Patents by Inventor Yuji Hagiwara

Yuji Hagiwara 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: 20240073390
    Abstract: An image processing device includes a memory and a processor configured to separate first image data obtained by an image sensor having a Bayer arrangement, into second image data that includes brightness information, and third image data that includes color information and has a lower resolution than the first image data and the second image data, wherein a pixel arrangement of the third image data includes two pixels in each of a horizontal direction and a vertical direction, among which two pixels on one diagonal are of a same type, two pixels on another diagonal are of types different from each other, and the two pixels on said another diagonal are of the types different from the two pixels on the one diagonal.
    Type: Application
    Filed: August 22, 2023
    Publication date: February 29, 2024
    Inventors: Yuji UMEZU, Soichi HAGIWARA
  • Patent number: 10563149
    Abstract: A conductive lubricating oil composition including at least one lubricating base oil selected from the group consisting of compounds represented by the following General Formula (1) and compounds represented by the following General Formula (2), and at least one conductivity imparting agent selected from the group consisting of potassium trifluoromethanesulfonate, lithium trifluoromethanesulfonate, lithium nonafluorobutanesulfonate, lithium bis(trifluoromethanesulfonyl)imide, potassium bis(trifluoromethanesulfonyl)imide, and lithium tris(trifluoromethanesulfonyl)methide, in an amount of from 0.01% by mass to 1% by mass, and having a rate of change in conductivity after storage at 120° C. for 200 hours of 10% or less. The definitions of R1, R2, m and n in the formulae are as indicated in the specification. Cases of m?n=2 are excluded.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: February 18, 2020
    Assignees: Cosmo Oil Lubricants Co., Ltd., Nidec Corporation
    Inventors: Ryuji Terauchi, Yuji Hagiwara
  • Patent number: 10280382
    Abstract: The invention provides a lubricating oil for fluid dynamic bearing including as a base oil a monoester oil free of unsaturated bond, and having an absolute viscosity of 2.0 to 3.0 mPa·s at 100° C. a viscosity index of 130 or more and a pour point of ?20° C. or less.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: May 7, 2019
    Assignees: KYODO YUSHI CO., LTD., NIDEC CORPORATION
    Inventors: Iwaki Hirooka, Takayuki Oe, Sayuri Tsubata, Yuji Hagiwara
  • Publication number: 20190119598
    Abstract: A conductive lubricating oil composition including at least one lubricating base oil selected from the group consisting of compounds represented by the following General Formula (1) and compounds represented by the following General Formula (2), and at least one conductivity imparting agent selected from the group consisting of potassium trifluoromethanesulfonate, lithium trifluoromethanesulfonate, lithium nonafluorobutanesulfonate, lithium bis(trifluoromethanesulfonyl)imide, potassium bis(trifluoromethanesulfonyl)imide, and lithium tris(trifluoromethanesulfonyl)methide, in an amount of from 0.01% by mass to 1% by mass, and having a rate of change in conductivity after storage at 120° C. for 200 hours of 10% or less. The definitions of R1, R2, m and n in the formulae are as indicated in the specification. Cases of m?n=2 are excluded.
    Type: Application
    Filed: October 16, 2018
    Publication date: April 25, 2019
    Inventors: Ryuji Terauchi, Yuji Hagiwara
  • Patent number: 9488914
    Abstract: Disclosed is a fluorine-containing sulfonic acid salt resin having a repeating unit represented by the following general formula (3). In the formula, each A independently represents a hydrogen atom, a fluorine atom or a trifluoromethyl group, and n represents an integer of 1-10. W represents a bivalent linking group, R01 represents a hydrogen atom or a monovalent organic group, and M+ represents a monovalent cation. A resist composition containing this resin is further superior in sensitivity, resolution and reproducibility of mask pattern and is capable of forming a pattern with a low LER.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: November 8, 2016
    Assignee: Central Glass Company, Limited
    Inventors: Kazunori Mori, Satoru Narizuka, Yuji Hagiwara, Fumihiro Amemiya, Masaki Fujiwara
  • Publication number: 20160319215
    Abstract: The invention provides a lubricating oil for fluid dynamic bearing including as a base oil a monoester oil free of unsaturated bond, and having an absolute viscosity of 2.0 to 3.0 mPa·s at 100° C. a viscosity index of 130 or more and a pour point of ?20° C. or less.
