Patents by Inventor Tomonori Ogawa

Tomonori Ogawa 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: 20220024803
    Abstract: A glass plate has a dielectric dissipation factor at 10 GHz of tan ?A and a glass transition temperature of Tg° C. The glass plate satisfies (tan ?100?tan ?A)?0.0004, where tan ?100 is a dielectric dissipation factor of the glass plate at 10 GHz after having been heated to (Tg+50)° C. and then cooled to (Tg?150)° C. at 100° C./min.
    Type: Application
    Filed: October 4, 2021
    Publication date: January 27, 2022
    Applicant: AGC Inc.
    Inventors: Hiroyuki HIJIYA, Yutaka KUROIWA, Kazutaka ONO, Tomonori OGAWA, Yusaku MATSUO
  • Patent number: 10556997
    Abstract: A cross-linked rubber product is obtained by cross-linking an acrylic elastomer composition containing an acrylic elastomer obtained by copolymerization of an acrylate and a cross-linking site monomer. The molar fraction of an oxygen atom (a) in the acrylic elastomer is 11.3 mol % or less, the molar fraction of a nitrogen atom (b) in the acrylic elastomer is 0.5 mol % or less, and a volume change is from ?3 to 6% when the cross-linked rubber product is dipped in distilled water at 80° C. for 200 hours.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: February 11, 2020
    Assignee: ZEON CORPORATION
    Inventors: Nobuyoshi Emori, Tomonori Ogawa, Takanori Arakawa
  • Publication number: 20180030216
    Abstract: A cross-linked rubber product is obtained by cross-linking an acrylic elastomer composition containing an acrylic elastomer obtained by copolymerization of an acrylate and a cross-linking site monomer. The molar fraction of an oxygen atom (a) in the acrylic elastomer is 11.3 mol % or less, the molar fraction of a nitrogen atom (b) in the acrylic elastomer is 0.5 mol % or less, and a volume change is from ?3 to 6% when the cross-linked rubber product is dipped in distilled water at 80° C. for 200 hours.
    Type: Application
    Filed: February 23, 2016
    Publication date: February 1, 2018
    Applicant: Zeon Corporation
    Inventors: Nobuyoshi EMORI, Tomonori OGAWA, Takanori ARAKAWA
  • Patent number: 9840572
    Abstract: An acrylic rubber contains (a) methyl methacrylate units, (b) ethyl acrylate units, (c) n-butyl acrylate units, (d) 2-methoxyethyl acrylate units, and (e) cross-linking site monomer units, in which the acrylic rubber contains 10 to 20% by weight of (a) the methyl methacrylate units, 15% by weight or less of (b) the ethyl acrylate units, 60 to 80% by weight of (c) the n-butyl acrylate units, 10 to 30% by weight of (d) the 2-methoxyethyl acrylate units, and 0.5 to 5% by weight of (e) the cross-linking site monomer units.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: December 12, 2017
    Assignees: ZEON CORPORATION, HONDA MOTOR CO., LTD
    Inventors: Nobuyoshi Emori, Tomonori Ogawa, Takanori Arakawa, Takayuki Kogure, Kazutaka Yokoyama, Ryosuke Kodaira
  • Publication number: 20170121439
    Abstract: An acrylic rubber contains (a) methyl methacrylate units, (b) ethyl acrylate units, (c) n-butyl acrylate units, (d) 2-methoxyethyl acrylate units, and (e) cross-linking site monomer units, in which the acrylic rubber contains 10 to 20% by weight of (a) the methyl methacrylate units, 15% by weight or less of (b) the ethyl acrylate units, 60 to 80% by weight of (c) the n-butyl acrylate units, 10 to 30% by weight of (d) the 2-methoxyethyl acrylate units, and 0.5 to 5% by weight of (e) the cross-linking site monomer units.
    Type: Application
    Filed: July 3, 2015
    Publication date: May 4, 2017
    Applicants: ZEON CORPORATION, HONDA MOTOR CO., LTD.
    Inventors: Nobuyoshi EMORI, Tomonori OGAWA, Takanori ARAKAWA, Takayuki KOGURE, Kazutaka YOKOYAMA, Ryosuke KODAIRA
  • Publication number: 20150306814
    Abstract: The present invention relates to an imprint mold containing a transfer surface and a concave-convex pattern and an imprint method using the imprint mold, in which the concave-convex pattern contains at least one groove formed on the transfer surface, the groove has a side wall part and a bottom wall part, and an angle between the side wall part and the transfer surface is larger than 90° and 96° or smaller.
    Type: Application
    Filed: April 27, 2015
    Publication date: October 29, 2015
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Tomonori OGAWA, Ryu TOMINAGA
  • Publication number: 20150087754
    Abstract: A condensed heterocyclic compound which is shown by the following formula (I) and a composition containing an (a) organic material and (b) at least one type of the condensed heterocyclic compound are provided. (Y indicates a chemical single bond, —S(?O)—, or —SO2—. Ra and Rb indicate substitutable C1 to C30 organic groups. Za and Zb indicate chemical single bonds or —SO2—. X1 and X2 indicate hydrogen atoms etc. n and m respectively independently indicate integers of 0 to 2, where one of n and m is not 0).
