Patents Examined by Peter L. Vajda
  • Patent number: 11415902
    Abstract: A toner comprising a resin that contains an amorphous segment and a crystalline segment as a binder resin, wherein a proportion of a tetrahydrofuran-insoluble matter of a resin component is from 40% by mass to 80% by mass; in differential scanning calorimeter measurement of the tetrahydrofuran-insoluble matter, where a temperature of a maximum endothermic peak is denoted by Tm [° C.] and an endothermic quantity is denoted by H(I) [J/g], the following formulas (1) and (2) are satisfied: 55.0?Tm?80.0??(1) 10.0?H(I)?80.0??(2).
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: August 16, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Shuntaro Watanabe, Hiroki Akiyama, Hiroki Kagawa
  • Patent number: 11415887
    Abstract: A resist composition comprising a base polymer and a quencher in the form of a salt of a cyclic ammonium cation with a carboxylate, sulfonamide, halogenated phenoxide or halide anion offers a high sensitivity and minimal LWR or improved CDU, independent of whether it is of positive or negative tone.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: August 16, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Masaki Ohashi, Takayuki Fujiwara
  • Patent number: 11409195
    Abstract: The present disclosure provides a photoresist. The photoresist is formed by a crosslinking polymerization reaction between a reactive group-containing biimidazole molecule and a nitrogen-containing compound.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: August 9, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wenliang Gong
  • Patent number: 11397386
    Abstract: A toner comprising a toner particle that includes a binder resin, wherein in dynamic viscoelasticity measurement of the toner, the storage elastic modulus of the toner at 70° C. is from 0.10 MPa to 3.00 MPa, and in nanoindentation measurement of the toner, the surface storage elastic modulus of the toner at 25° C. under 150 ?N of load is from 2.80 GPa to 4.50 GPa.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: July 26, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hirofumi Kyuushima, Yoshiaki Shiotari, Shintaro Noji, Mai Kato
  • Patent number: 11397387
    Abstract: Disclosed herein is a toner composition, developer and additive for a toner composition. The toner composition includes toner particles including at least one resin, an optional colorant, an optional wax, and a polymeric toner additive on at least a portion of an external surface of the toner particles. The polymeric toner additive includes a polymeric resin including a fluorinated acrylic monomer, a cross-linkable monomer containing two or more vinyl groups at 8 wt % to 40 wt % of the polymeric resin, and optionally a charge control agent comprised of a nitrogen containing group at 0.1 wt % to 1.5 wt % of the polymeric resin.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: July 26, 2022
    Assignee: Xerox Corporation
    Inventors: Richard Philip Nelson Veregin, Kimberly D. Nosella, Raysa Rodriguez Diaz, Melanie Lynn Davis, Cuong Vong
  • Patent number: 11392053
    Abstract: The present disclosure relates to an electrophotographic printing method comprising electrophotographically printing a liquid electrophotographic composition onto a substrate. The liquid electrophotographic composition comprises a charge adjuvant and a copolymer of a) ethylene and b) methacrylic acid and/or acrylic acid, wherein 80 to 95 weight % of the units of said copolymer are derived from ethylene. The printed substrate is then subjected to electron beam (EB) radiation.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: July 19, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Boris Kaziev, Dani Tulchinski, Liora Braun, Einat Glick, Yair Gellis, Debby Margoy
  • Patent number: 11392034
    Abstract: A resist composition comprising a carbonyloxyimide compound having an iodized or brominated aromatic ring has a high sensitivity and forms a pattern having improved LWR or CDU.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: July 19, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Masaki Ohashi
  • Patent number: 11392052
