Patents by Inventor Motohiko Hidaka
Motohiko Hidaka 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).
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Publication number: 20230287179Abstract: There is provided an epoxy composition which has difficulty in precipitating a crystal during storage, is homogeneous and can be stored for a long period; and a cured product of the composition having excellent transparency, heat resistance, and light resistance can be obtained on curing. An ?-type tris-(2,3-epoxypropyl)-isocyanurate crystal including ?-type tris-(2,3-epoxypropyl)-isocyanurate in the crystal in a ratio of 2% by mass to 15% by mass. A method for producing the ?-type tris-(2,3-epoxypropyl)-isocyanurate crystal including step (i) separating ?-type tris-(2,3-epoxypropyl)-isocyanurate contained in a tris-(2,3-epoxypropyl)-isocyanurate solution from the solution as a solid to obtain a crystal with an increased content ratio of ?-type tris-(2,3-epoxypropyl)-isocyanurate.Type: ApplicationFiled: May 3, 2023Publication date: September 14, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Motohiko HIDAKA, Takashi ODA, Nobuyuki KAKIUCHI, Hiroki YAMAGUCHI
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Patent number: 10899872Abstract: An epoxy resin composition in a liquid or solid state having excellent solubility and having high preservation stability. A modified epoxy resin composition including: Compound A containing tris-(2,3-epoxypropyl)-isocyanurate having 1 to 3 glycidyl group(s) in a molecule substituted with a functional group(s) of Formula (1): in which R1 and R2 are each independently an alkyl group, an alkenyl group, an alkynyl group, an aryl group, an aralkyl group, a heterocyclic group; or a halogenated derivative, an aminated derivative, or a nitrated derivative of these groups; and Compound B containing tris-(2,3-epoxypropyl)-isocyanurate, wherein tris-(2,3-epoxypropyl)-isocyanurate of Compound A before the substitution and tris-(2,3-epoxypropyl)-isocyanurate of Compound B comprise 2% by mass to 15% by mass of ?-type tris-(2,3-epoxypropyl)-isocyanurate and a remaining percentage of ?-type tris-(2,3-epoxypropyl)-isocyanurate based on a total mass of Compound A before the substitution and Compound B.Type: GrantFiled: October 31, 2018Date of Patent: January 26, 2021Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Yuki Endo, Motohiko Hidaka, Mikio Kasai, Takashi Oda, Nobuyuki Kakiuchi
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Publication number: 20190256657Abstract: There is provided an epoxy composition which has difficulty in precipitating a crystal during storage, is homogeneous and can be stored for a long period; and a cured product of the composition having excellent transparency, heat resistance, and light resistance can be obtained on curing. An ?-type tris-(2,3-epoxypropyl)-isocyanurate crystal including ?-type tris-(2,3-epoxypropyl)-isocyanurate in the crystal in a ratio of 2% by mass to 15% by mass. A method for producing the ?-type tris-(2,3-epoxypropyl)-isocyanurate crystal including step (i) separating ?-type tris-(2,3-epoxypropyl)-isocyanurate contained in a tris-(2,3-epoxypropyl)-isocyanurate solution from the solution as a solid to obtain a crystal with an increased content ratio of ?-type tris-(2,3-epoxypropyl)-isocyanurate.Type: ApplicationFiled: May 3, 2019Publication date: August 22, 2019Applicant: NISSAN CHEMICAL CORPORATIONInventors: Motohiko HIDAKA, Takashi ODA, Nobuyuki KAKIUCHI, Hiroki YAMAGUCHI
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Publication number: 20190062491Abstract: An epoxy resin composition in a liquid or solid state having excellent solubility and having high preservation stability. A modified epoxy resin composition including: Compound A containing tris-(2,3-epoxypropyl)-isocyanurate having 1 to 3 glycidyl group(s) in a molecule substituted with a functional group(s) of Formula (1): in which R1 and R2 are each independently an alkyl group, an alkenyl group, an alkynyl group, an aryl group, an aralkyl group, a heterocyclic group; or a halogenated derivative, an aminated derivative, or a nitrated derivative of these groups; and Compound B containing tris-(2,3-epoxypropyl)-isocyanurate, wherein tris-(2,3-epoxypropyl)-isocyanurate of Compound A before the substitution and tris-(2,3-epoxypropyl)-isocyanurate of Compound B comprise 2% by mass to 15% by mass of ?-type tris-(2,3-epoxypropyl)-isocyanurate and a remaining percentage of ?-type tris-(2,3-epoxypropyl)-isocyanurate based on a total mass of Compound A before the substitution and Compound B.Type: ApplicationFiled: October 31, 2018Publication date: February 28, 2019Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Yuki ENDO, Motohiko HIDAKA, Mikio KASAI, Takashi ODA, Nobuyuki KAKIUCHI
