Patents by Inventor Akinori Yomogita

Akinori Yomogita 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: 20230122943
    Abstract: A lubricating oil composition containing a base oil (A), a comb-shaped polymer (B), and an olefin-based copolymer (C), wherein a content of the component (B) is more than 0.80 mass % based on the total amount of the lubricating oil composition, a weight average molecular weight of the component (C) is 500,000 or more, and the lubricating oil composition has a viscosity index of 200 or more and a kinematic viscosity at 100° C. of 9.3 to 11.0 mm2/s.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 20, 2023
    Applicant: Idemitsu Kosan Co.,Ltd.
    Inventor: Akinori YOMOGITA
  • Publication number: 20230122231
    Abstract: A lubricating oil composition may include a base oil (A), succinimide (B) which has not been modified with boron, succinimide (C) modified with boron, a metallic detergent (D), and an antioxidant (E), wherein the ratio of the content of boron atoms derived from ingredient (C) to the content of nitrogen atoms derived from ingredients (B) and (C), B/N, is 0.30 or less by mass, the lubricating oil composition satisfying requirement (I) and/or requirement (II). Requirement (I): Ingredient (D) includes a metallic detergent (D1) having a base value less than 100 mgKOH/g. Requirement (II): Ingredient (E) includes an amine-based antioxidant (E1), the content of ingredient (E1) being 1.00 mass % or less.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 20, 2023
    Applicant: Idemitsu Kosan Co.,Ltd.
    Inventor: Akinori YOMOGITA
  • Patent number: 11035015
    Abstract: A vapor film-rupturing agent is provided that is prepared from asphalt as a staring material, so as to have a fraction (x) (% by mass) of a saturated component and a fraction (y) (% by mass) of an asphaltene component based on the total fraction 100% by mass of the saturated component, the asphaltene component, an aromatic component, and a resin component obtained by any one of analysis methods described in the Japan Petroleum Institute Standard and Manuals Testing Method for Petroleum Products JPI-5S-70-10 and the British Standard Test Method IP-469 that satisfy one or more of the following conditions (1) to (3): condition (1): 1.2926×(x)/100?8.113×(y)/100+2.3384?2.400, condition (2): (y)?7.0, and condition (3): ((y)/(x))?0.5. The vapor film-rupturing agent is capable of preparing a thermal treatment oil composition having a high vapor film-rupturing effect with a characteristic number of seconds in the cooling capability test according to JIS K2242 (2012) of 2.50 seconds or less.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: June 15, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yukio Yoshida, Hideaki Hattori, Akinori Yomogita
  • Patent number: 10038143
    Abstract: Provided are a polymer compound, which comprises a copolymer containing at least a unit B, and a unit A and/or a unit C referring to repeating units A, B and C, and which has a weight-average molecular weight of from 50,000 to 1,500,000; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; an organic electroluminescent device having an anode, a cathode and an organic thin film layer, wherein at least one organic thin film layer contains the polymer compound; a coating liquid containing the polymer compound and a solvent; and a method for producing an organic electroluminescent device using the coating liquid. Also provided is a polymer compound suitable to a coating method; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; and an organic EL device, a coating liquid and a method for producing an organic EL device using the compound.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: July 31, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Hidetoshi Ono, Hironori Kawakami, Shigeru Matsuo, Kiyoshi Ikeda, Masahide Matsuura, Akinori Yomogita, Mitsunori Ito
  • Patent number: 9923141
    Abstract: A polymer including a structural unit represented by the following formula (A). In the formula (A), P is independently a group represented by the following formula (P), a is an integer of 2 to 5, and b is an integer of 0 to 5. In the formula (P), A is independently a nitrogen atom or CR; X is a single bond, O, S, C(R)2 or NR. R is independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms or the like, or a single bond used for bonding to another P or L, provided that at least one R contained in (P)a is represented by any one of the following formulas (3) to (7).
