Patents by Inventor Fumihiro Kamiya
Fumihiro Kamiya 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: 20240084102Abstract: A compound for use as a cross-linking agent represented by the following formula (1) wherein R1 is —SO2—, —O—, —CO—, an optionally substituted alkylene group, a group represented by the following formula (2) or a single bond; and two As are each independently an aromatic ring group containing a 5- or 6-membered aromatic ring and optionally containing a substituent, where the aromatic ring group contains a substituent in the case where the aromatic ring group is a monocyclic aromatic ring group containing a 6-membered aromatic hydrocarbon ring. Also disclosed is a composition containing the cross-linking agent.Type: ApplicationFiled: October 26, 2023Publication date: March 14, 2024Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tadashi KANBARA, Tsuyoshi NOGUCHI, Fumihiro KAMIYA, Daisuke OTA, Atsushi SUDO
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Patent number: 11873389Abstract: A composition including a fluorine-containing polymer and a silicon-containing compound, wherein the phosphorus content in the composition is 20 ppm or less. Also disclosed is a molded article obtained from the composition, and a second composition containing a fluorine-containing polymer and a silicon-containing polymer, wherein a content of an amide solvent in the composition is less than 1000 ppm.Type: GrantFiled: December 27, 2019Date of Patent: January 16, 2024Assignees: Akita University, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya Matsumoto, Mitsutoshi Jikei, Shushi Yamada, Tsuyoshi Noguchi, Fumihiro Kamiya, Yoshiho Yanagida
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Publication number: 20220227909Abstract: A composition containing a fluorine-containing polymer and a silicon oxide represented by formula: SiOx, where 0<x<2. In a preferred embodiment, the composition contains a cross-linking agent. Also disclosed is a crosslinked product which may be a sealing material obtained by crosslinking the composition.Type: ApplicationFiled: April 8, 2022Publication date: July 21, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Fumihiro KAMIYA, Tsuyoshi Noguchi
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Publication number: 20220073722Abstract: A composition including a fluorine-containing polymer and a silicon-containing compound, wherein the phosphorus content in the composition is 20 ppm or less. Also disclosed is a molded article obtained from the composition, and a second composition containing a fluorine-containing polymer and a silicon-containing polymer, wherein a content of an amide solvent in the composition is less than 1000 ppm.Type: ApplicationFiled: December 27, 2019Publication date: March 10, 2022Applicants: AKITA UNIVERSITY, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya MATSUMOTO, Mitsutoshi JIKEI, Shushi YAMADA, Tsuyoshi NOGUCHI, Fumihiro KAMIYA, Yoshiho YANAGIDA
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Publication number: 20210317295Abstract: A composition including a composite particle and a fluorine-containing polymer, wherein the composite particle comprises a polymer and an inorganic particle dispersed in the polymer, and the polymer contains an acid group-containing monomer unit. Also disclosed is a molded article obtained from the composition.Type: ApplicationFiled: July 29, 2019Publication date: October 14, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Fumihiro KAMIYA, Tsuyoshi NOGUCHI, Seiichi HIRANO
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Patent number: 11072700Abstract: A composition having excellent scorch resistance and storage stability, the composition containing composite particles and a fluoropolymer, and the composite particles including a polymer and inorganic particles dispersed in the polymer.Type: GrantFiled: June 17, 2016Date of Patent: July 27, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tsuyoshi Noguchi, Fumihiro Kamiya, Yoshinari Taguchi, Masato Tanaka
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Patent number: 10961353Abstract: The invention provides a novel polymer, a composition, and a molded article. The polymer contains a constitutional unit represented by the following formula (1): wherein X11 and X12 are the same as or different from each other, and are each a hydrogen atom, an alkyl group optionally containing a fluorine atom, or a phenyl group; Y11 is an oxygen atom or a sulfur atom; Rf11 is a hydrogen atom or an alkyl group optionally containing a fluorine atom; and a is an integer of 1 to 4.Type: GrantFiled: December 8, 2017Date of Patent: March 30, 2021Assignees: DAIKIN INDUSTRIES, LTD., NIHON UNIVERSITYInventors: Tsuyoshi Noguchi, Fumihiro Kamiya, Tadashi Kanbara, Nobukatsu Nemoto
