Patents by Inventor Kazunobu Uchida
Kazunobu Uchida 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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Patent number: 11905349Abstract: An ethylene/tetrafluoroethylene copolymer satisfying the following formula (1): 75? tan ?(60)/tan ?(5)×100?225??(1) wherein peak intensities, determined by Fourier transform infrared spectroscopy, of vibrations derived from a —CF2H group, a —CF2CH2COF group, a —COF group, a —COOH group, a dimer of a —CF2COOH group and a monomer of a CF2CH2COOH group, a —COOCH3 group, a —CONH2 group, and a —CH2OH group satisfy the following formula (2): PIA/(PIB+PIC+PID+PIE+PIF+PIG+PIH)?0.60??(2) wherein the loss tangents (tan ?) and peak intensities (PI) are as defined herein.Type: GrantFiled: October 31, 2022Date of Patent: February 20, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Ryouichi Yano, Tatsuya Funaoka, Takahiro Kitahara, Takashi Sekiguchi, Kazunobu Uchida, Yuuko Takano
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Publication number: 20230069795Abstract: An ethylene/tetrafluoroethylene copolymer satisfying the following formula (1): 75?tan ?(60)/tan ?(5)×100?225??(1) wherein peak intensities, determined by Fourier transform infrared spectroscopy, of vibrations derived from a —CF2H group, a —CF2CH2COF group, a —COF group, a —COOH group, a dimer of a —CF2COOH group and a monomer of a CF2CH2COOH group, a —COOCH3 group, a —CONH2 group, and a —CH2OH group satisfy the following formula (2): PIA/(PIB+PIC+PID+PIE+PIF+PIG+PIH)?0.60??(2) wherein the loss tangents (tan?) and peak intensities (PI) are as defined herein.Type: ApplicationFiled: October 31, 2022Publication date: March 2, 2023Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Ryouichi YANO, Tatsuya FUNAOKA, Takahiro KITAHARA, Takashi SEKIGUCHI, Kazunobu UCHIDA, Yuuko TAKANO
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Patent number: 11548960Abstract: An ethylene/tetrafluoroethylene copolymer satisfying the following formula (1), wherein peak intensities, determined by Fourier transform infrared spectroscopy, of vibrations derived from a —CF2H group, a —CF2CH2COF group, a —COF group, a —COOH group, a dimer of a —CF2COOH group and a monomer of a CF2CH2COOH group, a —COOCH3 group, a —CONH2 group, and a —CH2OH group satisfy the following formula (2): 75?tan ?(60)/tan ?(5)×100?225??(1) PIA/(PIB+PIC+PID+PIE+PIF+PIG+PIH)?0.60??(2) wherein tan ?(60), tan ?(5), PIA, PIB, PIC, PID, PIE, PIF, PIG and PIH are as defined in the specification. Also disclosed is a molded article obtained by molding the ethylene/tetrafluoroethylene copolymer and an electric wire including a core and a coat formed from the ethylene/tetrafluoroethylene copolymer.Type: GrantFiled: November 8, 2018Date of Patent: January 10, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Ryouichi Yano, Tatsuya Funaoka, Takahiro Kitahara, Takashi Sekiguchi, Kazunobu Uchida, Yuuko Takano
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Publication number: 20200362077Abstract: An ethylene/tetrafluoroethylene copolymer satisfying the following formula (1), wherein peak intensities, determined by Fourier transform infrared spectroscopy, of vibrations derived from a —CF2H group, a —CF2CH2COF group, a —COF group, a —COOH group, a dimer of a —CF2COOH group and a monomer of a CF2CH2COOH group, a —COOCH3 group, a —CONH2 group, and a —CH2OH group satisfy the following formula (2): 75?tan ?(60)/tan ?(5)×100?225 ??(1) PIA/(PIB+PIC+PID+PIE+PIF+PIG+PIH)?0.60 ??(2) wherein tan ?(60), tan ?(5), PIA, PIB, PIC, PID, PIE, PIF, PIG and PIH are as defined in the specification. Also disclosed is a molded article obtained by molding the ethylene/tetrafluoroethylene copolymer and an electric wire including a core and a coat formed from the ethylene/tetrafluoroethylene copolymer.Type: ApplicationFiled: November 8, 2018Publication date: November 19, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Ryouichi YANO, Tatsuya FUNAOKA, Takahiro KITAHARA, Takashi SEKIGUCHI, Kazunobu UCHIDA, Yuuko TAKANO
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Publication number: 20180223089Abstract: The invention provides a fluororesin that is less likely to suffer blistering or cracking even when rapidly decompressed from a high-temperature and high-pressure state. The fluororesin contains a vinylidene fluoride unit. The vinylidene fluoride unit represents 10.0 to 100 mol % of all the monomer units constituting the fluororesin. The fluororesin exhibits a weight loss of 0.1% or less after heated at 300° C. for two hours.Type: ApplicationFiled: July 8, 2016Publication date: August 9, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kazuki HOSODA, Kenji ICHIKAWA, Kazunobu UCHIDA, Yuuko IWAMATSU, Yuuki KUWAJIMA, Hayato TSUDA, Toshiaki MASUI
