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).
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Patent number: 11782353Abstract: 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: GrantFiled: April 13, 2021Date of Patent: October 10, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Nobuhiro Nakamura, Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka Ishiduka, Yota Ito, Takeshi Murakami
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Patent number: 11780034Abstract: 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: GrantFiled: September 27, 2019Date of Patent: October 10, 2023Assignees: UACJ CORPORATION, DENSO CORPORATIONInventors: Shinichi Nakamura, Tomoki Yamayoshi, Takeyoshi Dokou, Takahiro Shinoda, Shogo Yamada, Yoshihiko Sonoda, Naoki Sugimoto, Nobuhiro Honma, Taketoshi Toyama
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Publication number: 20230297564Abstract: 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: ApplicationFiled: March 16, 2022Publication date: September 21, 2023Inventors: Hiroaki Nakamura, Toshiaki Yasue, Kohichi Ono, Nobuhiro Hosokawa
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Publication number: 20230223314Abstract: 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: ApplicationFiled: November 25, 2022Publication date: July 13, 2023Applicant: FUJI ELECTRIC CO., LTD.Inventors: Daiki YOSHIDA, Nobuhiro HIGASHI, Tsubasa NAKAMURA
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Patent number: 11685813Abstract: 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: GrantFiled: October 24, 2019Date of Patent: June 27, 2023Assignee: Toray Industries, Inc.Inventors: Itaru Asano, Tomohiko Nakamura, Yota Okuno, Nobuhiro Morioka
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Publication number: 20230176861Abstract: 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: ApplicationFiled: December 7, 2021Publication date: June 8, 2023Inventors: TOSHIAKI YASUE, Nobuhiro Hosokawa, HIROAKI NAKAMURA, Kohichi Ono, YUKIKO HARA
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Publication number: 20230166364Abstract: 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: ApplicationFiled: March 25, 2021Publication date: June 1, 2023Applicant: UACJ CorporationInventors: Tomoki Yamayoshi, Shinichi Nakamura, Taichi Suzuki, Hirokazu Tanaka, Nobuhiro Honma, Shogo Yamada, Taro Fukuda, Yosuke Uchida
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Publication number: 20230168884Abstract: 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: ApplicationFiled: November 30, 2021Publication date: June 1, 2023Inventors: HIROAKI NAKAMURA, Kohichi Ono, TOSHIAKI YASUE, Nobuhiro Hosokawa, YUKIKO HARA
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Publication number: 20230157301Abstract: 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: ApplicationFiled: January 20, 2023Publication date: May 25, 2023Applicant: AGC INC.Inventors: Satoshi KASHIWABARA, Takahiro MASHIMO, Kumiko SUWA, Yoshitake TODA, Nobuhiro NAKAMURA, Takaaki MURAKAMI
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Publication number: 20230124743Abstract: 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: ApplicationFiled: October 3, 2022Publication date: April 20, 2023Inventors: Nobuhiro Nakamura, Shuntaro Watanabe, Kohei Makisumi, Hiroyuki Watanabe
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Patent number: 11619907Abstract: 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: GrantFiled: March 8, 2022Date of Patent: April 4, 2023Assignee: Canon Kabushiki KaishaInventors: Fumiyuki Hiyama, Shuhei Iwasaki, Hiroyuki Watanabe, Nobuhiro Nakamura, Tomohito Ishida, Shuntaro Watanabe
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Publication number: 20230068976Abstract: 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: ApplicationFiled: September 15, 2022Publication date: March 2, 2023Inventors: Hiroyuki Watanabe, Akihiro Maruyama, Tatsuya Yamaai, Kenichi Kaku, Shuntaro Watanabe, Jumpei Kuno, Kazunori Noguchi, Takashi Anezaki, Nobuhiro Nakamura, Kohei Makisumi
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Publication number: 20230063968Abstract: 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: ApplicationFiled: October 10, 2022Publication date: March 2, 2023Applicant: AGC Inc.Inventors: Yasuo MORIMOTO, Nobuhiro NAKAMURA, Masanobu ISSHIKI
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Publication number: 20220291600Abstract: 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: ApplicationFiled: March 4, 2022Publication date: September 15, 2022Inventors: Nobuhiro Nakamura, Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Fumiyuki Hiyama, Shuntaro Watanabe
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Publication number: 20220291627Abstract: 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: ApplicationFiled: March 8, 2022Publication date: September 15, 2022Inventors: Fumiyuki Hiyama, Shuhei Iwasaki, Hiroyuki Watanabe, Nobuhiro Nakamura, Tomohito Ishida, Shuntaro Watanabe
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Patent number: 11392050Abstract: 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: GrantFiled: October 14, 2020Date of Patent: July 19, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Tsutomu Nishida, Yuka Ishiduka, Kenichi Kaku, Nobuhiro Nakamura, Hiroyuki Watanabe, Hideharu Shimozawa, Atsushi Okuda, Yuichi Kikuchi, Kazuhiro Yamauchi
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Patent number: 11392074Abstract: 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: GrantFiled: April 13, 2021Date of Patent: July 19, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Tomohito Ishida, Nobuhiro Nakamura, Shuhei Iwasaki, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka Ishiduka, Yota Ito, Takeshi Murakami
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Patent number: 11366402Abstract: 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: GrantFiled: October 14, 2020Date of Patent: June 21, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Yuka Ishiduka, Tsutomu Nishida, Hideharu Shimozawa, Nobuhiro Nakamura, Hiroyuki Watanabe, Kenichi Kaku, Kazuhiro Yamauchi, Yuichi Kikuchi, Kazuhisa Shida, Atsushi Okuda
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Patent number: 11256186Abstract: 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: GrantFiled: February 10, 2020Date of Patent: February 22, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Hideharu Shimozawa, Tsutomu Nishida, Atsushi Okuda, Yuka Ishiduka, Kenichi Kaku, Nobuhiro Nakamura, Hiroyuki Watanabe
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Publication number: 20220037605Abstract: 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: ApplicationFiled: October 21, 2021Publication date: February 3, 2022Applicant: AGC Inc.Inventors: Satoru WATANABE, Yoshitake TODA, Kunio MASUMO, Nao ISHIBASHI, Nobuhiro NAKAMURA, Shimpei MORITA, Hikaru KOBAYASHI