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Patent number: 10815369Abstract: The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against oxygen plasma exposure and fluorine plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a hyperbranched polymer of a cage silsesquioxane with a specific structure.Type: GrantFiled: August 8, 2017Date of Patent: October 27, 2020Assignees: Akita University, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya Matsumoto, Mitsutoshi Jikei, Sumito Yamakawa, Tadatake Sakurada, Fumihiro Kamiya, Tsuyoshi Noguchi
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Publication number: 20200055993Abstract: The invention provides a novel polymer, a composition, and a molded article. The polymer contains a constitutional unit represented by the following formula (1): wherein X11 and X12 are the same as or different from each other, and are each a hydrogen atom, an alkyl group optionally containing a fluorine atom, or a phenyl group; Y11 is an oxygen atom or a sulfur atom; Rf11 is a hydrogen atom or an alkyl group optionally containing a fluorine atom; and a is an integer of 1 to 4.Type: ApplicationFiled: December 8, 2017Publication date: February 20, 2020Applicants: DAIKIN INDUSTRIES, LTD., NIHON UNIVERSITYInventors: Tsuyoshi NOGUCHI, Fumihiro KAMIYA, Tadashi KANBARA, Nobukatsu NEMOTO
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Patent number: 10377881Abstract: The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against both fluorine plasma exposure and oxygen plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a cage silsesquioxane having a specific structure.Type: GrantFiled: February 17, 2016Date of Patent: August 13, 2019Assignees: Akita University, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya Matsumoto, Mitsutoshi Jikei, Kunio Nishi, Tsuyoshi Noguchi, Fumihiro Kamiya
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Publication number: 20190169415Abstract: The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against oxygen plasma exposure and fluorine plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a hyperbranched polymer of a cage silsesquioxane with a specific structure.Type: ApplicationFiled: August 8, 2017Publication date: June 6, 2019Applicants: AKITA UNIVERSITY, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya MATSUMOTO, Mitsutoshi JIKEI, Sumito YAMAKAWA, Tadatake SAKURADA, Fumihiro KAMIYA, Tsuyoshi NOGUCHI
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Publication number: 20180179374Abstract: A composition having excellent scorch resistance and storage stability, the composition containing composite particles and a fluoropolymer, and the composite particles including a polymer and inorganic particles dispersed in the polymer.Type: ApplicationFiled: June 17, 2016Publication date: June 28, 2018Applicants: DAIKIN INDUSTRIES, LTD., NIIGATA UNIVERSITYInventors: Tsuyoshi NOGUCHI, Fumihiro KAMIYA, Yoshinari TAGUCHI, Masato TANAKA
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Publication number: 20180030246Abstract: The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against both fluorine plasma exposure and oxygen plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a cage silsesquioxane having a specific structure.Type: ApplicationFiled: February 17, 2016Publication date: February 1, 2018Applicants: AKITA UNIVERSITY, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya MATSUMOTO, Mitsutoshi JIKEI, Kunio NISHI, Tsuyoshi NOGUCHI, Fumihiro KAMIYA
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Patent number: 7833957Abstract: The present invention provides a resist-removing solution for low-k film and a cleaning solution for via holes or capacitors, the solutions comprising hydrogen fluoride (HF) and at least one member selected from the group consisting of organic acids and organic solvents. The invention also provides a method of removing resist and a method of cleaning via holes or capacitors by the use of the solutions.Type: GrantFiled: August 21, 2003Date of Patent: November 16, 2010Assignee: Daikin Industries, Ltd.Inventors: Mitsushi Itano, Takashi Kanemura, Shingo Nakamura, Fumihiro Kamiya, Takehiko Kezuka
