Patents by Inventor Nobuhiro Nakamura

Nobuhiro Nakamura 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: 11782353
    Abstract: A method for producing an electrophotographic photosensitive member including: forming a photosensitive layer; and forming a protective layer, wherein the step of forming the photosensitive layer forms a photosensitive layer having an amount of residual solvent of a first solvent in the photosensitive layer of 0.05% to 2.50% and an amount of residual solvent of a second solvent in the photosensitive layer of 0.50% to 2.50%, and the step of forming the protective layer includes step (A) of forming a cured film and step (B) of forming the protective layer having wrinkle shapes, wherein, in step (A), the irradiated coating film is heated at a heating temperature lower than a boiling point of the first solvent and in step (B), the cured film is heated at a heating temperature higher than a boiling point of the first solvent.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: October 10, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Nobuhiro Nakamura, Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka Ishiduka, Yota Ito, Takeshi Murakami
  • Patent number: 11780034
    Abstract: A brazing sheet (1) includes a core material (11) composed of an Al alloy that contains 0.20-3.0 mass % of Mg; and a filler material (12) layered on the core material and composed of an Al alloy that contains Mg, 6.0-13.0 mass % of Si, and more than 0.050 mass % and 1.0 mass % or less of Bi. The Mg concentration of the filler material becomes continuously lower in a direction from a boundary (122) with the core material to an outermost surface (121). The Mg concentration of the filler material is 0.150 mass % or less at a first depth from the outermost surface that is ? of a thickness (tf) of the filler material and is 5-90% of the amount of Mg in the core material at a second depth from the outermost surface that is ? of the thickness of the filler material.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: October 10, 2023
    Assignees: UACJ CORPORATION, DENSO CORPORATION
    Inventors: Shinichi Nakamura, Tomoki Yamayoshi, Takeyoshi Dokou, Takahiro Shinoda, Shogo Yamada, Yoshihiko Sonoda, Naoki Sugimoto, Nobuhiro Honma, Taketoshi Toyama
  • Publication number: 20230297564
    Abstract: A method, system, and computer program product for error detection and correction of query expressions are provided. The method extracts a first set of queries from a set of programs prior to query editing. A first word set is generated from the first set of queries. A second set of queries are extracted from the set of programs after query editing. A second word set is generated from the second set of queries. The method determines a set of differences for word pairs within the first word set and the second word set. A third word set is generated from one or more edited queries based on the set of differences. The method generates an error report for the third word set based on the third word set and the set of differences.
    Type: Application
    Filed: March 16, 2022
    Publication date: September 21, 2023
    Inventors: Hiroaki Nakamura, Toshiaki Yasue, Kohichi Ono, Nobuhiro Hosokawa
  • Publication number: 20230223314
    Abstract: A semiconductor apparatus a semiconductor module including a semiconductor device and a resin section covering the periphery of the semiconductor device, and a cooler arranged below the semiconductor device. The cooler includes a top plate that is attached to a lower surface of the resin section. The resin section has a protrusion protruding downward from an outer peripheral edge of the lower surface of the resin section. The protrusion includes a first straight section extending in a predetermined direction in a plan view of the semiconductor apparatus, and a first curved section having a curved shape convex inward the semiconductor module and being connected to the first straight section. The top plate includes a first notch that is engageable with the protrusion, and the resin section and the top plate are bonded to each other with an adhesive interposed therebetween.
    Type: Application
    Filed: November 25, 2022
    Publication date: July 13, 2023
    Applicant: FUJI ELECTRIC CO., LTD.
    Inventors: Daiki YOSHIDA, Nobuhiro HIGASHI, Tsubasa NAKAMURA
  • Patent number: 11685813
    Abstract: A method produces polyamide fine particles by polymerizing a polyamide monomer (A) in the presence of a polymer (B) at a temperature equal to or higher than the crystallization temperature of a polyamide to be obtained, wherein the polyamide monomer (A) and the polymer (B) are homogeneously dissolved at the start of polymerization, and polyamide fine particles are precipitated after the polymerization. Polyamide fine particles have a number average particle size of 0.1 to 100 ?m, a sphericity of 90 or more, a particle size distribution index of 3.0 or less, a linseed oil absorption of 100 mL/100 g or less, and a crystallization temperature of 150° C. or more.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: June 27, 2023
    Assignee: Toray Industries, Inc.