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: March 20, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Akinori Yomogita, Hironori Kawakami, Masami Watanabe, Kiyoshi Ikeda, Masahiro Kawamura, Nobuhiro Yabunouchi, Tomoki Kato
  • Patent number: 9917273
    Abstract: A polymer including structural units represented by the following formulas (A) and (B). In the formula (A), P is a group derived from a compound represented by the formula (P). L1 is a linkage group. In the formula (B), Q is a group derived from a compound represented by the formula (Q). L2 is a linkage group. In the formula (B), at least one of “c”Qs and “d”L2s includes a cross-linkable group.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: March 13, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Akinori Yomogita, Hironori Kawakami, Masami Watanabe, Kiyoshi Ikeda, Masahiro Kawamura, Nobuhiro Yabunouchi, Tomoki Kato
  • Publication number: 20180010203
    Abstract: A vapor film-rupturing agent is provided that is prepared from asphalt as a staring material, so as to have a fraction (x) (% by mass) of a saturated component and a fraction (y) (% by mass) of an asphaltene component based on the total fraction 100% by mass of the saturated component, the asphaltene component, an aromatic component, and a resin component obtained by any one of analysis methods described in the Japan Petroleum Institute Standard and Manuals Testing Method for Petroleum Products JPI-5S-70-10 and the British Standard Test Method IP-469 that satisfy one or more of the following conditions (1) to (3): condition (1): 1.2926×(x)/100?8.113×(y)/100+2.3384?2.400, condition (2): (y) ?7.0, and condition (3): ((y)/(x)) ?0.5. The vapor film-rupturing agent is capable of preparing a thermal treatment oil composition having a high vapor film-rupturing effect with a characteristic number of seconds in the cooling capability test according to JIS K2242 (2012) of 2.50 seconds or less.
    Type: Application
    Filed: January 19, 2016
    Publication date: January 11, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yukio YOSHIDA, Hideaki HATTORI, Akinori YOMOGITA
  • Patent number: 9847490
    Abstract: Provided are a copolymer having plural repeating units each having a specific structure, and having a weight-average molecular weight of from 100,000 to 3,000,000; a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer; a solution containing the copolymer and a solvent; and an organic electroluminescent device using the material for organic electroluminescent devices. The copolymer has not only charge transporting properties but also solubility and is suitable for forming a film according to a coating method. The present invention provides the copolymer, and a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer, an organic electroluminescent device, and a solution containing the copolymer.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: December 19, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Akinori Yomogita, Shigeru Matsuo, Hidetoshi Ono, Kiyoshi Ikeda, Hironori Kawakami, Masahide Matsuura, Mitsunori Ito
  • Patent number: 9527814
    Abstract: An aromatic amine derivative represented by the following formula (1), wherein L is a linking group, Z is a group represented by the following formula (2) and A1 and A2 are independently a monovalent group represented by the following formula (3):
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: December 27, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Mitsuru Eida, Masami Watanabe, Akinori Yomogita, Takushi Shiomi
  • Patent number: 9508939
    Abstract: A compound represented by the following formula (1): wherein in the formula, L1 is a single bond or a linking group, A is a group represented by the following formula (A), B is a group represented by the following formula (B), m is an integer of 1 to 3, and n is an integer of 1 to 4.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: November 29, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi Ikeda, Akinori Yomogita, Masahiro Kawamura, Hidetoshi Ono
  • Patent number: 9425402
    Abstract: A polymerizable monomer represented by the following formula (1) wherein at least one of Ar1 to Ar3 is substituted by a group represented by the following formula (2) and which is substituted by one or more groups comprising a polymerizable functional group. Ar1 to Ar3 are a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms, Ar6 is a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms and Ar4 and Ar5 are a substituted or unsubstituted arylene group having 6 to 40 ring carbon atoms.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: August 23, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Mitsuru Eida, Nobuhiro Yabunouchi, Yumiko Mizuki, Masami Watanabe, Akinori Yomogita
  • Publication number: 20160172604
    Abstract: A compound represented by the following formula (1): wherein in the formula, L1 is a single bond or a linking group, A is a group represented by the following formula (A), B is a group represented by the following formula (B), m is an integer of 1 to 3, and n is an integer of 1 to 4.
    Type: Application
    Filed: July 23, 2014
    Publication date: June 16, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi IKEDA, Akinori YOMOGITA, Masahiro KAWAMURA, Hidetoshi ONO
  • Publication number: 20150280131
    Abstract: Provided are a copolymer having plural repeating units each having a specific structure, and having a weight-average molecular weight of from 100,000 to 3,000,000; a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer; a solution containing the copolymer and a solvent; and an organic electroluminescent device using the material for organic electroluminescent devices. The copolymer has not only charge transporting properties but also solubility and is suitable for forming a film according to a coating method. The present invention provides the copolymer, and a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer, an organic electroluminescent device, and a solution containing the copolymer.