    Type: Application
    Filed: December 4, 2014
    Publication date: March 26, 2015
    Applicant: ZEON CORPORATION
    Inventors: Kei SAKAMOTO, Satoshi KIRIKI, Tomonori OGAWA, Masanobu SHINOHARA
  • Patent number: 8937121
    Abstract: A condensed heterocyclic compound which is shown by the following formula (I) and a composition containing an (a) organic material and (b) at least one type of the condensed heterocyclic compound are provided. (Y indicates a chemical single bond, —S(?O)—, or —SO2—. Ra and Rb indicate substitutable C1 to C30 organic groups. Za and Zb indicate chemical single bonds or —SO2—. X1 and X2 indicate hydrogen atoms etc. n and m respectively independently indicate integers of 0 to 2, where one of n and m is not 0).
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: January 20, 2015
    Assignee: Zeon Corporation
    Inventors: Kei Sakamoto, Satoshi Kiriki, Tomonori Ogawa, Masanobu Shinohara
  • Patent number: 8883888
    Abstract: There are provided a novel diarylamine compound represented by the following formula (I), (II) or (III), which has at least one signal attributable to the hydrogen of the N—H moiety at 8.30 ppm to 9.00 ppm when a deuterated dimethyl sulfoxide solution of the diarylamine compound is analyzed by 1H-NMR; and an aging inhibitor, a polymer composition, a crosslinked rubber product and a molded article thereof, and a method of producing a diarylamine compound. In the formulas, A1 to A6 each represent an aromatic group which may have a substituent; A represents an aromatic group or a cyclic aliphatic group, which may both have a substituent; L represents 1 or 2; and n represents 0 or 1.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: November 11, 2014
    Assignee: Zeon Corporation
    Inventors: Kei Sakamoto, Tomonori Ogawa, Satoshi Kiriki, Masanobu Shinohara, Yasushi Nakano
  • Patent number: 8735308
    Abstract: The present invention relates to an optical member including a TiO2-containing silica glass having: a TiO2 concentration of from 3 to 10% by mass; a Ti3+ concentration of 100 wt ppm or less; a thermal expansion coefficient at from 0 to 100° C., CTE0-100, of 0±150 ppb/° C.; and an internal transmittance in the wavelength range of 400 to 700 nm per a thickness of 1 mm, T400-700, of 80% or more, in which the optical member has a ratio of variation of Ti3+ concentration to an average value of the Ti3+ concentration, ?Ti3+/Ti3+, on an optical use surface, is 0.2 or less.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: May 27, 2014
    Assignee: Asahi Glass Company, Limited
    Inventors: Akio Koike, Chikaya Tamitsuji, Kunio Watanabe, Tomonori Ogawa
  • Patent number: 8609753
    Abstract: An acrylic rubber composition which contains, with respect to 100 parts by weight of acrylic rubber, a compound which is expressed by the following general formula (1) in 0.1 to 50 parts by weight and a cross-linking agent in 0.05 to 20 parts by weight is provided. (where, in said general formula (1), Y indicates a chemical single bond or —SO2—. Ra and Rb respectively independently indicate substitutable C1 to C30 organic groups. Za and Zb respectively independently indicate chemical single bonds or —SO2—. n and m respectively independently are 0 or 1, at least one of n and m being 1).
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: December 17, 2013
    Assignee: Zeon Corporation
    Inventors: Tomonori Ogawa, Masanobu Shinohara, Tsutomu Yoshimura, Kei Sakamoto, Satoshi Kiriki
  • Publication number: 20130316890
    Abstract: The present invention relates to a method for producing a silica glass body containing titania, containing: a flame hydrolysis step of feeding a silica (SiO2) precursor and a titania (TiO2) precursor into an oxyhydrogen flame and causing a hydrolysis reaction in the flame to form silica glass fine particles containing titania, in which in the flame hydrolysis step, a reaction rate of the hydrolysis reaction of the silica precursor is 80% or more.