    Type: Application
    Filed: April 28, 2016
    Publication date: November 3, 2016
    Inventors: Iwaki HIROOKA, Takayuki OE, Sayuri TSUBATA, Yuji HAGIWARA
  • Patent number: 9243013
    Abstract: The present invention provides a method of producing a tetracyanoborate-containing ionic compound in a milder condition more efficiently and less expensively than conventional methods, and a tetracyanoborate-containing ionic compound having a reduced content of impure components. An ionic compound of the present invention is represented by the following general formula (I), has a content of fluorine atom-containing impurities of 3 mol % or less per 100 mol % of the ionic compound, and a method for producing an ionic compound represented by the general formula (I) of the present invention comprises a step of reacting starting materials containing a cyanide and a boron compound. (In the formula, Ktm+ denotes an organic cation [Ktb]m+ or an inorganic cation [Ke]m+; and m denotes an integer of 1 to 3.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: January 26, 2016
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Yuji Hagiwara, Takanori Ochi, Kazunobu Ohata, Taisuke Kasahara, Taketo Toba, Keiichiro Mizuta, Hiromoto Katsuyama, Satoshi Ishida, Toshifumi Nishida
  • Publication number: 20150198879
    Abstract: Disclosed is a fluorine-containing sulfonic acid salt resin having a repeating unit represented by the following general formula (3). In the formula, each A independently represents a hydrogen atom, a fluorine atom or a trifluoromethyl group, and n represents an integer of 1-10. W represents a bivalent linking group, R01 represents a hydrogen atom or a monovalent organic group, and M+ represents a monovalent cation. A resist composition containing this resin is further superior in sensitivity, resolution and reproducibility of mask pattern and is capable of forming a pattern with a low LER.
    Type: Application
    Filed: January 17, 2013
    Publication date: July 16, 2015
    Inventors: Kazunori Mori, Satoru Narizuka, Yuji Hagiwara, Fumihiro Amemiya, Masaki Fujiwara
  • Patent number: 9024058
    Abstract: An ammonium hydroxyfluoroalkanesulfinate is obtained by using an organic base while sulfinating a bromofluoroalcohol with a sulfinating agent. An ammonium hydroxyfluoroalkanesulfonate is obtained by oxidizing the ammonium hydroxyfluoroalkanesulfinate. An onium fluoroalkanesulfonate is obtained by converting the ammonium hydroxyfluoroalkanesulfonate into an onium salt through esterification. This onium fluoroalkanesulfonate is useful as a photoacid generator in chemically amplified resists and the like.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: May 5, 2015
    Assignee: Central Glass Company, Limited
    Inventors: Magashi Nagamori, Yuji Hagiwara, Takashi Masubuchi, Satoru Narizuka
  • Patent number: 8877960
    Abstract: When sulfinating a carboxylic acid bromofluoroalkyl ester by using a sulfinating agent, an organic base is used, thereby obtaining a fluoroalkanesulfinic acid ammonium salt. This is oxidized to obtain a fluoroalkanesulfonic acid ammonium salt. This is used as the raw material and is converted to an onium salt or is converted to an onium salt by going through saponification and esterification, thereby obtaining a fluoroalkanesulfonic acid onium salt. This fluoroalkanesulfonic acid onium salt is useful as a photoacid generator used for chemically amplified resist materials, etc.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: November 4, 2014
    Assignee: Central Glass Company, Limited
    Inventors: Masashi Nagamori, Yuji Hagiwara, Takashi Masubuchi, Satoru Narizuka
  • Patent number: 8846966
    Abstract: In the present invention, a target alkoxycarbonylfluoroalkanesulfonic acid salt is obtained by using a halofluoroalkanoic acid ester as a starting raw material, sulfinating the halofluoroalkanoic acid ester in the presence of an amine (as a first step), and then, oxidizing the resulting sulfination product (as a second step). Further, an alkoxycarbonylfluoroalkanesulfinic acid onium salt, which is useful as a photoacid generator, is obtained by salt exchange reaction of the alkoxycarbonylfluoroalkanesulfonic acid salt.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: September 30, 2014
    Assignee: Central Glass Company, Limited
    Inventors: Yuji Hagiwara, Ryozo Takihana, Masanori Fushimi, Yoshimi Isono, Satoru Narizuka
  • Patent number: 8809602