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Patent number: 10174153Abstract: An epoxy resin composition in a liquid or solid state having excellent solubility and having high preservation stability. A modified epoxy resin composition including: Compound A containing tris-(2,3-epoxypropyl)-isocyanurate having 1 to 3 glycidyl group(s) in a molecule substituted with a functional group(s) of Formula (1): in which R1 and R2 are each independently an alkyl group, an alkenyl group, an alkynyl group, an aryl group, an aralkyl group, a heterocyclic group; or a halogenated derivative, an aminated derivative, or a nitrated derivative of these groups; and Compound B containing tris-(2,3-epoxypropyl)-isocyanurate, wherein tris-(2,3-epoxypropyl)-isocyanurate of Compound A before the substitution and tris-(2,3-epoxypropyl)-isocyanurate of Compound B comprise 2% by mass to 15% by mass of ?-type tris-(2,3-epoxypropyl)-isocyanurate and a remaining percentage of ?-type tris-(2,3-epoxypropyl)-isocyanurate based on a total mass of Compound A before the substitution and Compound B.Type: GrantFiled: December 10, 2014Date of Patent: January 8, 2019Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Yuki Endo, Motohiko Hidaka, Mikio Kasai, Takashi Oda, Nobuyuki Kakiuchi
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Publication number: 20160340469Abstract: An epoxy resin composition in a liquid or solid state having excellent solubility and having high preservation stability. A modified epoxy resin composition including: Compound A containing tris-(2,3-epoxypropyl)-isocyanurate having 1 to 3 glycidyl group(s) in a molecule substituted with a functional group(s) of Formula (1): in which R1 and R2 are each independently an alkyl group, an alkenyl group, an alkynyl group, an aryl group, an aralkyl group, a heterocyclic group; or a halogenated derivative, an aminated derivative, or a nitrated derivative of these groups; and Compound B containing tris-(2,3-epoxypropyl)-isocyanurate, wherein tris-(2,3-epoxypropyl)-isocyanurate of Compound A before the substitution and tris-(2,3-epoxypropyl)-isocyanurate of Compound B comprise 2% by mass to 15% by mass of ?-type tris-(2,3-epoxypropyl)-isocyanurate and a remaining percentage of ?-type tris-(2,3-epoxypropyl)-isocyanurate based on a total mass of Compound A before the substitution and Compound B.Type: ApplicationFiled: December 10, 2014Publication date: November 24, 2016Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Yuki ENDO, Motohiko HIDAKA, Mikio KASAI, Takashi ODA, Nobuyuki KAKIUCHI
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Publication number: 20150353684Abstract: There is provided an epoxy composition which has difficulty in precipitating a crystal during storage, is homogeneous and can be stored for a long period; and a cured product of the composition having excellent transparency, heat resistance, and light resistance can be obtained on curing. An ?-type tris-(2,3-epoxypropyl)-isocyanurate crystal including ?-type tris-(2,3-epoxypropyl)-isocyanurate in the crystal in a ratio of 2% by mass to 15% by mass. A method for producing the ?-type tris-(2,3-epoxypropyl)-isocyanurate crystal including step (i) separating ?-type tris-(2,3-epoxypropyl)-isocyanurate contained in a tris-(2,3-epoxypropyl)-isocyanurate solution from the solution as a solid to obtain a crystal with an increased content ratio of ?-type tris-(2,3-epoxypropyl)-isocyanurate.Type: ApplicationFiled: January 7, 2014Publication date: December 10, 2015Inventors: Motohiko HIDAKA, Takashi ODA, Nobuyuki KAKIUCHI, Hiroki YAMAGUCHI
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Patent number: 9134610Abstract: An underlayer coating is used as an underlayer of photoresists in lithography process of the manufacture of semiconductor devices and has a high dry etching rate in comparison to the photoresists, does not intermix with the photoresists, and is capable of flattening the surface of a semiconductor substrate having holes of a high aspect ratio; and an underlayer coating forming composition can form the underlayer coating. The underlayer coating forming composition for forming by light irradiation an underlayer coating used as an underlayer of a photoresist in a lithography process of the manufacture of semiconductor devices, includes a polymerizable substance and a photopolymerization initiator.Type: GrantFiled: March 12, 2013Date of Patent: September 15, 2015Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Satoshi Takei, Tetsuya Shinjo, Motohiko Hidaka