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Publication number: 20060138399Abstract: The present invention provides a resist-removing solution for low-k film and a cleaning solution for via holes or capacitors, the solutions comprising hydrogen fluoride (HF) and at least one member selected from the group consisting of organic acids and organic solvents. The invention also provides a method of removing resist and a method of cleaning via holes or capacitors by the use of the solutions.Type: ApplicationFiled: August 21, 2003Publication date: June 29, 2006Inventors: Mitsushi Itano, Takashi Kanemura, Shingo Nakamura, Fumihiro Kamiya, Takehiko Kezuka
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Patent number: 6159865Abstract: The present invention provides a wafer treating solution in which at least one of C.sub.n H.sub.2n+1 ph(SO.sub.3 M)Oph(SO.sub.3 M) wherein ph is a phenylene group, n is 5 to 20, and M is a hydrogen or salt; C.sub.n H.sub.2n+1 phO(CH.sub.2 CH.sub.2 O)mSO.sub.3 M wherein ph is a phenylene group, n is 5 to 20, m is 0 to 20, and M is a hydrogen or salt; and C.sub.n H.sub.2n+1 O(CH.sub.2 CH.sub.2 O)mSO.sub.3 M wherein n is 5 to 20, m is 0 to 20, and M is a hydrogen or salt, is dissolved in 0.1 to 1000 ppm into a 20 to 60 wt % of hydrogen fluoride (HF), and the remainder is water (100 wt % in total), and a method for preparing a low concentration of wafer treating solution by adding water, H.sub.2 O.sub.2, HNO.sub.3, CH.sub.3 COOH, NH.sub.4 F or the like, into the above solution. The present invention also provides a wafer treating solution in which at least one of surfactants represented by C.sub.n H.sub.2n+1 ph(SO.sub.3 M)Oph(SO.sub.Type: GrantFiled: March 10, 2000Date of Patent: December 12, 2000Assignee: Daikin Industries, Ltd.Inventors: Takehiko Kezuka, Makoto Suyama, Fumihiro Kamiya, Mitsushi Itano
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Patent number: 6068788Abstract: The present invention provides a wafer treating solution in which at least one of C.sub.n H.sub.2n+1 ph(SO.sub.3 M)Oph(SO.sub.3 M) wherein ph is a phenylene group, n is 5 to 20, and M is a hydrogen or salt; C.sub.n H.sub.2n+1 phO(CH.sub.2 CH.sub.2 O)mSO.sub.3 M wherein ph is a phenylene group, n is 5 to 20, m is 0 to 20, and M is a hydrogen or salt; and C.sub.n H.sub.2n+1 O(CH.sub.2 CH.sub.2 O)mSO.sub.3 M wherein n is 5 to 20, m is 0 to 20, and M is a hydrogen or salt, is dissolved in 0.1 to 1000 ppm into a 20 to 60 wt % of hydrogen fluoride (HF), and the remainder is water (100 wt % in total), and a method for preparing a low concentration of wafer treating solution by adding water, H.sub.2 O.sub.2, HNO.sub.3, CH.sub.3 COOH, NH.sub.4 F or the like, into the above solution. The present invention also provides a wafer treating solution in which at least one of surfactants represented by C.sub.n H.sub.2n+1 ph(SO.sub.3 M)Oph(SO.sub.Type: GrantFiled: April 22, 1998Date of Patent: May 30, 2000Assignee: Daikin Industries, Ltd.Inventors: Takehiko Kezuka, Makoto Suyama, Fumihiro Kamiya, Mitsushi Itano
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Patent number: 5552072Abstract: An acicular fine particulate material which is coated with a compound containing at least one element selected from among elements of Groups III and IV of the Periodic Table in Periods 5 and 6, the acicular fine particulate material being one of (i) an acicular fine particulate material containing iron carbide, (ii) an acicular fine particulate material containing iron carbide, metallic iron and carbon, and (iii) an acicular fine particulate metallic iron containing carbon, is prepared by a promoted reduction reaction while being effectively prevented from sintering and consequently affords magnetic recording media having a high recording density.Type: GrantFiled: October 18, 1994Date of Patent: September 3, 1996Assignee: Daikin Industries Ltd.Inventors: Takuya Arase, Fumihiro Kamiya, Masayuki Tsuji, Tadashi Ino, Ikuo Kitamura, Yoshiyuki Shibuya, Shigeo Daimon
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Patent number: 5443666Abstract: The present invention provides an acicular fine particles obtained by reducing an iron carbide starting material and containing metal iron, iron carbide and free carbon, the acicular fine particles having a mean particle size (long axis) of 0.1 to 0.5 .mu.m and an average axial ratio of 3 to 15 and containing 15 to 80 wt. % of metal iron, 10 to 75 wt. % of iron carbide and 5 to 13 wt. % of free carbon, process thereof, magnetic coating composition and magnetic recording medium containing the same.Type: GrantFiled: September 17, 1993Date of Patent: August 22, 1995Assignee: Daikin Industries, Ltd.Inventors: Ikuo Kiatamura, Takuya Arase, Fumihiro Kamiya, Shigeo Daimon