    Inventors: Itaru Asano, Tomohiko Nakamura, Yota Okuno, Nobuhiro Morioka
  • Publication number: 20230176861
    Abstract: A computer-implemented method for detecting code regions related to specific processes in an application is provided including obtaining a call-graph of an application, each node of the call-graph representing a program in the application and each edge of the call-graph representing a call between programs, detecting merge points in the call-graph where paths from different entry points are merged, dividing the call-graph into sub-call-graphs at the merge points to create a macro-call-graph, each node of the macro-call-graph representing each of the sub-call-graphs, detecting code regions related to specific processes in each program in the application based on variable names corresponding to the specific processes, setting an initial state to each entry point of the sub-call-graphs, and identifying sub-call-graphs related to each specific process by using dataflow analysis with the initial states and the code regions based on entry states of the sub-call-graphs.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 8, 2023
    Inventors: TOSHIAKI YASUE, Nobuhiro Hosokawa, HIROAKI NAKAMURA, Kohichi Ono, YUKIKO HARA
  • Publication number: 20230166364
    Abstract: An aluminum alloy bare material for a member to be brazed by flux-free brazing to a brazing sheet including a brazing material formed of an aluminum alloy that includes 3.00 to 13.00 mass % of Si and less than 0.10 mass % (including 0 mass %) of Mg with the balance being Al and inevitable impurities, in which the aluminum alloy bare material for the member to be brazed is formed of an aluminum alloy including 0.004 to 6.00 mass % of Zn and 0.004 to 3.00 mass % of Mg with the balance being Al and inevitable impurities. According to the present invention, aluminum alloy materials can be provided for members to be well brazed to the brazing sheet when an aluminum material is brazed by flux-free brazing.
    Type: Application
    Filed: March 25, 2021
    Publication date: June 1, 2023
    Applicant: UACJ Corporation
    Inventors: Tomoki Yamayoshi, Shinichi Nakamura, Taichi Suzuki, Hirokazu Tanaka, Nobuhiro Honma, Shogo Yamada, Taro Fukuda, Yosuke Uchida
  • Publication number: 20230168884
    Abstract: A computer-implemented method is described for creating an entity relationship diagram. In one embodiment, the method for creating the entity relationship diagram can include analyzing programs to extract tables having references to SQL statements and call graphs. The method may further include counting a number of co-occurrences of pairs of tables having the references to SQL statements. Creating first edges based on the number of co-occurrences of pairs of tables having the references to SQL statements. The method may further include computing a shortest path lengths between two programs using pairs of tables in the call graphs based on a program to table use relationship. The method can further include creating second edges based on the shortest path lengths. The entity relationship diagram is plotted from the first edges and the second edges.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 1, 2023
    Inventors: HIROAKI NAKAMURA, Kohichi Ono, TOSHIAKI YASUE, Nobuhiro Hosokawa, YUKIKO HARA
  • Publication number: 20230157301
    Abstract: The present invention relates to an antiviral material including a Cu-M-O compound, in which the Cu at least includes a monovalent-state Cu and the M is at least one element selected from the group consisting of B, Al, Sc, Ti, Co, Cr, Ni, Ga, Y, Zr, In, Rh, and a lanthanoid.
    Type: Application
    Filed: January 20, 2023
    Publication date: May 25, 2023
    Applicant: AGC INC.
    Inventors: Satoshi KASHIWABARA, Takahiro MASHIMO, Kumiko SUWA, Yoshitake TODA, Nobuhiro NAKAMURA, Takaaki MURAKAMI
  • Publication number: 20230124743
    Abstract: There is provided an electrophotographic photosensitive member comprising: a support, a photosensitive layer, and a surface layer in this order, wherein an outer surface of the electrophotographic photosensitive member exhibits a wrinkled shape by having a concavo-convex shape, the surface layer comprises a binder resin and an inorganic particle, and at least a part of the inorganic particle exposes at a concave portion of the concavo-convex shape.
