Patents by Inventor Tetsuji Fujita

Tetsuji 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).

  • Patent number: 11971427
    Abstract: Provided is an automated analysis device capable of a more accurate determination of the sizes of bubbles included in a liquid. The automated analysis device includes a detection unit which detects bubbles included in a liquid, an internal standard solution syringe which executes a first liquid supply operation in which a liquid is supplied via the detection unit, a diluent syringe, a sipper syringe, solenoid valves, and a control device which determines whether the size of the bubbles detected during the first liquid supply operation is normal or not based on the operation speed of the liquid supply unit, and controls the operation of the liquid supply unit according to the determination.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: April 30, 2024
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Akinao Fujita, Takushi Miyakawa, Tetsuji Kawahara
  • Patent number: 11947249
    Abstract: A light emitting apparatus according to the present disclosure includes a first layer made of a semiconductor monocrystal, a second layer provided at the first layer and having a crystal orientation not continuous with the crystal orientation of the first layer, and a columnar crystal structure including a light emitting layer and extending from the second layer.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: April 2, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takafumi Noda, Hideki Hahiro, Tetsuji Fujita, Atsushi Ito, Koichiro Akasaka, Yasutaka Imai, Michifumi Nagawa
  • Patent number: 11933803
    Abstract: Provided is an automated analysis device capable of a more accurate determination of the sizes of bubbles included in a liquid. The automated analysis device includes a detection unit which detects bubbles included in a liquid, an internal standard solution syringe which executes a first liquid supply operation in which a liquid is supplied via the detection unit, a diluent syringe, a sipper syringe, solenoid valves, and a control device which determines whether the size of the bubbles detected during the first liquid supply operation is normal or not based on the operation speed of the liquid supply unit, and controls the operation of the liquid supply unit according to the determination.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: March 19, 2024
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Akinao Fujita, Takushi Miyakawa, Tetsuji Kawahara
  • Publication number: 20240010412
    Abstract: A buffer material is formed by assembling four buffer members containing cellulose fibers and having a plate shape, in which the cellulose fibers are oriented along a main surface of the buffer member, a first buffer member and a third buffer member among the four buffer members are spaced apart from each other and have the respective main surfaces disposed along each other, and a second buffer member and a fourth buffer member are spaced apart from each other and have the respective main surfaces disposed along each other, a rectangular frame shape is shown when viewed in a plan view from a direction along a Z axis, and an article is stored in a region surrounded by the four buffer members in the plan view.
    Type: Application
    Filed: July 6, 2023
    Publication date: January 11, 2024
    Inventors: Tomoaki NAKAMURA, Tetsuji FUJITA, Jun TAKIZAWA, Hisashi KOIKE
  • Publication number: 20240010413
    Abstract: A buffer material includes four buffer members containing cellulose fibers and having rectangular plate shapes similar to each other, in which the cellulose fibers are oriented along a main surface of the buffer member, at least two buffer members among the four buffer members have two recess portions on one specific side, the buffer material is assembled by inserting the other buffer members into the recess portions of the buffer members, two buffer members among the four buffer members are spaced apart from each other and each have the main surfaces disposed along a YZ plane, and the other two buffer members are spaced apart from each other and each have the main surfaces disposed along an XZ plane, and an article is stored in a region surrounded by the four buffer members in the plan view.
    Type: Application
    Filed: July 6, 2023
    Publication date: January 11, 2024
    Inventors: Tomoaki NAKAMURA, Tetsuji FUJITA, Jun TAKIZAWA, Hisashi KOIKE
  • Patent number: 11828182
    Abstract: A method for producing an integrally bladed rotor includes providing imaginary front and rear lattice points on the ridges of the front and rear edges; providing a first imaginary line on positive-pressure and negative-pressure surfaces to connect a first imaginary front lattice point and a first imaginary rear lattice point; providing a second imaginary line on the positive-pressure and negative-pressure surfaces to connect a second imaginary front lattice point next to the first imaginary front lattice point and a second imaginary rear lattice point next to the first imaginary rear lattice point; providing a spiral path on the positive-pressure and negative-pressure surfaces by connecting the first and second imaginary lines with a spiral curve; and cutting the positive-pressure and negative-pressure surfaces by moving a cutting point corresponding to a cutting edge of a turning tool along the spiral path. point around the blade.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: November 28, 2023
    Assignee: YAMAZAKI MAZAK CORPORATION
    Inventors: Yukihide Harada, Tetsuji Fujita
  • Publication number: 20230150231
    Abstract: A buffer material is a material including a buffer sheet that contains cellulose fibers and a binding material binding the cellulose fibers and has a sheet shape, and a nonwoven fabric sheet that is provided on at least one surface side of the buffer sheet and is formed of nonwoven fabric. Further, a thickness T2 of the nonwoven fabric sheet is 5% or greater and 90% or less of a thickness Tl of the buffer sheet. Further, a basis weight of fibers in the nonwoven fabric sheet is less than a basis weight of the cellulose fibers in the buffer sheet.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 18, 2023
    Inventors: Jun TAKIZAWA, Tetsuji FUJITA, Tomoaki NAKAMURA, Hisashi KOIKE
  • Publication number: 20230147271
    Abstract: A buffer material of the present disclosure is a buffer material including a buffer sheet that contains cellulose fibers and a binding material binding the cellulose fibers and has a sheet shape, in which the buffer sheet has a plurality of first projections that protrude toward at least one surface side and are provided in a lattice shape. Further, it is preferable that the buffer sheet further have a plurality of second projections having a projection amount that is greater than a projection amount of the first projections.
