Patents by Inventor Hiroshi Fujii

Hiroshi 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: 20240150614
    Abstract: The invention provides a chemical-mechanical polishing composition comprising: (a) an abrasive particle; (b) an ionic oxidizer; and (c) water, wherein the chemical-mechanical polishing composition has a pH of about 1 to about 7, the abrasive particle has an isoelectric point that is higher than 8, and the ionic oxidizer has a negative charge at the pH of the chemical-mechanical polishing composition. The invention also provides a method of chemically-mechanically polishing a substrate, especially a substrate comprising a silicon carbide layer on a surface of the substrate, using said composition.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 9, 2024
    Inventors: Tsuyoshi MASUDA, Ryuta KUMASHIRO, Hironao FUJII, Takamasa KANAI, Hiroshi KITAMURA, Helin HUANG, Yoshiyuki MATSUMURA
  • Patent number: 11926904
    Abstract: Provided are an aqueous composition with which the surface of stainless steel is adequately roughened in an efficient manner with few steps, a method for roughening stainless steel, etc. The problem mentioned above is solved by an aqueous composition for roughening the surface of stainless steel, the aqueous composition including 0.1-20 mass % of hydrogen peroxide with reference to the total amount of the aqueous composition, 0.25-40 mass % of copper ions with reference to the total amount of the aqueous composition, and 1-30 mass % of halide ions with reference to the total amount of the aqueous composition.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: March 12, 2024
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Kazuhiko Ikeda, Tomoko Fujii, Hiroshi Matsunaga, Satoshi Tamai
  • Patent number: 11833865
    Abstract: In a state in which the pneumatic tire is mounted on a regular rim and inflated to 5% of a specified internal pressure, a tread width is TW, a total tire width is SW in a tire meridian cross-sectional view, a relationship of 0.80?TW/SW?0.95 is satisfied, a ground contact width at a load of 100% of a maximum load capacity is CW100, a ground contact width at a load of 70% of the maximum load capacity is CW70, and a relationship of 1.04?CW100/CW70?1.15 is satisfied.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: December 5, 2023
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Hiroshi Fujii
  • Patent number: 11732650
    Abstract: Provided is a gas turbine engine including a main passage through which compressed air extracted from a compressor is guided to a bearing; and an oil supply device that supplies oil to the main passage. The oil supply device includes a pressure reducer in the main passage; an oil tank a divider that is movable and divides an internal space of the container into an oil chamber storing the oil and an air chamber; an extruder including a cylinder and a piston that divides an internal space of the cylinder into a first chamber and a second chamber; a switching mechanism that switches between a first state where the first chamber communicates with a low-pressure space whose pressure is lower than pressure in the air chamber and a second state where the first chamber communicates with a high-pressure space whose pressure is higher than pressure in the downstream passage.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: August 22, 2023
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi Fujii, Takafumi Fujii, Tatsuya Okuwa, Hikaru Maesato
  • Patent number: 11607913
    Abstract: In a state in which a pneumatic tire is mounted on a specified rim, inflated to 92% of a specified internal pressure, and loaded with a load of 75% of the maximum load capacity, an average thickness of an undertread rubber is smaller in a center region than in a shoulder region, a ratio (CAO/UAO) is 0.15 or more and 0.95 or less, a ratio (UAI/UAO) is less than 1, and a ratio (L/W) is 0.29 or more and 0.51 or less, in a tire meridian cross-sectional view, where CAO, UAO and UAI are cross-sectional areas of the cap tread rubber, the undertread rubber, and the undertread rubber in the center region, respectively, L is a tire width direction dimension from a defined intersection point to a ground contact edge, and W is a tire width direction dimension of each shoulder region.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: March 21, 2023
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Hiroshi Fujii
  • Patent number: 11534851
    Abstract: Provided is a spatter scattering prevention apparatus that eliminates the necessity to, for example, remove scattered spatters and thus makes it possible to facilitate maintenance work, and also provided is a flash butt welder including the spatter scattering prevention apparatus. The spatter scattering prevention apparatus 1 according to the present invention is characterized by being configured to form a water screen in midair in the vicinity of a welding spot, at which welding is performed, wherein the water screen is for preventing spatters, generated during the welding, from scattering. The spatter scattering prevention apparatus is also characterized by being configured to form the water screen on one side in a lateral direction of the welding spot and form the water screen on the other side, laterally opposite to the one side, of the welding spot.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: December 27, 2022
    Assignee: JP STEEL PLANTECH CO.
    Inventors: Tomohiro Kudo, Hiroshi Fujii, Hiroshi Goto, Susumu Okawa
  • Publication number: 20220389869
    Abstract: Provided is a gas turbine engine including a main passage through which compressed air extracted from a compressor is guided to a bearing; and an oil supply device that supplies oil to the main passage. The oil supply device includes a pressure reducer in the main passage; an oil tank a divider that is movable and divides an internal space of the container into an oil chamber storing the oil and an air chamber; an extruder including a cylinder and a piston that divides an internal space of the cylinder into a first chamber and a second chamber; a switching mechanism that switches between a first state where the first chamber communicates with a low-pressure space whose pressure is lower than pressure in the air chamber and a second state where the first chamber communicates with a high-pressure space whose pressure is higher than pressure in the downstream passage.