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Patent number: 9444104Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 89.0 mol % based on all the polymer units, and the organic solvent being N-methyl-2-pyrolidone and/or N,N-dimethylacetamide.Type: GrantFiled: May 20, 2013Date of Patent: September 13, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Toshiki Ichisaka, Takashi Iguchi, Tomoyuki Fukatani, Kazunobu Uchida, Takuji Ishikawa, Norimasa Uesugi, Takahiro Kitahara
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Patent number: 9444103Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including polyvinylidene fluoride and a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 90.0 mol % based on all the polymer units, the polyvinylidene fluoride having a number average molecular weight of 150,000 to 1,400,000.Type: GrantFiled: May 20, 2013Date of Patent: September 13, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Toshiki Ichisaka, Takashi Iguchi, Tomoyuki Fukatani, Kazunobu Uchida, Takuji Ishikawa, Norimasa Uesugi, Takahiro Kitahara
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Patent number: 9343744Abstract: A binder, including a fluoropolymer, the fluoropolymer including a polymerization unit based on vinylidene fluoride and a polymerization unit based on a monomer having an amide group represented by —CO—NRR? (R and R? are the same as or different from each other and each represent a hydrogen atom or an alkyl group optionally having a substituent group) or an amide bond represented by —CO—NR?— (R? represents a hydrogen atom, an alkyl group optionally having a substituent group, or a phenyl group optionally having a substituent group) and having a solution viscosity of 10 to 20,000 mPa·s. Also disclosed is a positive electrode mixture and a negative electrode mixture containing the binder, a positive electrode, a negative electrode and a lithium ion secondary cell.Type: GrantFiled: January 24, 2013Date of Patent: May 17, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Takashi Iguchi, Takahiro Kitahara, Takuji Ishikawa, Toshiki Ichisaka, Kazunobu Uchida, Tomoyuki Fukatani, Manabu Fujisawa, Kenji Ichikawa
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Publication number: 20150368413Abstract: The present invention aims to provide a film having a high dielectric constant and a low dissipation factor. The high dielectric film of the present invention includes a vinylidene fluoride/tetrafluoroethylene copolymer (A) with a mole ratio (vinylidene fluoride)/(tetrafluoroethylene) of 95/5 to 80/20. The film includes an ?-crystal structure and a ?-crystal structure. The ratio of the ?-crystal structure is 50% or more.Type: ApplicationFiled: October 16, 2013Publication date: December 24, 2015Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Mayuko TATEMICHI, Miharu OTA, Kouji YOKOTANI, Nobuyuki KOMATSU, Hisako NAKAMURA, Fumiko SHIGENAI, Takeshi HAZAMA, Masakazu KINOSHITA, Meiten KOH, Takuji ISHIKAWA, Takashi IGUCHI, Kazunobu UCHIDA, Tomoyuki FUKATANI, Takahiro KITAHARA, Tetsuhiro KODANI
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Patent number: 9109095Abstract: The present invention provides an organosol composition that is stable even in the case that the PTFE particle content is high. The present invention relates to an organosol composition of PTFE particles, comprising PTFE particles (A), a polymer (B), and an organic solvent (S), wherein (1) the polymer (B) is soluble in the organic solvent (S), (2) the amount of the PTFE particles (A) is not lower than 50% by mass of the total amount of the PTFE particles (A) and the polymer (B), and (3) the precipitation ratio of the PTFE particles after 48 hours is not higher than 60% when the total solids concentration of the PTFE particles (A) and the polymer (B) is 5% by mass.Type: GrantFiled: May 9, 2011Date of Patent: August 18, 2015Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Takuji Ishikawa, Atsuko Tanaka, Taku Yamanaka, Nobuhiko Tsuda, Kazunobu Uchida, Takahiro Kitahara, Tomoyuki Fukatani
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Publication number: 20150137029Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 89.0 mol % based on all the polymer units, and the organic solvent being N-methyl-2-pyrolidone and/or N,N-dimethylacetamide.Type: ApplicationFiled: May 20, 2013Publication date: May 21, 2015Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Toshiki Ichisaka, Takashi Iguchi, Tomoyuki Fukatani, Kazunobu Uchida, Takuji Ishikawa, Norimasa Uesugi, Takahiro Kitahara
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Publication number: 20150137028Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including polyvinylidene fluoride and a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 90.0 mol % based on all the polymer units, the polyvinylidene fluoride having a number average molecular weight of 150,000 to 1,400,000.Type: ApplicationFiled: May 20, 2013Publication date: May 21, 2015Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Toshiki Ichisaka, Takashi Iguchi, Tomoyuki Fukatani, Kazunobu Uchida, Takuji Ishikawa, Norimasa Uesugi, Takahiro Kitahara
