Patents by Inventor Aya Aoki

Aya Aoki 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: 20210023260
    Abstract: The application discloses a composition for hard tissue repair comprising a monomer (A), a polymer powder (B) and a polymerization initiator (C), wherein the polymer powder (B) comprises a polymer powder (B-x) having an aspect ratio of 1.10 or more, and the cumulative ratio of powder particles having aspect ratios of 1.00 or more and less than 1.10 in all of the powder particles contained in the composition for hard tissue repair is 75 cumulative % or less, as well as, a kit for hard tissue repair comprising three or more members, in which each of the components of the monomer (A), the polymer powder (B) and the polymerization initiator (C) contained in this composition for hard tissue repair are divided and contained in the members in an optional combination.
    Type: Application
    Filed: March 5, 2019
    Publication date: January 28, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shinya AOKI, Jingjing YANG, Aya NAKAGAWA, Kengo GOTO, Takashi MIURA, Ayako BANDO
  • Publication number: 20190390076
    Abstract: A dispersion contains, as essential ingredients, light-emitting nanocrystals, a polymeric dispersant having an amine value of 5 mg/KOH g or more, and a stimulation-responsive curable material that cures in response to an external stimulus.
    Type: Application
    Filed: December 21, 2017
    Publication date: December 26, 2019
    Applicant: DIC Corporation
    Inventors: Takeshi Isonaka, Yasuo Umezu, Hidehiko Yamaguchi, Yoshio Aoki, Hirotomo Sasaki, Sunao Yoshihara, Takayuki Miki, Aya Ishizuka, Takeo Kizaki
  • Patent number: 10138440
    Abstract: A shock absorber oil composition of the invention includes a base oil: (A) at least one of phosphate, amine phosphate salt, phosphite and amine phosphite salt; (B) an amide compound; and (C) a primary amine.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: November 27, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Aya Aoki
  • Patent number: 9745536
    Abstract: The lubricating oil composition for a shock absorber of the present invention contains (A) a base oil composed of a mineral oil and/or a synthetic oil, (B) a tertiary amine represented by the following general formula (I), and (C) a zinc dithiophosphate represented by the following general formula (II): wherein R1 and R2 each independently represent an aliphatic hydrocarbon group having from 1 to 5 carbon atoms, and R3 represents an aliphatic hydrocarbon group having from 12 to 24 carbon atoms in the general formula (I), wherein R4 to R7 each independently represent one selected from an alkyl group and an alkenyl group each having 1 to 24 carbon atoms in the general formula (II).
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: August 29, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi Sakanoue, Aya Aoki
  • Patent number: 9745534
    Abstract: A shock absorber oil composition of the invention includes a base oil: (A) at least one of phosphate, amine phosphate salt, phosphite and amine phosphite salt; (B) an amide compound; and (C) an N-substituted derivative of sarcosine.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: August 29, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Aya Aoki
  • Patent number: 9695379
    Abstract: Provided is a lubricating oil composition for a shock absorber excellent in thermal stability and capable of reducing the friction factor for rubber. The lubricating oil composition for a shock absorber contains (A) a base oil composed of a mineral oil and/or a synthetic oil, (B) a zinc dithiophosphate represented by the following general formula (I), (C) a fatty acid amide and (D) a polyalcohol ester. In the formula, R1 to R4 each independently represent at least one selected from a linear, branched or cyclic alkyl group having from 6 to 20 carbon atoms and a linear, branched or cyclic alkenyl group having from 6 to 20 carbon atoms.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: July 4, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi Sakanoue, Aya Aoki
  • Patent number: 9688941
    Abstract: Provided is a lubricating oil composition for a shock absorber, which realizes excellent riding comfort in low-temperature and high-temperature environments and can suppress worsening of riding comfort with time, which is caused by evaporation and shearing of the lubricating oil. The lubricating oil composition for a shock absorber contains (A) a base oil having a pour point of lower than ?40° C. and a kinematic viscosity at 80° C. of from 2.0 to 2.7 mm2/s, (B-1) from 1 to 15% by mass of a polymethacrylate having a weight-average molecular weight of from 10,000 to less than 100,000, and (B-2) from 0.1 to 5% by mass of a polymethacrylate having a weight-average molecular weight of from 100,000 to 200,000.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: June 27, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi Sakanoue, Aya Aoki
  • Patent number: 9458405
    Abstract: A lubricating oil composition includes: a base oil; a component (A) that is a dialkyl hydrogen phosphite; a component (B) that is a sulfur antioxidant; and a component (C) that is a polyalkenyl succinimide. Since the lubricating oil composition of the invention exhibits an excellent lubricity to both iron metal and copper metal and an excellent heat stability, the lubricating oil composition of the invention is suitable for a shock absorber of an automobiles and the like.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: October 4, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi Sakanoue, Aya Aoki
  • Publication number: 20160230114
    Abstract: A shock absorber oil composition of the invention includes a base oil: (A) at least one of phosphate, amine phosphate salt, phosphite and amine phosphite salt; (B) an amide compound; and (C) a primary amine.