    Abstract: A method of the present invention, for producing an iodizing agent, includes the step of electrolyzing iodine molecules in a solution by using an acid as a supporting electrolyte. This realizes (i) a method of producing an iodine cation suitable for use as an iodizing agent that does not require a sophisticated separation operation after iodizing reaction is completed, and (ii) an electrolyte used in the method. Further, a method of the present invention, for producing an aromatic iodine compound, includes the step of causing an iodizing agent, and an aromatic compound whose nucleus has one or more substituent groups and two or more hydrogen atoms, to react with each other under the presence of a certain ether compound. This realizes such a method of producing an aromatic iodine compound that position selectivity in iodizing reaction of an aromatic compound is improved.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: August 19, 2014
    Assignees: Japan Science and Technology Agency, Nippoh Chemicals Co., Ltd.
    Inventors: Junichi Yoshida, Seiji Suga, Kazuhide Kataoka, Koji Midorikawa, Yuji Hagiwara
  • Patent number: 8748672
    Abstract: By using an organic base when a carboxylic acid bromodifluoroethyl ester is sulfinated by using a sulfinating agent, there is obtained 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfinic acid ammonium salt. By oxidizing the 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfinic acid ammonium salt, there is obtained 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfonic acid ammonium salt. By using the 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfonic acid ammonium salt as a raw material and exchanging it into an onium salt directly or through saponification/esterification, there can be obtained a 2-alkylcarbonyloxy-1,1-difluoroethanesulfonic acid onium salt.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: June 10, 2014
    Assignee: Central Glass Company, Limited
    Inventors: Yuji Hagiwara, Masashi Nagamori, Masaki Fujiwara, Jonathan Joachim Jodry, Satoru Narizuka
  • Patent number: 8686098
    Abstract: A fluorine-containing polymer of the present invention contains a repeating unit (a) of the general formula (2) and has a mass-average molecular weight of 1,000 to 1,000,000. This polymer is suitably used in a resist composition for pattern formation by high energy ray radiation of 300 nm or less wavelength or electron beam radiation or a top coat composition for liquid immersion lithography and is characterized as having high water repellency, notably high receding contact angle. In the formula, R1 represents a polymerizable double bond-containing group; R2 represents a fluorine atom or a fluorine-containing alkyl group; R8 represents a substituted or unsubstituted alkyl group or the like; and W1 represents a single bond, a substituted or unsubstituted methylene group or the like.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: April 1, 2014
    Assignee: Central Glass Company, Limited
    Inventors: Kazunori Mori, Yuji Hagiwara, Masashi Nagamori, Yoshimi Isono, Satoru Narizuka, Kazuhiko Maeda
  • Patent number: 8663897
    Abstract: According to the present invention, there is provided a polymerizable fluorine-containing sulfonic acid onium salt of the following general formula (2) and a resin obtained by polymerization thereof. It is possible by the use of this sulfonate resin of the present invention to provide a resist composition with high resolution, board depth of focus tolerance (DOF), small line edge roughness (LER) and high sensitivity. In the formula, Z represents a substituted or unsubstituted C1-C6 straight or branched alkylene group, or a divalent moiety in which substituted or unsubstituted C1-C6 straight or branched alkylene groups are bonded in series to a divalent group obtained by elimination of two hydrogen atoms from an alicyclic or aromatic hydrocarbon; R represents a hydrogen atom, a halogen atom, or a C1-C3 alkyl or fluorine-containing alkyl group; and Q+ represents a sulfonium cation or an iodonium cation.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: March 4, 2014
    Assignee: Central Glass Company, Limited
    Inventors: Takashi Masubuchi, Kazunori Mori, Yuji Hagiwara, Satoru Narizuka, Kazuhiko Maeda
  • Patent number: 8648223
    Abstract: A method of the present invention, for producing an iodizing agent, includes the step of electrolyzing iodine molecules in a solution by using an acid as a supporting electrolyte. This realizes (i) a method of producing an iodine cation suitable for use as an iodizing agent that does not require a sophisticated separation operation after iodizing reaction is completed, and (ii) an electrolyte used in the method. Further, a method of the present invention, for producing an aromatic iodine compound, includes the step of causing an iodizing agent, and an aromatic compound whose nucleus has one or more substituent groups and two or more hydrogen atoms, to react with each other under the presence of a certain ether compound. This realizes such a method of producing an aromatic iodine compound that position selectivity in iodizing reaction of an aromatic compound is improved.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: February 11, 2014
    Assignees: Japan Science and Technology Agency, Nippoh Chemicals Co., Ltd.