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Publication number: 20150017532Abstract: A binder, including a fluoropolymer, the fluoropolymer including a polymerization unit based on vinylidene fluoride and a polymerization unit based on a monomer having an amide group represented by —CO—NRR? (R and R? are the same as or different from each other and each represent a hydrogen atom or an alkyl group optionally having a substituent group) or an amide bond represented by —CO—NR?— (R? represents a hydrogen atom, an alkyl group optionally having a substituent group, or a phenyl group optionally having a substituent group) and having a solution viscosity of 10 to 20,000 mPa·s. Also disclosed is a positive electrode mixture and a negative electrode mixture containing the binder, a positive electrode, a negative electrode and a lithium ion secondary cell.Type: ApplicationFiled: January 24, 2013Publication date: January 15, 2015Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Takashi Iguchi, Takahiro Kitahara, Takuji Ishikawa, Toshiki Ichisaka, Kazunobu Uchida, Tomoyuki Fukatani, Manabu Fujisawa, Kenji Ichikawa
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Publication number: 20120123031Abstract: The present invention provides an organosol composition that is stable even in the case that the PTFE particle content is high. The present invention relates to an organosol composition of PTFE particles, comprising PTFE particles (A), a polymer (B), and an organic solvent (S), wherein (1) the polymer (B) is soluble in the organic solvent (S), (2) the amount of the PTFE particles (A) is not lower than 50% by mass of the total amount of the PTFE particles (A) and the polymer (B), and (3) the precipitation ratio of the PTFE particles after 48 hours is not higher than 60% when the total solids concentration of the PTFE particles (A) and the polymer (B) is 5% by mass.Type: ApplicationFiled: May 9, 2011Publication date: May 17, 2012Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Takuji Ishikawa, Atsuko Tanaka, Taku Yamanaka, Nobuhiko Tsuda, Kazunobu Uchida, Takahiro Kitahara, Tomoyuki Fukatani
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Publication number: 20100053413Abstract: An image pickup apparatus 1 includes a scope 20 and a lens as objective optical modules for limiting a scope image pickup area 200, an image pickup device 22A connected to the objective optical module for picking up an image on an image pickup surface, and a signal processing portion 3 setting a photometric area 202 on the image pickup surface of the image pickup device 22A for measuring a light receiving state, as well as setting a size of the photometric area 202 to be variable.Type: ApplicationFiled: November 25, 2008Publication date: March 4, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kazunobu Uchida, Yasuhiko Sasaki
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Patent number: 7371165Abstract: A card game program has a routine for displaying areas of a player and an opponent, each being comprised of a plurality of hexes, a routine for displaying selective disposition of card on the hex, a routine for removing for displaying remove of a card between the hexes, a routine for dealing with battle for seizing damage between the cards of a player and the opponent and displaying the result, and a routine for computing point for computing victory point from a form of location of a card. A player can fight against the opponent, seizing damage between the player and the opponent by removing the card between the respective areas. Therefore, an element like strategic simulation game of attacking the respective areas can be added in addition to the interest as a card game.Type: GrantFiled: December 10, 2002Date of Patent: May 13, 2008Assignee: Konami CorporationInventors: Hirotaka Reizei, Kazunobu Uchida
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Publication number: 20030109299Abstract: A card game program has a routine for displaying areas of a player and an opponent, each being comprised of a plurality of hexes, a routine for displaying selective disposition of card on the hex, a routine for removing for displaying remove of a card between the hexes, a routine for dealing with battle for seizing damage between the cards of a player and the opponent and displaying the result, and a routine for computing point for computing victory point from a form of location of a card. A player can fight against the opponent, seizing damage between the player and the opponent by removing the card between the respective areas. Therefore, an element like strategic simulation game of attacking the respective areas can be added in addition to the interest as a card game.Type: ApplicationFiled: December 10, 2002Publication date: June 12, 2003Inventors: Hirotaka Reizei, Kazunobu Uchida