    Type: Application
    Filed: November 7, 2022
    Publication date: May 11, 2023
    Inventors: Jun TAKIZAWA, Tetsuji FUJITA, Tomoaki NAKAMURA, Hisashi KOIKE
  • Publication number: 20230122259
    Abstract: An advertisement print method includes an advertisement information obtaining step of obtaining, by an advertisement processing apparatus, advertisement information input by an input apparatus, a transaction data selection step of selecting, by the advertisement processing apparatus, N transaction data associated with the advertisement information from a plurality of transaction data stored in an e-commerce database based on the advertisement information and orderer information and receiver information stored in the e-commerce database, N being an integer not less than 1, and a print step of printing, by a print apparatus, an advertisement based on the advertisement information on packing materials of N products specified by the N selected transaction data.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 20, 2023
    Inventors: Tetsuji FUJITA, Hisashi KOIKE, Satoru YANAGI, Tokuro MIYANISHI, Jun TAKIZAWA, Tomoaki NAKAMURA, Akio ITO, Toshiaki MIKOSHIBA
  • Publication number: 20230098764
    Abstract: A packaging machine includes a first supplying unit, a second supplying unit, a placing mechanism, a moving mechanism, a guide member, and a joining mechanism. The first supplying unit supplies a first packaging material. The second supplying unit supplies a second packaging material. The placing mechanism places an object to be packaged on the first packaging material supplied by the first supplying unit. The moving mechanism moves the first packaging material, with the object to be packaged placed on the first packaging material, in a direction along a first axis. The guide member guides the second packaging material onto the object to be packaged. The joining mechanism joins the first packaging material and the second packaging material together. The object to be packaged is packaged using the first packaging material and the second packaging material.
    Type: Application
    Filed: September 28, 2022
    Publication date: March 30, 2023
    Inventors: Hisashi KOIKE, Satoru YANAGI, Shigeo FUJITA, Tetsuji FUJITA
  • Publication number: 20230037691
    Abstract: A buffer material of the present disclosure is a material including cellulose fibers and a binding material that binds the cellulose fibers, in which the binding material is a natural component and a proportion of the binding material in the buffer material is 10.0% by mass or greater and 30.0% by mass or less. It is preferable that the buffer material of the present disclosure have a thickness of 1.0 mm or greater and 100 mm or less and that the buffer material have a density of 0.02 g/cm3 or greater and 0.20 g/cm3 or less. It is preferable that the binding material contain a shellac resin. It is preferable that a content of lignin in the cellulose fibers be 5.0% by mass or less.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 9, 2023
    Inventors: Jun TAKIZAWA, Tetsuji FUJITA, Akio ITO
  • Publication number: 20220178257
    Abstract: A method for producing an integrally bladed rotor includes providing imaginary front and rear lattice points on the ridges of the front and rear edges; providing a first imaginary line on positive-pressure and negative-pressure surfaces to connect a first imaginary front lattice point and a first imaginary rear lattice point; providing a second imaginary line on the positive-pressure and negative-pressure surfaces to connect a second imaginary front lattice point next to the first imaginary front lattice point and a second imaginary rear lattice point next to the first imaginary rear lattice point; providing a spiral path on the positive-pressure and negative-pressure surfaces by connecting the first and second imaginary lines with a spiral curve; and cutting the positive-pressure and negative-pressure surfaces by moving a cutting point corresponding to a cutting edge of a turning tool along the spiral path. point around the blade.
    Type: Application
    Filed: February 24, 2022
    Publication date: June 9, 2022
    Applicant: Yamazaki Mazak Corporation
    Inventors: Yukihide HARADA, Tetsuji FUJITA
  • Publication number: 20220090330
    Abstract: A fiber structural body includes cellulose fibers and a binding material which binds the cellulose fibers, the cellulose fibers are contained at a content of 50.0 to 70.0 percent by mass with respect to the fiber structural body, and the binding material is a natural component.