    Abstract: An electrostatic image developing toner includes a toner particle, an external additive A, and an external additive B. At least the external additive A is present on the surface of the toner particles. At least the external additive B is present on the external additive A. The number of peaks of the external additive B on the external additive A is 5 or more and 100 or less per 30 ?m peripheral length of the toner particle, the peaks having a height from the surface of the toner particle of 80 nm or more and 250 nm or less.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: July 19, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Yasuko Torii, Yosuke Tsurumi, Atsushi Sugawara, Yoshimasa Fujihara, Moegi Iguchi
  • Patent number: 11385545
    Abstract: A resist underlayer composition and a method of forming patterns, the composition including a polymer including at least one of a first moiety represented by Chemical Formula 1-1 and a second moiety represented by Chemical Formula 1-2; a thermal acid generator including a salt composed of an anion of an acid and a cation of a base, the base having pKa of greater than or equal to about 7; and a solvent,
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: July 12, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jaeyeol Baek, Shinhyo Bae, Yoojeong Choi, Soonhyung Kwon, Hyeon Park
  • Patent number: 11385558
    Abstract: A toner has a toner particle containing a resin having an acid group, an aluminum pigment, and a fatty acid metal salt, wherein an acid value of the resin having an acid group is in a range of from 5 mg KOH/g to 25 mg KOH/g, and an amount of the resin having the acid group is 50% by mass or more; an amount of the aluminum pigment is in a range of from 10% by mass to 40% by mass; the fatty acid metal salt is represented by formula (R—COO)pM(OH)q; and an amount thereof is in a range of from 1 part by mass to 10 parts by mass based on 100 parts by mass of the aluminum pigment.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: July 12, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuya Chimoto, Kouichirou Ochi, Tomoyo Miyakai, Takashi Hirasa
  • 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: 11360404
    Abstract: A toner comprising a toner particle that contains a binder resin and fine particles A at the surface of the toner particle, wherein the fine particles A are organosilicon polymer fine particles, the organosilicon polymer fine particles have a number-average primary particle diameter of 30 nm to 500 nm, the organosilicon polymer fine particles have an attachment index for a polycarbonate film of not more than 3.5, the organosilicon polymer fine particles penetrate into the toner particle in a penetration depth b (nm), and protrude from the toner particle in a protrusion height c (nm), and b and c satisfy 0.05?b/(b+c)?0.40.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: June 14, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takaaki Furui, Yojiro Hotta, Yasuhiro Hashimoto, Koji Nishikawa, Shotaro Nomura, Yuujirou Nagashima
  • Patent number: 11360387
    Abstract: Methods of manufacturing electronic devices employing wet-strippable underlayer compositions comprising one or more condensed polymers having an organic polymer chain having pendently-bound moieties having an acidic proton and a pKa in water from ?5 to 13 and having pendently-bound siloxane moieties are provided.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: June 14, 2022
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Li Cui, Paul J. LaBeaume, James F. Cameron, Charlotte A. Cutler, Shintaro Yamada, Suzanne M. Coley, Iou-Sheng Ke
  • Patent number: 11353803
    Abstract: A toner for electrostatic image development includes toner particles containing an amorphous resin and a crystalline resin. The toner particles include first toner particles. When a cross section of each of the first toner particles is observed, at least two domains of the crystalline resin satisfy conditions (A), (B1), (C), and (D) below: condition (A): an aspect ratio of each of the at least two domains of the crystalline resin is from 5 to 40 inclusive; condition (B1): a length of a major axis of each of the at least two domains of the crystalline resin is from 0.5 ?m to 1.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: June 7, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Atsushi Sugawara, Shintaro Anno, Yoshimasa Fujihara, Daisuke Noguchi, Satoshi Miura
  • Patent number: 11347157
    Abstract: A toner comprising a toner particle, wherein the toner has G1 of from 5.0×10?13 to 1.0×10?10, and a ratio G2/G1 of G2 to G1 is from 0.10 to 0.60, when a conductivity of the toner measured at a frequency of 0.01 Hz under a pressure of 1,000 kPa is designated by G1 in S/m, and a conductivity of the toner measured at a frequency of 0.01 Hz under a pressure of 100 kPa is designated by G2 in S/m.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: May 31, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kenta Kamikura, Takashi Kenmoku, Yuzo Seino