    Type: Application
    Filed: July 31, 2013
    Publication date: November 28, 2013
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Junko MIYASAKA, Tomonori Ogawa, Masahiro Kawagishi, Masaaki Takata
  • Patent number: 8590342
    Abstract: The present invention relates to a process for production of a TiO2—SiO2 glass body, comprising a step of, when an annealing point of a TiO2—SiO2 glass body after transparent vitrification is taken as T1(° C.), holding the glass body after transparent vitrification in a temperature region of from T1?90(° C.) to T1?220(° C.) for 120 hours or more.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: November 26, 2013
    Assignee: Asahi Glass Company, Limited
    Inventors: Akio Koike, Takahiro Mitsumori, Yasutomi Iwahashi, Tomonori Ogawa
  • Patent number: 8567214
    Abstract: The present invention relates to a method for producing a glass body containing: hydrolyzing a silicon compound and a compound containing a metal serving as a dopant, in a flame projected from a burner to form glass fine particles; and depositing and growing the formed glass fine particles on a base material, in which a raw material mixed gas containing a gas of the silicon compound, a gas of the compound containing a metal serving as a dopant, and either one of a combustible gas and a combustion supporting gas is fed into a central nozzle (A) positioning in the center of the burner; the other gas of the combustible gas and the combustion supporting gas is fed into a nozzle (B) different from the central nozzle (A) of the burner; a combustible gas or a combustion supporting gas is arbitrarily fed into a nozzle different from the nozzles (A) and (B); and a flow rate of the raw material mixed gas is 50% or more and not more than 90% of the largest flow rate among flow rate(s) of the combustible gas(ses) and the
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: October 29, 2013
    Assignee: Asahi Glass Company, Limited
    Inventors: Junko Miyasaka, Akio Koike, Tomonori Ogawa, Masahiro Kawagishi
  • Publication number: 20130276480
    Abstract: The present invention relates to a process for production of a TiO2—SiO2 glass body, comprising: a step of, when an annealing point of a TiO2—SiO2 glass body after transparent vitrification is taken as T1 (° C.), heating the glass body after transparent vitrification at a temperature of T1+400° C. or more for 20 hours or more; and a step of cooling the glass body after the heating step up to T1?400 (° C.) from T1 (° C.) in an average temperature decreasing rate of 10° C./hr or less.
    Type: Application
    Filed: June 20, 2013
    Publication date: October 24, 2013
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Akio KOIKE, Takahiro Mitsumori, Yasutomi Iwahashi, Tomonori Ogawa
  • Patent number: 8546283
    Abstract: The present invention relates to a substrate for EUV lithography optical member, comprising a silica glass containing TiO2, in which the substrate has two opposite surfaces, and the substrate has temperatures at which a coefficient of linear thermal expansion (CTE) is 0 ppb/° C. (Cross-Over Temperature: COT), and in which the two opposite surfaces have difference in the COTs of 5° C. or more.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: October 1, 2013
    Assignee: Asahi Glass Company, Limited
    Inventors: Junko Miyasaka, Akio Koike, Tomonori Ogawa
  • Patent number: 8498056
    Abstract: The present invention provides a synthetic silica glass for an optical member in which not only a fast axis direction in an optical axis direction is controlled, and a birefringence in an off-axis direction is reduced, but a magnitude of a birefringence in the optical axis direction is controlled to an arbitrary value, such that an average value of a value BR cos2?xy defined from a birefringence BR and a fast axis direction ?xy as measured from a parallel direction to the principal optical axis direction is defined as an average birefringence AveBR cos2?xy, and when a maximum value of a birefringence measured from a vertical direction to the principal optical axis direction of the optical member is defined as a maximum birefringence BRmax in an off-axis direction, the following expression (1-1) and expression (2-1) are established: ?1.0?AveBR cos2?xy<0.0??(1-1) 0.0?BRmax?1.0??(2-1).
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: July 30, 2013
    Assignee: Asahi Glass Company, Limited
    Inventors: Masaaki Takata, Long Shao, Kei Iwata, Tomonori Ogawa
  • Publication number: 20120302674
    Abstract: An acrylic rubber composition which contains, with respect to 100 parts by weight of acrylic rubber, a compound which is expressed by the following general formula (1) in 0.1 to 50 parts by weight and a cross-linking agent in 0.05 to 20 parts by weight is provided. (where, in said general formula (1), Y indicates a chemical single bond or —SO2—. Ra and Rb respectively independently indicate substitutable C1 to C30 organic groups. Za and Zb respectively independently indicate chemical single bonds or —SO2—.
    Type: Application
    Filed: January 28, 2011
    Publication date: November 29, 2012
    Inventors: Tomonori Ogawa, Masanobu Shinohara, Tsutomu Yoshimura, Kei Sakamoto, Satoshi Kiriki
  • Publication number: 20120302675
    Abstract: A condensed heterocyclic compound which is shown by the following formula (I) and a composition containing an (a) organic material and (b) at least one type of the condensed heterocyclic compound are provided. (Y indicates a chemical single bond, —S(?O)—, or —SO2—. Ra and Rb indicate substitutable C1 to C30 organic groups. Za and Zb indicate chemical single bonds or —SO2—. X1 and X2 indicate hydrogen atoms etc. n and m respectively independently indicate integers of 0 to 2, where one of n and m is not 0).
    Type: Application
    Filed: January 28, 2011
    Publication date: November 29, 2012
    Inventors: Kei Sakamoto, Satoshi Kiriki, Tomonori Ogawa, Masanobu Shinohara
  • Publication number: 20120264584
    Abstract: The present invention relates to a substrate for EUV lithography optical member, comprising a silica glass containing TiO2, in which the substrate has two opposite surfaces, and the substrate has temperatures at which a coefficient of linear thermal expansion (CTE) is 0 ppb/° C. (Cross-Over Temperature: COT), and in which the two opposite surfaces have difference in the COTs of 5° C. or more.
    Type: Application
    Filed: June 25, 2012
    Publication date: October 18, 2012
    Applicant: Asahi Glass Company, Limited
    Inventors: Junko Miyasaka, Akio Koike, Tomonori Ogawa