Patents by Inventor Naoki Fujii

Naoki 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).

  • Patent number: 12076585
    Abstract: A treatment planning system that generates treatment planning for irradiating a target with a particle beam, includes an arithmetic processing device that sets at least two or more irradiation patterns for one treatment planning, calculates a plurality of predicted dose distributions for each irradiation pattern based on a target dose set for each region for at least one region including a region of the target, and calculates an index for evaluating validity of the irradiation pattern based on the plurality of predicted dose distributions.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: September 3, 2024
    Assignee: HITACHI, LTD.
    Inventors: Taisuke Takayanagi, Takahiro Yamada, Yusuke Fujii, Toru Umekawa, Hiroki Shirato, Shinichi Shimizu, Taeko Matsuura, Naoki Miyamoto, Seishin Takao, Yuichi Hirata, Sodai Tanaka
  • Publication number: 20240283300
    Abstract: To provide an antenna device capable of suppressing the spread of a reflected portion of a transmitted power signal to allow for reductions in an effect of interference on any other device that may exist around a given position.
    Type: Application
    Filed: March 25, 2022
    Publication date: August 22, 2024
    Inventors: Masaaki FUJII, Naoki TSUJI
  • Publication number: 20240266598
    Abstract: The sulfide solid electrolyte of the present invention includes: an argyrodite crystal phase including Li, P, S, and Ha, in which the Ha is one or more halogen elements including at least Cl, a content ratio represented by [Ha]/[P] (atomic ratio) is 1.3 or more, where [P] is a content of the P and [Ha] is a total content of the Ha, and in a 35Cl-NMR spectrum, an area intensity ratio represented by SB/SA is 3.5 or more, where SA is an area intensity of a peak observed at 0 ppm to 30 ppm and SB is an area intensity of a peak observed at ?150 ppm to 0 ppm, or a peak is observed at ?150 ppm to 0 ppm and no peak is observed at 0 ppm to 30 ppm.
    Type: Application
    Filed: March 28, 2024
    Publication date: August 8, 2024
    Applicant: AGC Inc.
    Inventors: Naoki FUJII, Naoki MAEDA, Osamu HOMMA, Kosho AKATSUKA
  • Publication number: 20240266596
    Abstract: A sulfide solid electrolyte includes: a crystal phase and an anion, in which the phase includes an argyrodite crystal including Li, P, S, and Ha, the Ha is at least one element selected from F, Cl, Br, and I, the anion includes an oxide anion having a P—O bond, at least a part of the oxide anion is different from an anion constituting the argyrodite crystal and constitutes a polyanionic structure, when an entire composition of the electrolyte is LiaMSbHacOx, certain relationships are satisfied, the M is at least one element selected from a metal element and a metalloid element in groups 2 to 15 of a periodic table, the at least one element including P, and 60% or more of a total content of O is bonded to the M.
    Type: Application
    Filed: March 26, 2024
    Publication date: August 8, 2024
    Applicant: AGC Inc.
    Inventors: Riku KITAMURA, Naoki FUJII
  • Publication number: 20240266599
    Abstract: The present invention relates to a sulfide solid electrolyte powder to be used for a lithium-ion secondary battery, and the sulfide solid electrolyte powder includes: at least one of a crystal phase including Li, P, and S, and an amorphous phase including Li, P, and S, in which a 1H-NMR intensity is 0.3 or more, and a BET specific surface area (m2/g) and the 1H-NMR intensity satisfy a relationship of 2?(BET specific surface area×1H-NMR intensity).
    Type: Application
    Filed: March 28, 2024
    Publication date: August 8, 2024
    Applicant: AGC Inc.
    Inventors: Naoki FUJII, Osamu HOMMA, Naoki MAEDA
  • Patent number: 12053864
    Abstract: An electric tool system includes a motor, a control unit, and an output shaft. The motor includes a stator and a rotor. The control unit performs vector control on the motor. The control unit includes a first acquisition unit, a second acquisition unit, and a command value generation unit. The command value generation unit calculates, based on a torque current acquisition value (current measured value) as a value related to a torque current as acquired by the first acquisition unit and an acceleration acquisition value as a value related to acceleration of the rotor as acquired by the second acquisition unit, at least one of a command value of the torque current to be supplied to the motor or a command value of an excitation current to be supplied to the motor.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: August 6, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Itaru Murui, Shota Fujii, Keita Okamoto, Naoki Tsujimoto, Kota Kitamura, Kotaro Momoeda
  • Patent number: 12046710
    Abstract: A lithium ion secondary battery that can operate in a high-temperature environment of 85° C. The lithium ion secondary battery includes a positive electrode active material that can store and release lithium ions Li?, a positive electrode binder that binds the positive electrode active material, a negative electrode active material that can store and release lithium ions Li+, a negative electrode binder that binds the negative electrode active material, and an electrolytic solution containing an organic solvent and an imide-based lithium salt. The negative electrode active material is previously doped with lithium ions. The positive electrode binder has a Hansen solubility parameter-based relative energy difference (RED) value of more than 1 with respect to the electrolytic solution.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: July 23, 2024
    Assignee: JTEKT CORPORATION
    Inventors: Yukihiro Komatsubara, Takumi Mio, Kentaro Iizuka, Takafumi Fujii, Koji Nishi, Naoki Ohmi, Yusuke Kimoto
  • Publication number: 20240239655
    Abstract: An object of the present invention is to provide a deuterium recovery method and deuterium recovery equipment that can recover and reuse deuterium or deuterium compounds used in semiconductor manufacturing processes. The present invention provides a deuterium recovery method including: generating heavy water in an exhaust gas containing deuterium gas in a semiconductor manufacturing process.