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Patent number: 8426111Abstract: There is provided an underlayer coating that is used as an underlayer of photoresists in lithography process of the manufacture of semiconductor devices and that has a high dry etching rate in comparison to the photoresists, does not intermix with the photoresists, and is capable of flattening the surface of a semiconductor substrate having holes of a high aspect ratio; and an underlayer coating forming composition for forming the underlayer coating. The underlayer coating forming composition for forming by light irradiation an underlayer coating used as an underlayer of a photoresist in a lithography process of the manufacture of semiconductor devices, comprises a polymerizable substance and a photopolymerization initiator.Type: GrantFiled: April 11, 2006Date of Patent: April 23, 2013Assignee: Nissan Chemical Industries, Ltd.Inventors: Satoshi Takei, Tetsuya Shinjo, Motohiko Hidaka
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Publication number: 20090246643Abstract: [Problems] The present invention provides a photosensitive composition capable of permanently forming a hologram having a low light scattering loss and high diffraction efficiency, and a forming method of a pattern. [Means for solving problems] A photosensitive composition used for forming a pattern by a pattern exposure containing (a) a polymerizable compound, (b) a photopolymerization initiator, and (c) organic-zirconia composite fine particles having a zirconia volume concentration of 20% by volume to 80% by volume; and a forming method of a pattern using the composition.Type: ApplicationFiled: August 14, 2007Publication date: October 1, 2009Applicants: NATIONAL UNIVERSITY CORPORATION THE UNIVERSITY OF ELECTRO-COMMUNICATIONS, NISSAN CHEMICAL INDUSTRIES , LTD.Inventors: Yasuo Tomita, Naoaki Suzuki, Motohiko Hidaka, Kentaro Ohmori, Keisuke Odoi
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Publication number: 20090130594Abstract: There is provided an underlayer coating that is used as an underlayer of photoresists in lithography process of the manufacture of semiconductor devices and that has a high dry etching rate in comparison to the photoresists, does not intermix with the photoresists, and is capable of flattening the surface of a semiconductor substrate having holes of a high aspect ratio; and an underlayer coating forming composition for forming the underlayer coating. The underlayer coating forming composition for forming by light irradiation an underlayer coating used as an underlayer of a photoresist in a lithography process of the manufacture of semiconductor devices, comprises a polymerizable substance and a photopolymerization initiator.Type: ApplicationFiled: April 11, 2006Publication date: May 21, 2009Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Satoshi Takei, Tetsuya Shinjo, Motohiko Hidaka
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Publication number: 20080176146Abstract: It is an object of the present invention to provide a photosensitive composition capable of forming permanent holograms with low light scattering loss and high diffraction efficiency, and a method for forming a pattern. A photosensitive composition and a pattern formation method using the photosensitive composition are characterized in that the photosensitive composition used to form a pattern by pattern exposure includes: (a) a polymerizable compound, (b) a photopolymerization initiator, and (c) organic fine particles.Type: ApplicationFiled: March 16, 2006Publication date: July 24, 2008Applicants: NATIONAL UNIVERSITY CORPORATION THE UNIVERSITY OF ELECTRO-COMMUNICATIONS, NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Yasuo Tomita, Kouji Furushima, Kazuhiko Akimoto, Katsumi Chikama, Motohiko Hidaka, Keisuke Odoi
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Patent number: 6903212Abstract: A process for producing ?-form tris-(2,3-epoxypropyl)-isocyanurate crystals containing from 2 to 15 wt % of ?-form tris-(2,3-epoxypropyl)-isocyanurate in the interior of the crystals, which comprises the following steps (A), (B), (C) and (D): (A) a step of reacting cyanuric acid with epichlorohydrin to form an addition product of cyanuric acid and epichlorohydrin, followed by dehydrochlorination to obtain a reaction solution containing tris-(2,3-epoxypropyl)-isocyanurate, (B) a step of removing epichlorohydrin from the reaction solution containing tris-(2,3-epoxypropyl)-isocyanurate obtained in step (A), and dissolving the obtained tris-(2,3-epoxypropyl)-isocyanurate in a solvent, (C) a step of gradually cooling the liquid obtained in step (B) at a cooling rate within 20° C./hr for crystallization, followed by filtration to obtain crystals, and (D) a step of washing and drying the crystals obtained in step (C).Type: GrantFiled: October 11, 2001Date of Patent: June 7, 2005Assignee: Nissan Chemical Industries, Ltd.Inventors: Hisao Ikeda, Yasuhiro Gunji, Motohiko Hidaka