    Inventors: Junichi Yoshida, Seiji Suga, Kazuhide Kataoka, Koji Midorikawa, Yuji Hagiwara
  • Publication number: 20130317250
    Abstract: By using an organic base when a carboxylic acid bromodifluoroethyl ester is sulfinated by using a sulfinating agent, there is obtained 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfinic acid ammonium salt. By oxidizing the 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfinic acid ammonium salt, there is obtained 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfonic acid ammonium salt. By using the 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfonic acid ammonium salt as a raw material and exchanging it into an onium salt directly or through saponification/esterification, there can be obtained a 2-alkylcarbonyloxy-1,1-difluoroethanesulfonic acid onium salt.
    Type: Application
    Filed: July 5, 2013
    Publication date: November 28, 2013
    Applicant: Central Glass Company, Limited
    Inventors: Yuji HAGIWARA, Masashi NAGAMORI, Masaki FUJIWARA, Jonathan Joachim JODRY, Satoru NARIZUKA
  • Patent number: 8592540
    Abstract: There is disclosed a fluorine-containing polymer compound comprising a repeating unit (a) of the following general formula (2) and having a weight-average molecular weight of 1000 to 1000000 where R1 represents a polymerizable double bond-containing group; R2 represents a fluorine atom or a fluorine-containing alkyl group; R3 represents a hydrogen atom, an acid labile group, a cross-linking site or the other monovalent organic group; and W1 represents a linking moiety. When the fluorine-containing polymer compound is used in a resist compound for pattern formation by high energy radiation of 300 nm or less wavelength or electron beam radiation, it is possible to form a resist pattern with a good rectangular profile.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: November 26, 2013
    Assignee: Central Glass Company, Limited
    Inventors: Kazunori Mori, Yuji Hagiwara, Yoshimi Isono, Satoru Narizuka, Kazuhiko Maeda
  • Patent number: 8581009
    Abstract: By using an organic base when a carboxylic acid bromodifluoroethyl ester is sulfinated by using a sulfinating agent, there is obtained 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfinic acid ammonium salt. By oxidizing the 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfinic acid ammonium salt, there is obtained 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfonic acid ammonium salt. By using the 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfonic acid ammonium salt as a raw material and exchanging it into an onium salt directly or through saponification/esterification, there can be obtained a 2-alkylcarbonyloxy-1,1-difluoroethanesulfonic acid onium salt.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: November 12, 2013
    Assignee: Central Glass Company, Limited
    Inventors: Yuji Hagiwara, Masashi Nagamori, Masaki Fujiwara, Jonathan Joachim Jodry, Satoru Narizuka
  • Patent number: 8435717
    Abstract: A sulfonic acid onium salt represented by the following formula (1) can be used as a superior radiosensitive acid generator for resist compositions. It is possible to form a good pattern by using a resist composition containing this sulfonic acid onium salt. In formula (1), R1 represents a monovalent organic group, and Q+ represents a sulfonium cation or iodonium cation.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: May 7, 2013
    Assignee: Central Glass Company, Limited
    Inventors: Yuji Hagiwara, Jonathan Joachim Jodry, Satoru Narizuka, Kazuhiko Maeda