    Type: Application
    Filed: February 8, 2016
    Publication date: August 11, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Aya AOKI
  • Publication number: 20160194576
    Abstract: Provided is a lubricating oil composition for a shock absorber excellent in thermal stability and capable of reducing the friction factor for rubber. The lubricating oil composition for a shock absorber contains (A) a base oil composed of a mineral oil and/or a synthetic oil, (B) a zinc dithiophosphate represented by the following general formula (I), (C) a fatty acid amide and (D) a polyalcohol ester. In the formula, R1 to R4 each independently represent at least one selected from a linear, branched or cyclic alkyl group having from 6 to 20 carbon atoms and a linear, branched or cyclic alkenyl group having from 6 to 20 carbon atoms.
    Type: Application
    Filed: August 25, 2014
    Publication date: July 7, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi SAKANOUE, Aya AOKI
  • Publication number: 20160194578
    Abstract: Provided is a lubricating oil composition for a shock absorber, which realizes excellent riding comfort in low-temperature and high-temperature environments and can suppress worsening of riding comfort with time, which is caused by evaporation and shearing of the lubricating oil. The lubricating oil composition for a shock absorber contains (A) a base oil having a pour point of lower than ?40° C. and a kinematic viscosity at 80° C. of from 2.0 to 2.7 mm2/s, (B-1) from 1 to 15% by mass of a polymethacrylate having a weight-average molecular weight of from 10,000 to less than 100,000, and (B-2) from 0.1 to 5% by mass of a polymethacrylate having a weight-average molecular weight of from 100,000 to 200,000.
    Type: Application
    Filed: August 25, 2014
    Publication date: July 7, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi SAKANOUE, Aya AOKI
  • Publication number: 20160186090
    Abstract: The lubricating oil composition for a shock absorber of the present invention contains (A) a base oil composed of a mineral oil and/or a synthetic oil, (B) a tertiary amine represented by the following general formula (I), and (C) a zinc dithiophosphate represented by the following general formula (II): wherein R1 and R2 each independently represent an aliphatic hydrocarbon group having from 1 to 5 carbon atoms, and R3 represents an aliphatic hydrocarbon group having from 12 to 24 carbon atoms in the general formula (I), wherein R4 to R7 each independently represent one selected from an alkyl group and an alkenyl group each having 1 to 24 carbon atoms in the general formula (II).
    Type: Application
    Filed: August 25, 2014
    Publication date: June 30, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi SAKANOUE, Aya AOKI
  • Publication number: 20160152918
    Abstract: A shock absorber oil composition of the invention includes a base oil: (A) at least one of phosphate, amine phosphate salt, phosphite and amine phosphite salt; (B) an amide compound; and (C) an N-substituted derivative of sarcosine.
    Type: Application
    Filed: February 3, 2016
    Publication date: June 2, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Aya AOKI
  • Publication number: 20150240182
    Abstract: A lubricating oil composition includes: a base oil; a component (A) that is a dialkyl hydrogen phosphite; a component (B) that is a sulfur antioxidant; and a component (C) that is a polyalkenyl succinimide. Since the lubricating oil composition of the invention exhibits an excellent lubricity to both iron metal and copper metal and an excellent heat stability, the lubricating oil composition of the invention is suitable for a shock absorber of an automobiles and the like.
    Type: Application
    Filed: August 19, 2013
    Publication date: August 27, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi Sakanoue, Aya Aoki
  • Publication number: 20150184107
    Abstract: To provide a shock absorber lubricating oil composition which realizes such a lubricity between rubber and chromium; i.e., materials generally employed in oil seals and piston rods of shock absorbers, that the low-speed-side friction coefficient is low; the high-speed-side friction coefficient is high; and the ratio of the low-speed-side friction coefficient to the high-speed-side friction coefficient is small. The shock absorber lubricating oil composition includes (A) a base oil composed of a mineral oil and/or a synthetic oil, and (B) a dithiophosphate ester represented by formula (1).
    Type: Application
    Filed: July 11, 2013
    Publication date: July 2, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi Sakanoue, Aya Aoki
  • Publication number: 20150018257
    Abstract: A shock absorber oil composition of the invention includes a base oil: (A) at least one of phosphate, amine phosphate salt, phosphite and amine phosphite salt; (B) an amide compound; and (C) an N-substituted derivative of sarcosine.
    Type: Application
    Filed: December 13, 2012
    Publication date: January 15, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Aya Aoki
  • Publication number: 20140378358
    Abstract: A shock absorber oil composition of the invention includes a base oil: (A) at least one of phosphate, amine phosphate salt, phosphite and amine phosphite salt; (B) an amide compound; and (C) a primary amine.
    Type: Application
    Filed: December 13, 2012
    Publication date: December 25, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Aya Aoki