    Type: Application
    Filed: October 3, 2022
    Publication date: April 20, 2023
    Inventors: Nobuhiro Nakamura, Shuntaro Watanabe, Kohei Makisumi, Hiroyuki Watanabe
  • Patent number: 11619907
    Abstract: A process cartridge including: an electrophotographic photosensitive member having a drum shape; a developing unit for developing an electrostatic latent image on the surface of the electrophotographic photosensitive member with toner; and a cleaning blade for removing the toner on the surface of the electrophotographic photosensitive member, the cleaning blade being in contact with the electrophotographic photosensitive member, wherein the electrophotographic photosensitive member comprises wrinkles on the surface of the electrophotographic photosensitive member, and wherein the toner has a fluidity torque E of 320 mJ or more.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: April 4, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Fumiyuki Hiyama, Shuhei Iwasaki, Hiroyuki Watanabe, Nobuhiro Nakamura, Tomohito Ishida, Shuntaro Watanabe
  • Publication number: 20230068976
    Abstract: The present disclosure provides a photoelectric conversion element including a first electrode 3, a second electrode 7, a photoelectric conversion layer 5 between the first electrode 3 and the second electrode 7, and a reflection layer 6 between one of the first electrode 3 and the second electrode 7 and the photoelectric conversion layer 5. The wavelength at which the reflectance of the reflection layer 6 is maximum in the visible region is within the range of wavelengths in which the optical absorption coefficient of the photoelectric conversion layer 5 is ? or more of the maximum optical absorption coefficient in the visible region.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 2, 2023
    Inventors: Hiroyuki Watanabe, Akihiro Maruyama, Tatsuya Yamaai, Kenichi Kaku, Shuntaro Watanabe, Jumpei Kuno, Kazunori Noguchi, Takashi Anezaki, Nobuhiro Nakamura, Kohei Makisumi
  • Publication number: 20230063968
    Abstract: A transparent antenna includes a transparent substrate; and a metal thin wire layer on an upper side of the transparent substrate. The transparent substrate has a thickness of 300 ?m or less. The metal thin wire layer has an opening ratio of 80% or more. When a metal conductor having a surface resistivity ? ?/sq is placed parallel to the transparent antenna 0.15 mm apart, an input reflection coefficient S11(?, f) and a radiation efficiency Eff(?, f) at a frequency f satisfy relations S11(0.1 ?/sq, f1 GHz)<?3 dB, S11(0.1 ?/sq, f2 GHz)<?3 dB, and |Eff(0.1 ?/sq, f1 GHz)?Eff(0.1 ?/sq, f2 GHz)|<25% at two frequencies f1 and f2 that are between 2 GHz and 50 GHz.
    Type: Application
    Filed: October 10, 2022
    Publication date: March 2, 2023
    Applicant: AGC Inc.
    Inventors: Yasuo MORIMOTO, Nobuhiro NAKAMURA, Masanobu ISSHIKI
  • Publication number: 20220291600
    Abstract: In an electrophotographic photosensitive member, wrinkles have a convex portion in which a linear shape portion having a length of 50 ?m or longer exists, the linear shape portion is parallel to any one of L1 to L150 and L1651 to L1800, and each of L1 to L1800 intersects with the convex portion at a plurality of places, and at least two of the places have different intersection angles; and when height information of the wrinkles is subjected to a frequency analysis, and a two-dimensional power spectrum is obtained, a one-dimensional radial distribution function has at least one local maximum value, and when an angular distribution is calculated from the spectrum at a frequency of the local maximum value, the power values have a particular relationship.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 15, 2022
    Inventors: Nobuhiro Nakamura, Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Fumiyuki Hiyama, Shuntaro Watanabe
  • Publication number: 20220291627
    Abstract: A process cartridge including: an electrophotographic photosensitive member having a drum shape; a developing unit for developing an electrostatic latent image on the surface of the electrophotographic photosensitive member with toner; and a cleaning blade for removing the toner on the surface of the electrophotographic photosensitive member, the cleaning blade being in contact with the electrophotographic photosensitive member, wherein the electrophotographic photosensitive member comprises wrinkles on the surface of the electrophotographic photosensitive member, and wherein the toner has a fluidity torque E of 320 mJ or more.