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Patent number: 6641784Abstract: An optical resolver comprising an optically active substance made of tris-(2,3-epoxypropyl)isocyanurate, is presented. The optical resolver comprises an optically active tris-(epoxyalkyl)isocyanurate or its derivative, or an optically active derivative of a tris-(epoxyalkyl)isocyanurate. Particularly, the optical resolver comprises optically active tris-(2,3-epoxypropyl)isocyanurate or its derivative, or an optically active derivative of tris-(2,3-epoxypropyl)isocyanurate. Having supported on a carrier, an optically active tris-(2,3-epoxypropyl)isocyanurate or its derivative, or an optically active derivative of tris-(2,3-epoxypropyl)isocyanurate, can be made to be a packing for use in high-performance liquid chromatography, whereby efficient optical resolution can be carried out.Type: GrantFiled: February 19, 2002Date of Patent: November 4, 2003Assignee: Nissan Chemical Industries, Ltd.Inventors: Yoshio Okamoto, Motohiko Hidaka
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Patent number: 6605717Abstract: Optically active &bgr;-type tris-(2,3-epoxypropyl)-isocyanurate is obtained by a method of reacting isocyanuric acid with an optically active epihalohydrin, or a method of optically resolving a racemic modification of tris-(2,3-epoxypropyl)-isocyanurate by using an amylose or cellulose derivative. It is a method for producing a high melting point type tris-(2,3-epoxypropyl)-isocyanurate obtained by mixing two enantiomers of optically active &bgr;-type tris-(2,3-epoxypropyl)-isocyanurate.Type: GrantFiled: April 9, 2002Date of Patent: August 12, 2003Assignee: Nissan Chemical Industries, Ltd.Inventors: Hisao Ikeda, Motohiko Hidaka, Atsumi Aoki
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Patent number: 6605718Abstract: A method for reducing organic solvents remaining in tris-(2,3-epoxypropyl)-isocyanurate crystals, which comprises pulverizing, as a material, crystal particles of tris-(2,3-epoxypropyl)-isocyanurate obtained by a recrystallization method, while evaporating a volatile component from the surface of the particles.Type: GrantFiled: February 23, 2001Date of Patent: August 12, 2003Assignee: Nissan Chemical Industries, Ltd.Inventors: Hisao Ikeda, Yasuhiro Gunji, Motohiko Hidaka
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Publication number: 20020161223Abstract: An isocyanurate compound of the formula (1), 1Type: ApplicationFiled: June 14, 2002Publication date: October 31, 2002Applicant: Nissan Chemical Industries, Ltd.Inventors: Toshiaki Takeyama, Motohiko Hidaka, Kazuhiko Akimoto
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Patent number: 6444814Abstract: Optically active &bgr;-type tris-(2,3-epoxypropyl)-isocyanurate is obtained by a method of reacting isocyanuric acid with an optically active epihalohydrin, or a method of optically resolving a racemic modification of tris-(2,3-epoxypropyl)-isocyanurate by using an amylose or cellulose derivative. It is a method for producing a high melting point type tris-(2,3-epoxypropyl)-isocyanurate obtained by mixing two enantiomers of optically active &bgr;-type tris-(2,3-epoxypropyl)-isocyanurate.Type: GrantFiled: August 31, 2000Date of Patent: September 3, 2002Assignee: Nissan Chemical Industries, Ltd.Inventors: Hisao Ikeda, Motohiko Hidaka, Atsumi Aoki
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Publication number: 20020111485Abstract: Optically active &bgr;-type tris-(2,3-epoxypropyl)-isocyanurate is obtained by a method of reacting isocyanuric acid with an optically active epihalohydrin, or a method of optically resolving a racemic modification of tris-(2,3-epoxypropyl)-isocyanurate by using an amylose or cellulose derivative. It is a method for producing a high melting point type tris-(2,3-epoxypropyl)-isocyanurate obtained by mixing two enantiomers of optically active &bgr;-type tris-(2,3-epoxypropyl)-isocyanurate.Type: ApplicationFiled: April 9, 2002Publication date: August 15, 2002Applicant: Nissan Chemical Industries LimitedInventors: Hisao Ikeda, Motohiko Hidaka, Atsumi Aoki
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Patent number: 6414146Abstract: An isocyanurate compound of the formula (1), wherein R is a hydrogen atom or a methyl group, a method for producing said iscyanurate compound, characterized by reacting carbon disulfide with a triglycidyl isocyanurate compound, and a trithiol isocyanurate compound and a method for producing the same.Type: GrantFiled: January 29, 2002Date of Patent: July 2, 2002Assignee: Nissan Chemical Industries, Ltd.Inventors: Toshiaki Takeyama, Motohiko Hidaka, Kazuhiko Akimoto