  • Patent number: 11347145
    Abstract: High etch contrast materials provide the basis for using pre-patterned template structure with a template hardmask having periodic holes and filler within the holes that provides the basis for rapidly obtaining high resolution patterns guided by the template and high etch contrast resist. Methods are described for performing the radiation lithography, e.g., EUV radiation lithography, using the pre-patterned templates. Also, methods are described for forming the templates. The materials for forming the templates are described.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: May 31, 2022
    Assignee: Inpria Corporation
    Inventors: Jason K. Stowers, Andrew Grenville
  • Patent number: 11332788
    Abstract: Embodiments provided herewith are directed to self-assembled methods of preparing a patterned surface for sequencing applications including, for example, a patterned flow cell or a patterned surface for digital fluidic devices. The methods utilize photolithography to create a patterned surface with a plurality of microscale or nanoscale contours, separated by hydrophobic interstitial regions, without the need of oxygen plasma treatment during the photolithography process. In addition, the methods avoid the use of any chemical or mechanical polishing steps after the deposition of a gel material to the contours.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: May 17, 2022
    Assignee: Illumina, Inc.
    Inventors: Yir-Shyuan Wu, Yan-You Lin, M. Shane Bowen, Cyril Delattre, Fabien Abeille, Tarun Khurana, Arnaud Rival, Poorya Sabounchi, Dajun Yuan, Maria Candelaria Rogert Bacigalupo
  • Patent number: 11333964
    Abstract: An organic compound represented by general formula (1) is a novel organic compound having an absorption band in the near infrared region, and is useful for infrared absorbing dyes, optical films, and organic electronic devices such as photoelectric conversion elements, wherein R1 to R18 each independently represent a hydrogen atom, an aryl group, a heteroaryl group, an alkyl group, a cycloalkyl group, a halogen atom, a hydroxy group, an alkoxy group, a mercapto group, an alkylthio group, a nitro group, a substituted amino group, an amide group, an acyl group, a carboxyl group, an acyloxy group, a cyano group, a sulfo group, a sulfamoyl group, an alkylsulfamoyl group, a carbamoyl group, or an alkylcarbamoyl group; and X represents a substituted or unsubstituted methine group, a silylidyne group, a germylidyne group, a stannylidyne group, a nitrogen atom, a phosphorus atom, an arsenic atom, or an antimony atom.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: May 17, 2022
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Tatsuya Aotake, Toshifumi Inouchi, Hidenori Yakushiji, Tatsuya Yamamoto
  • Patent number: 11333989
    Abstract: A toner containing a toner particle that contains a binder resin and a crystalline material, wherein, in measurement of powder dynamic viscoelasticity of the toner, when T(A)° C. is taken as an onset temperature for a storage elastic modulus E? obtained at a ramp rate of 20° C./min, EA?(100) Pa is taken as a storage elastic modulus at 100° C. obtained at a ramp rate of 20° C./min, and T(B)° C. is taken as an onset temperature for a storage elastic modulus E? obtained at a ramp rate of 5° C./min, T(A)?T(B) is 3.0° C. or less, T(A) is from 45.0° C. to 70.0° C., and EA?(100) is from 4.0×109 Pa to 6.5×109 Pa.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: May 17, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tomohiro Unno, Kosuke Fukudome, Ryo Nagata, Tetsuya Kinumatsu, Mariko Yamashita
  • Patent number: 11320755
    Abstract: A brilliant developer contains a metallic pigment containing pigment particles, a binder resin, and an external additive. A percentage of the pigment particles not less than 2 ?m and not more than 4 ?m in a volume particle size distribution of a residue separated from a mixture obtained by dissolving the brilliant developer in tetrahydrofuran after removing the external additive from the brilliant developer is not less than 21.5% and not more than 25.3%.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: May 3, 2022
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Karin Nakahara