    Type: Application
    Filed: October 2, 2013
    Publication date: October 1, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Akinori Yomogita, Shigeru Matsuo, Hidetoshi Ono, Kiyoshi Ikeda, Hironori Kawakami, Masahide Matsuura, Mitsunori Ito
  • Publication number: 20150249215
    Abstract: Provided are a polymer compound, which comprises a copolymer containing at least a unit B, and a unit A and/or a unit C referring to repeating units A, B and C, and which has a weight-average molecular weight of from 50,000 to 1,500,000; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; an organic electroluminescent device having an anode, a cathode and an organic thin film layer, wherein at least one organic thin film layer contains the polymer compound; a coating liquid containing the polymer compound and a solvent; and a method for producing an organic electroluminescent device using the coating liquid. Also provided is a polymer compound suitable to a coating method; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; and an organic EL device, a coating liquid and a method for producing an organic EL device using the compound.
    Type: Application
    Filed: September 13, 2013
    Publication date: September 3, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hidetoshi Ono, Hironori Kawakami, Shigeru Matsuo, Kiyoshi Ikeda, Masahide Matsuura, Akinori Yomogita, Mitsunori Ito
  • Publication number: 20150214491
    Abstract: A novel aromatic heterocyclic derivative has a specific structure in its molecule which combines a hole transporting ability and an electron transporting ability. The aromatic heterocyclic derivative is used in a material for an organic electroluminescence device, a solution of a material for an organic electroluminescence device, and an organic electroluminescence device.
    Type: Application
    Filed: September 6, 2013
    Publication date: July 30, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi Ikeda, Hironori Kawakami, Akinori Yomogita, Mitsunori Ito
  • Publication number: 20150084031
    Abstract: A polymerizable monomer represented by the following formula (1) wherein at least one of Ar1 to Ar3 is substituted by a group represented by the following formula (2) and which is substituted by one or more groups comprising a polymerizable functional group. Ar1 to Ar3 are a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms, Ar6 is a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms and Ar4 and Ar5 are a substituted or unsubstituted arylene group having 6 to 40 ring carbon atoms.
    Type: Application
    Filed: December 2, 2014
    Publication date: March 26, 2015
    Inventors: Mitsuru EIDA, Nobohiro YABUNOUCHI, Yumiko MIZUKI, Masami WATANABE, Akinori YOMOGITA
  • Publication number: 20140299855
    Abstract: A polymer including a structural unit represented by the following formula (A). In the formula (A), P is independently a group represented by the following formula (P), a is an integer of 2 to 5, and b is an integer of 0 to 5. In the formula (P), A is independently a nitrogen atom or CR; X is a single bond, O, S, C(R)2 or NR. R is independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms or the like, or a single bond used for bonding to another P or L, provided that at least one R contained in (P)a is represented by any one of the following formulas (3) to (7).
    Type: Application
    Filed: October 16, 2012
    Publication date: October 9, 2014
    Inventors: Akinori Yomogita, Hironori Kawakami, Masami Watanabe, Kiyoshi Ikeda, Masahiro Kawamura, Nobuhiro Yabunouchi, Tomoki Kato
  • Publication number: 20140231771
    Abstract: A polymer including structural units represented by the following formulas (A) and (B). In the formula (A), P is a group derived from a compound represented by the formula (P). L1 is a linkage group. In the formula (B), Q is a group derived from a compound represented by the formula (Q). L2 is a linkage group. In the formula (B), at least one of “c”Qs and “d”L2s includes a cross-linkable group.
    Type: Application
    Filed: October 12, 2012
    Publication date: August 21, 2014
    Inventors: Akinori Yomogita, Hironori Kawakami, Masami Watanabe, Kiyoshi Ikeda, Masahiro Kawamura, Nobuhiro Yabunouchi, Tomoki Kato
  • Publication number: 20120187391
    Abstract: An aromatic amine derivative represented by the following formula (1), wherein L is a linking group, Z is a group represented by the following formula (2) and A1 and A2 are independently a monovalent group represented by the following formula (3):
    Type: Application
    Filed: February 15, 2011
    Publication date: July 26, 2012
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Mitsuru Eida, Masami Watanabe, Akinori Yomogita, Takushi Shiomi
  • Publication number: 20110315964
    Abstract: A polymerizable monomer represented by the following formula (1) wherein at least one of Ar1 to Ar3 is substituted by a group represented by the following formula (2) and which is substituted by one or more groups comprising a polymerizable functional group. Ar1 to Ar3 are a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms, Ar6 is a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms and Ar4 and Ar5 are a substituted or unsubstituted arylene group having 6 to 40 ring carbon atoms.
    Type: Application
    Filed: March 5, 2010
    Publication date: December 29, 2011
    Inventors: Mitsuru Eida, Nobuhiro Yabunouchi, Yumiko Mizuki, Masami Watanabe, Akinori Yomogita