    Type: Application
    Filed: July 14, 2022
    Publication date: July 18, 2024
    Inventors: Naoki KOMURA, Atsuhiro FUJII
  • Publication number: 20240234809
    Abstract: The present invention relates to a sulfide solid electrolyte to be used for a lithium-ion secondary battery. The sulfide solid electrolyte contains: an argyrodite crystal containing Li, P, S, and Ha (F, Cl, Br, and I). Relationships of {(1/?(S))×[S2-]0+(1/?(O))×[O2-]0+(1/?(Br))×[Br?]0+(1/?(Cl))×[Cl?]0+(1/?(F))×[F?]0}?0.33 and [S2-]0+[O2-]0+[Br?]0+[Cl?]0+[F?]0=1 are satisfied, where [S2-]0, [O2-]0, [Br?]0, [Cl?]0, and [F?]0 are surface anion contents, and ? is an electronegativity thereof.
    Type: Application
    Filed: March 27, 2024
    Publication date: July 11, 2024
    Applicant: AGC Inc.
    Inventors: Naoki FUJII, Riku KITAMURA, Jinsuke MIYAKE, Kosho AKATSUKA
  • Publication number: 20240234807
    Abstract: The present invention relates to a method for producing a sulfide solid electrolyte, the method including: dry-pulverizing a sulfide solid electrolyte material in an atmosphere with a dew point of ?70° C. or higher and ?30° C. or lower to produce a sulfide solid electrolyte powder. An oxygen concentration in the atmosphere may be 0.1 ppm or more and less than 5%.
    Type: Application
    Filed: March 26, 2024
    Publication date: July 11, 2024
    Applicant: AGC Inc.
    Inventors: Norifumi OMORI, Naoki FUJII
  • Publication number: 20240234805
    Abstract: The present invention relates to a sulfide solid electrolyte to be used for a lithium-ion secondary battery, the sulfide solid electrolyte including: an argyrodite crystal including Li, P, S, and Ha, in which the Ha represents at least one element selected from the group consisting of F, Cl, Br, and I, and the Ha includes at least one of Cl and Br, the argyrodite crystal satisfies at least one of requirements (A) and (B), and in the argyrodite crystal, relationships of {(1/?(S))×[S2?]+(1/?(O))×[O2?]+(1/?(Br))×[Br?]+(1/?(Cl))×[Cl?]+(1/?(F))×[F?]}?0.36 and [S2?]+[O2?]+[Br?]+[Cl?]+[F?]=1 are satisfied.
    Type: Application
    Filed: March 26, 2024
    Publication date: July 11, 2024
    Applicant: AGC Inc.
    Inventors: Naoki FUJII, Riku KITAMURA, Jinsuke MIYAKE, Makiko INABA
  • Publication number: 20240055653
    Abstract: The present invention relates to a sulfide solid electrolyte to be used in a lithium-ion secondary battery, including an argyrodite crystal structure including Li, P, S, and Ha, in which Ha is at least one selected from the group consisting of F, Cl, Br, and I, the sulfide solid electrolyte has a peak in at least one selected from the group consisting of 140 cm?1 to 170 cm?1, 205 cm?1 to 235 cm?1, and 460 cm?1 to 490 cm?1 in a Raman spectrum obtained by Raman spectroscopy measurement, and the sulfide solid electrolyte does not have an endothermic peak within a range of 70° C. to 160° C. in a DSC curve obtained by differential scanning calorimetry.
    Type: Application
    Filed: April 27, 2023
    Publication date: February 15, 2024
    Applicant: AGC INC.
    Inventors: Naoki FUJII, Manabu NISHIZAWA, Hideaki HAYASHI
  • Publication number: 20230246227
    Abstract: A sulfide solid electrolyte to be use in a lithium-ion secondary battery includes an argyrodite crystal structure represented by LiaPSbHac (where 5?a?7, 4?b?6, and 0<c?2, and Ha represents a halogen element), in which in an X-ray diffraction spectrum using a Cu-K? ray, the argyrodite crystal structure has a peak A and a peak B, each having a full width at half maximum of 0.07° or more, within a range of 2?=30.3°±0.5°, and a difference between diffraction angles (2?) of the peak A and the peak B is 0.05° or more.