    Type: Application
    Filed: October 20, 2020
    Publication date: December 8, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi FUJII, Takafumi FUJII, Tatsuya OKUWA, Hikaru MAESATO
  • Publication number: 20220351113
    Abstract: The production management system includes: a first storage unit which stores actual production information including actual production values of the production of products in the production facility; a second storage unit which stores status information indicating a status of the production facility; a third storage unit which stores master information including a first threshold for detecting an abnormality in the production of products in the production facility; a calculation unit which calculates a correction term according to the status of the production facility based on the status information, and calculates a second threshold in which the calculated correction term is set to a first threshold included in the master information stored in the third storage unit; and a detection unit which detects an abnormality in the production of products in the production facility by using the actual production value included in the actual production information and the second threshold.
    Type: Application
    Filed: March 7, 2022
    Publication date: November 3, 2022
    Inventors: Shimpei NISHIDA, Hiroshi FUJII, Satoshi TORIKAI, Yuuichi SUGINISHI
  • Patent number: 11466895
    Abstract: Provided is an exterior case for a hot water unit which can be produced in a simple operational process with high productivity and with low costs without environmental pollution even if a complex pattern or the like is formed, in which the overall design properties are favorable. There is provided an exterior case used for accommodating a hot water device for hot water production or hot water storage therein, and an ink jet printing layer representing at least one of letters, symbols, figures, and patterns is provided on a paint layer of a metal plate constituting the exterior case.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 11, 2022
    Assignee: NORITZ CORPORATION
    Inventors: Nobuhiro Fukui, Hiroshi Fujii
  • Publication number: 20220276243
    Abstract: Provided are a novel determination method, diagnostic probe, and diagnostic kit for inflammatory bowel disease. A method for determining inflammatory bowel disease includes measuring an anti-endothelial cell protein C receptor antibody (anti-EPCR antibody) in a sample collected from a subject.
    Type: Application
    Filed: August 25, 2020
    Publication date: September 1, 2022
    Applicant: TOHOKU UNIVERSITY
    Inventors: Tsuyoshi SHIRAI, Hiroshi FUJII, Tomonori ISHII, Hideo HARIGAE, Yoichi KAKUTA, Atsushi MASAMUNE, Tomoyuki MUTOH
  • Publication number: 20220088968
    Abstract: In a state in which a pneumatic tire is mounted on a specified rim, inflated to 92% of a specified internal pressure, and loaded with a load of 75% of the maximum load capacity, an average thickness of an undertread rubber is smaller in a center region than in a shoulder region, a ratio (CAO/UAO) is 0.15 or more and 0.95 or less, a ratio (UAI/UAO) is less than 1, and a ratio (L/W) is 0.29 or more and 0.51 or less, in a tire meridian cross-sectional view, where CAO, UAO and UAI are cross-sectional areas of the cap tread rubber, the undertread rubber, and the undertread rubber in the center region, respectively, L is a tire width direction dimension from a defined intersection point to a ground contact edge, and W is a tire width direction dimension of each shoulder region.
    Type: Application
    Filed: March 17, 2020
    Publication date: March 24, 2022
    Inventor: Hiroshi FUJII
  • Publication number: 20210374771
    Abstract: A data analysis support apparatus is configured to acquire first result information which is result information acquired for a product produced through a prescribed step, and which includes information indicating a first processing time period which is a processing time period of the step for a first number of the products, and second result information which is result information including information indicating a second processing time period which is a processing time of the step for a second number of the products produced through the step, the second number being different from the first number, and convert the first result information and the second result information into a plurality of result information sets by performing time-division of the first result information and/or the second result information such that the result information sets each indicate a time period taken to perform the step for the same unit number of the products.
    Type: Application
    Filed: March 12, 2021
    Publication date: December 2, 2021
    Inventors: Yusuke NISHI, Shizhen HU, Satoshi TORIKAI, Hiroshi FUJII, Naoshi MANIWA
  • Patent number: 11173754
    Abstract: A pneumatic tire is provided including a plurality of protrusions and a plurality of recesses of at least one tire side portion. A region including the recesses is provided in the outermost side in a tire radial direction. The protrusions are formed as convexities having a longitudinal shape in a predetermined direction. A region including the protrusions is provided inward in the tire radial direction of the region including the recesses.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: November 16, 2021
    Inventors: Hiroshi Fujii, Masatoshi Kuwajima, Masataka Koishi
  • Publication number: 20210221177
    Abstract: A pneumatic tire with reduced tire noise, reduced rolling resistance, and improved steering stability performance is provided. An average thickness of an undertread rubber in a center region is greater than that in a shoulder regions, a loss tangent tan ? at 60° C. of the cap tread rubber is higher than that of the undertread rubber, and the ratio CAI/UAI of a cross-sectional area CAI of the cap tread rubber to a cross-sectional area UAI of the undertread rubber is not less than 0.15 and not greater than 0.95 in the center region.