    Type: Application
    Filed: September 21, 2021
    Publication date: March 24, 2022
    Inventors: Tetsuji FUJITA, Jun TAKIZAWA, Makoto OMURA, Akio ITO
  • Publication number: 20220093827
    Abstract: A light emitting apparatus according to the present disclosure includes a first layer made of a semiconductor monocrystal, a second layer provided at the first layer and having a crystal orientation not continuous with the crystal orientation of the first layer, and a columnar crystal structure including a light emitting layer and extending from the second layer.
    Type: Application
    Filed: September 22, 2021
    Publication date: March 24, 2022
    Inventors: Takafumi NODA, Hideki HAHIRO, Tetsuji FUJITA, Atsushi ITO, Koichiro AKASAKA, Yasutaka IMAI, Michifumi NAGAWA
  • Patent number: 11172853
    Abstract: A technique restrains degradation of a light emitting element. A biological information acquisition device acquires light receiving result by causing a light receiving unit to receive light emitted by a light emitting unit serving as a measurement-purpose light emitting unit, and acquires biological information by using the light receiving result. The light is emitted from the light emitting unit so as to acquire the light receiving result for one time, while a plurality of light emitting patterns are switched between a light emitting element which emits the light and a light emitting element which does not emit the light in a plurality of the light emitting elements.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: November 16, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yuiga Hamade, Tetsuji Fujita, Takashi Toya, Yasunori Koide
  • Patent number: 11177316
    Abstract: A method of manufacturing a light source device includes the steps of providing a mask layer to a substrate, providing the mask layer with a plurality of first openings and at least one second opening, and growing columnar parts having a light emitting section from the plurality of first openings, and growing a structure from the second opening.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: November 16, 2021
    Inventors: Tetsuji Fujita, Yasutaka Imai, Koichiro Akasaka, Hideki Hahiro, Michifumi Nagawa
  • Patent number: 11063171
    Abstract: A light emitting device includes a substrate, and a laminated structure provided on the substrate, wherein the laminated structure has a plurality of columnar portions, the columnar portion contains a material having a wurtzite-type crystal structure, in a plan view as seen from a layered direction of the laminated structure, the plurality of columnar portions are arranged in a square lattice form or rectangular lattice form, a line passing through centers of the adjacent columnar portions is inclined relative to m-planes of the columnar portions located between the centers of the adjacent columnar portions, and vertices of the adjacent columnar portions are not placed on the line.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: July 13, 2021
    Inventors: Yasutaka Imai, Tetsuji Fujita, Koichiro Akasaka, Hideki Hahiro
  • Patent number: 10804472
    Abstract: A light-emitting element according to the invention includes an anode, a cathode, and a light-emitting layer which is provided between the anode and the cathode, contains a light-emitting material and a host material that holds the light-emitting material, and emits light having a peak wavelength in a near-infrared region by applying a current between the anode and the cathode, wherein the content of the light-emitting material in the light-emitting layer is 30 wt % or more and 70 wt % or less. Further, it is preferred that the light-emitting layer emits light having the peak wavelength of 700 nm or more and 960 nm or less.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: October 13, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hidetoshi Yamamoto, Yuiga Hamade, Tetsuji Fujita
  • Publication number: 20200313032
    Abstract: A light emitting device includes a substrate, and a laminated structure provided on the substrate, wherein the laminated structure has a plurality of columnar portions, the columnar portion contains a material having a wurtzite-type crystal structure, in a plan view as seen from a layered direction of the laminated structure, the plurality of columnar portions are arranged in a square lattice form or rectangular lattice form, a line passing through centers of the adjacent columnar portions is inclined relative to m-planes of the columnar portions located between the centers of the adjacent columnar portions, and vertices of the adjacent columnar portions are not placed on the line.
    Type: Application
    Filed: March 31, 2020
    Publication date: October 1, 2020
    Inventors: Yasutaka IMAI, Tetsuji FUJITA, Koichiro AKASAKA, Hideki HAHIRO
  • Publication number: 20200273908
    Abstract: A method of manufacturing a light source device includes the steps of providing a mask layer to a substrate, providing the mask layer with a plurality of first openings and at least one second opening, and growing columnar parts having a light emitting section from the plurality of first openings, and growing a structure from the second opening.
    Type: Application
    Filed: February 26, 2020
    Publication date: August 27, 2020
    Inventors: Tetsuji Fujita, Yasutaka Imai, Koichiro Akasaka, Hideki Hahiro, Michifumi Nagawa