    Type: Application
    Filed: April 10, 2023
    Publication date: August 3, 2023
    Applicant: AGC Inc.
    Inventors: Naoki FUJII, Kosho AKATSUKA, Manabu NISHIZAWA, Hideaki HAYASHI
  • Publication number: 20230198013
    Abstract: A sulfide solid electrolyte to be used in a lithium-ion secondary battery, including an argyrodite crystal, in which the crystal is represented by a composition formula Lia—M—Zb—Hac; M is at least one element selected from Na, K, and elements each of which exists as any of divalent to pentavalent cations in the crystal; Z is at least one element selected from elements that exists as a divalent anion in the crystal; Z includes S; Ha is at least one element selected from the group consisting of F, Cl, Br, and I; a, b, and c in the composition formula indicate a ratio among contents (unit: at%) of the respective elements and satisfy 5 < a < 7, 4 < b < 6, and 0 < c < 2; and a maximum distance between Li ions in the crystal is 2.54 ? or shorter.
    Type: Application
    Filed: January 6, 2023
    Publication date: June 22, 2023
    Applicant: AGC Inc.
    Inventors: Kosho AKATSUKA, Naoki FUJII, Tetsushi SHOBUDANI, Manabu NISHIZAWA, Hiroaki TANAKA, Shinji TERAZONO, Hideaki HAYASHI
  • Publication number: 20230178799
    Abstract: A manufacturing method of a sulfide solid electrolyte, includes: heat-treating a starting material containing a lithium element, a sulfur element, and a phosphorous element to obtain an intermediate; and heating and melting the intermediate in an atmosphere of a gas comprising a sulfur element. In the heat treatment, the starting material may be heated at a temperature in a range of 250° C. to 500° C.
    Type: Application
    Filed: January 26, 2023
    Publication date: June 8, 2023
    Applicant: AGC Inc.
    Inventors: Naoki FUJII, Hiroaki TANAKA, Shinji TERAZONO, Hideaki HAYASHI
  • Publication number: 20230084957
    Abstract: An optical distance measurement device for a vehicle includes a sensor unit that is capable of measuring a distance to an object present in a predetermined detection region, the detection region including a first area for detecting a distance to an unknown object and one or more second area for detecting a distance to a known reference object, a storage unit that stores a reference distance, which is a previously measured distance to the reference object, and an output unit that performs predetermined output if the distance to the reference object detected in the second area by the sensor unit differs from the reference distance.
    Type: Application
    Filed: November 17, 2022
    Publication date: March 16, 2023
    Inventor: Naoki FUJII
  • Publication number: 20230010027
    Abstract: A measurement device unit mountable and usable on a vehicle includes a distance measurement device that is arranged on a roof of the vehicle to detect a reflection wave corresponding to an emitted detection wave to detect a distance to an object present in a detection region, and a deflection device that is arranged on at least one of a front end portion and a rear end portion of the vehicle in the detection region to deflect a traveling direction of the detection wave toward a region outside of the detection region including a blind region of the vehicle.
    Type: Application
    Filed: September 14, 2022
    Publication date: January 12, 2023
    Inventor: Naoki FUJII
  • Patent number: 11010033
    Abstract: A display control apparatus includes a display control unit that controls a display of a condition setting screen for setting a condition for a device on a screen, wherein the display control unit displays a list screen in which setting items for conditions for a device are grouped and displays, according to an instruction, an item plate overlapping the list screen, in which one or more setting items in the list screen are displayed.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: May 18, 2021
    Assignee: Olympus Corporation
    Inventors: Kensei Ito, Naoki Fujii
  • Patent number: 10823964
    Abstract: A work assistance apparatus includes: a display panel configured to form a virtual display area within a field of view of a user; a camera configured to pick up an image in front of the user and output a picked-up image; and a processor configured to move at least one display component for operation within a display image in the virtual display area when a finger of the user alternately moves in a frontward direction and a backward direction of the user within the picked-up image.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: November 3, 2020
    Assignee: Olympus Corporation
    Inventors: Kanako Inoue, Daisuke Tainaka, Tatsuyuki Uemura, Naoki Fujii, Kazuhiko Osa, Osamu Nonaka
  • Publication number: 20190244750
    Abstract: A coil component is provided with a coil part in which a plurality of conductor layers and a plurality of interlayer insulating layers are alternately laminated; and a sealing resin layer that covers the coil part. The conductor layers each include a spiral pattern. The interlayer insulating layers each cover an upper surface and a side surface of the spiral pattern. The recessed part is formed in the side wall surface of the interlayer insulating layer. A part of the sealing resin layer is embedded in the recessed part.
    Type: Application
    Filed: February 1, 2019
    Publication date: August 8, 2019
    Applicant: TDK Corporation
    Inventors: Masanori SUZUKI, Manabu Yamatani, Takuya Takeuchi, Ikuya Kokubo, Tomonaga Nishikawa, Naoki Fujii, Nobuya Takahashi