    Type: Application
    Filed: March 8, 2022
    Publication date: September 15, 2022
    Inventors: Fumiyuki Hiyama, Shuhei Iwasaki, Hiroyuki Watanabe, Nobuhiro Nakamura, Tomohito Ishida, Shuntaro Watanabe
  • Patent number: 11392050
    Abstract: A process cartridge which allows any spot and stripe as image defects to be suppressed is provided. A process cartridge, in which an electroconductive layer of a charging member has a matrix including a first rubber, and domains dispersed in the matrix, the domains include a second rubber and an electron electroconductive agent, at least some of the domains are exposed on a surface of the charging member, when a volume resistivity of the matrix is 105 times or more a volume resistivity of the domains, a protective layer of an electrophotographic photosensitive member includes a metal oxide particle, and when a number average primary particle size of the metal oxide particle is defined as Sm and an average value of equivalent circle diameters of the domains is defined as Sd, the Sd/Sm satisfies the following expression (1): 0.5<Sd/Sm<100 . . . expression (1).
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: July 19, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tsutomu Nishida, Yuka Ishiduka, Kenichi Kaku, Nobuhiro Nakamura, Hiroyuki Watanabe, Hideharu Shimozawa, Atsushi Okuda, Yuichi Kikuchi, Kazuhiro Yamauchi
  • Patent number: 11392074
    Abstract: Provided is an electrophotographic photosensitive drum that achieves both of a reduction in torque of the electrophotographic photosensitive drum at the time of its cleaning and an improvement in image transferability. The electrophotographic photosensitive drum includes: a support; and a photosensitive layer arranged on the support, the electrophotographic photosensitive drum having arranged on an outer surface thereof at least two structure groups having different appearance periods, wherein when, out of the two structure groups, a group including structures having a smaller appearance period is defined as a first structure group, and a group including structures having a larger appearance period is defined as a second structure group, a height of the first structure group is lower than a height of the second structure group.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: July 19, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tomohito Ishida, Nobuhiro Nakamura, Shuhei Iwasaki, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka Ishiduka, Yota Ito, Takeshi Murakami
  • Patent number: 11366402
    Abstract: There is provided a process cartridge detachably attachable to a main body of an electrophotographic apparatus, the process cartridge including an electrophotographic photosensitive member and a charging member, wherein an outer surface of the charging member is composed of at least a matrix and at least a part of domains, a volume resistivity of the matrix is 1.0×105 times or more of a volume resistivity of the domain, an average value Sd of circle equivalent diameters of the domains observed on the outer surface of the charging member is in a predetermined range, the electrophotographic photosensitive member contains a support, a photosensitive layer, and a protective layer in this order and when a surface roughness of the protective layer is measured, each of a protruding valley portion Rvk, a load length ratio Mr2, and Sd/Rvk is in a predetermined range.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: June 21, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuka Ishiduka, Tsutomu Nishida, Hideharu Shimozawa, Nobuhiro Nakamura, Hiroyuki Watanabe, Kenichi Kaku, Kazuhiro Yamauchi, Yuichi Kikuchi, Kazuhisa Shida, Atsushi Okuda
  • Patent number: 11256186
    Abstract: The present disclosure provides an electrophotographic photosensitive member that suppresses electric potential fluctuations in repeated use. The electrophotographic photosensitive member includes a support, a photosensitive layer and a protective layer, in this order, wherein the photosensitive layer includes a compound having a structure represented by formula (1), and the protective layer includes a resin having a structure represented by formula (2) and a structure represented by formula (3).
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: February 22, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hideharu Shimozawa, Tsutomu Nishida, Atsushi Okuda, Yuka Ishiduka, Kenichi Kaku, Nobuhiro Nakamura, Hiroyuki Watanabe
  • Publication number: 20220037605
    Abstract: An assembly of nanoparticles includes metal oxide, the nanoparticles including zinc (Zn) and silicon (Si). In addition, the nanoparticles have an atomic ratio of Zn/(Zn+Si) in a range of 0.3 to 0.95. Further, the nanoparticles have an equivalent circular particle diameter in a range of 1 nm to 20 nm.
    Type: Application
    Filed: October 21, 2021
    Publication date: February 3, 2022
    Applicant: AGC Inc.
    Inventors: Satoru WATANABE, Yoshitake TODA, Kunio MASUMO, Nao ISHIBASHI, Nobuhiro NAKAMURA, Shimpei MORITA, Hikaru KOBAYASHI