    Type: Application
    Filed: December 25, 2018
    Publication date: July 22, 2021
    Inventor: Hiroshi Fujii
  • Patent number: 11041658
    Abstract: There is provided a method of producing an exterior case for a hot water unit including a pressing process in which press processing is performed on a flat metal plate, and a component part of an exterior case used for accommodating a hot water device for hot water production or hot water storage therein is formed; and a painting process in which any of letters, symbols, figures, and patterns is painted on the component part of the exterior case, wherein the painting process includes an ink jet printing process in which ink jet printing is performed on the flat metal plate and an ink jet printing layer is formed, and wherein the pressing process is performed after the ink jet printing process.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: June 22, 2021
    Assignee: NORITZ CORPORATION
    Inventors: Nobuhiro Fukui, Hiroshi Fujii
  • Publication number: 20210114412
    Abstract: In a state in which the pneumatic tire is mounted on a regular rim and inflated to 5% of a specified internal pressure, a tread width is TW, a total tire width is SW in a tire meridian cross-sectional view, a relationship of 0.80?TW/SW?0.95 is satisfied, a ground contact width at a load of 100% of a maximum load capacity is CW100, a ground contact width at a load of 70% of the maximum load capacity is CW70, and a relationship of 1.04?CW100/CW70?1.15 is satisfied.
    Type: Application
    Filed: May 7, 2019
    Publication date: April 22, 2021
    Inventor: Hiroshi Fujii
  • Patent number: 10730351
    Abstract: A pneumatic tire includes a center land portion, intermediate land portions, and shoulder land portions, the land portions being partitioned and formed by four main grooves, and a plurality of lug grooves and sipes disposed in the land portions. The lug grooves disposed in the shoulder land portions do not communicate with the second main grooves. The groove area ratio is greater in the center region than in the shoulder regions. The distance (L1) from the tire equator to the center in the tire width direction of the first main groove is 15 to 25% of the distance (L) from the tire equator to the ground contact edge. The distance (L2) from the tire equator to the center in the tire width direction of the second main groove is 50 to 65% of the distance (L) from the tire equator to the ground contact edge.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: August 4, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Hiroshi Fujii
  • Patent number: 10626487
    Abstract: An austenitic heat-resistant cast steel includes 0.1% to 0.6% by mass of C, 1.0% to 3.0% by mass of Si, 0.5% to 1.5% by mass of Mn, 0.05% by mass or less of P, 0.05% to 0.3% by mass of S, 9% to 16% by mass of Ni, 14% to 20% by mass of Cr, 0.1% to 0.2% by mass of N, and the balance of iron and inevitable impurities, in which a matrix structure of the austenitic heat-resistant cast steel is composed of austenite crystal grains, and a ferrite phase is dispersed and interposed between the austenite crystal grains so as to cover the austenite crystal grains.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: April 21, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN TAKAOKA CO., LTD.
    Inventors: Kazumi Ohtake, Takamichi Ueda, Yoshikazu Genma, Takahiro Sato, Hiroshi Fujii
  • Publication number: 20200114457
    Abstract: Provided is a spatter scattering prevention apparatus that eliminates the necessity to, for example, remove scattered spatters and thus makes it possible to facilitate maintenance work, and also provided is a flash butt welder including the spatter scattering prevention apparatus. The spatter scattering prevention apparatus 1 according to the present invention is characterized by being configured to form a water screen in midair in the vicinity of a welding spot, at which welding is performed, wherein the water screen is for preventing spatters, generated during the welding, from scattering. The spatter scattering prevention apparatus is also characterized by being configured to form the water screen on one side in a lateral direction of the welding spot and form the water screen on the other side, laterally opposite to the one side, of the welding spot.
    Type: Application
    Filed: June 14, 2018
    Publication date: April 16, 2020
    Applicant: JP STEEL PLANTECH CO.
    Inventors: Tomohiro KUDO, Hiroshi FUJII, Hiroshi GOTO, Susumu OKAWA
  • Patent number: 10327003
    Abstract: The computational complexity when a block configuration in an encoding target region is determined is reduced while the degradation of coding efficiency is suppressed. A video encoding apparatus includes a block selecting unit which selects each of blocks obtained by recursively dividing an encoding target block as a target block in a predetermined sequence, a block size acquiring unit which acquires the smallest block size in an adjacent block for the selected target block, an evaluation value calculating unit which calculates an evaluation value of the target block if a block size of the target block matches any one of the acquired block size, the block size one level higher than the acquired block size, and the block size one level lower than the acquired block size, and a block configuration determining unit which determines a combination of the blocks constituting the region within the encoding target block based on the evaluation value.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: June 18, 2019
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Shinobu Kudo, Masaki Kitahara, Atsushi Shimizu, Hiroshi Fujii, Mayuko Watanabe