first conductor pattern from the second conductor pattern.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: February 1, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Koji Nakajima, Shota Sato, Yuji Shirakata, Kenta Fujii, Jun Tahara
  • Patent number: 11049682
    Abstract: There is provided an electric-power conversion apparatus in which smoke emission, a burnout, and short-circuiting can be suppressed even when a fuse portion is melted by an excessive current and in which it is made possible that heat generated in the fuse portion is less likely to be transferred to the electric power semiconductor device. The electric-power conversion apparatus includes a fuse portion formed in an electrode wiring member, a fuse resin member that covers the fuse portion, and a sealing resin member that seals an electric power semiconductor device and the fuse portion in a case.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: June 29, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuji Shirakata, Kenta Fujii, Masahiro Ueno, Tomoaki Shimano
  • Patent number: 11049640
    Abstract: A circuit device and a power converter include a core, a coil surrounding at least a part of the core, and a first heat transfer member being in surface contact with the core. A temperature rise of the core can thus be prevented or reduced.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: June 29, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kenta Fujii, Koji Nakajima, Yuji Shirakata, Jun Tahara, Takashi Kumagai
  • Publication number: 20210185817
    Abstract: A circuit device includes a core, a first circuit board, a second circuit board, a heat dissipation member, a first heat transfer member, and a second heat transfer member. The first circuit board includes a first coil pattern surrounding at least a part of the core. The second circuit board includes a second coil pattern surrounding at least a part of the core. The first heat transfer member is in surface contact with the first circuit board and the heat dissipation member. The second heat transfer member is in surface contact with the first circuit board and the second circuit board.
    Type: Application
    Filed: July 11, 2019
    Publication date: June 17, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kenta FUJII, Takashi KUMAGAI, Tomohito FUKUDA, Takashi HIRATSUKA, Koichi AOKI
  • Publication number: 20210162544
    Abstract: A laser processing apparatus includes a laser oscillator; a processing head; a driver that controls a relative positional relationship between a workpiece and the processing head; control circuitry that controls the laser oscillator and the driver in order for the laser beam to scan a processing path on the workpiece; detection circuitry that observes a state of the workpiece being processed and outputs a result of observation as a time series signal; processed state observation circuitry that obtains evaluation information including a determination result that indicates whether a processed state of the workpiece is satisfactory or defective by evaluating the processed state of the workpiece on the basis of the time series signal for each of a plurality of sections obtained by dividing the processing path; and estimation circuitry that estimates a cause of a defect on the basis of the evaluation information of two or more of the sections.
    Type: Application
    Filed: April 26, 2019
    Publication date: June 3, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kenta FUJII, Motoaki NISHIWAKI, Nobuaki TANAKA, Masaki SEGUCHI, Kyohei ISHIKAWA
  • Publication number: 20210126513
    Abstract: Obtained is a power conversion device including a small-sized and low-cost fuse portion which allows overcurrent to be assuredly interrupted when being applied and allows a semiconductor element to be protected from a short-circuit fault or the like. The power conversion device includes: a circuit board; a semiconductor element mounted on the circuit board; a snubber capacitor; a snubber circuit wire which connects the snubber capacitor in parallel to the semiconductor element; and a fuse portion formed at a part of the snubber circuit wire.
    Type: Application
    Filed: May 26, 2020
    Publication date: April 29, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yuji SHIRAKATA, Yosuke UNO, Daisuke SASAKI, Kenta FUJII