Patents by Inventor Ikuo Takahashi

Ikuo Takahashi 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).

  • Patent number: 11970651
    Abstract: A surface treatment agent containing: (A) a water repellent oil repellent polymer having a repeating unit derived from at least one water repellent oil repellent monomer selected from (A1) fluorine-containing monomers and (A2) non-fluorine monomers having a hydrocarbon group with 7-40 carbon atoms; (B) a silicone polymer represented by formula R533Si—O—[—Si(R51)2—O—]a—[—Si(R51)(R52)—O—]b—SiR533 (wherein each R51 group independently represents hydrogen, alkyl having 1-20 carbon atoms, aryl having 6-20 carbon atoms or alkoxy having 1-4 carbon atoms; each R52 independently represents a saturated hydrocarbon group having 23-40 carbon atoms; each R53 independently represents a hydrogen atom, an alkyl group having 1-20 carbon atoms, an aryl group having 6-20 carbon atoms, an alkoxy group having 1-4 carbon atoms or a saturated hydrocarbon group having 23-40 carbon atoms; a represents an integer of 0 or more; b represents an integer of 1 or more; and (a+b) is 10-200); and (C) a liquid medium.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: April 30, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Kanako Takahashi, Ryousuke Hara, Ikuo Yamamoto
  • Patent number: 11938503
    Abstract: An ultrafine bubble (UFB)-containing liquid manufacturing apparatus includes a liquid ejecting unit having a thermal energy generating element, a flow path for leading liquid to the thermal energy generating element, a driving unit configured to drive the thermal energy generating element, and an ejection opening. The UFB-containing liquid manufacturing apparatus also includes a collecting unit configured to collect liquid ejected from the ejection opening. The driving unit drives the thermal energy generating element to cause film boiling in liquid led to the flow path and causes liquid containing ultrafine bubbles generated by the film boiling to be ejected from the ejection opening.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: March 26, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Takahashi, Masahiko Kubota, Ikuo Nakazawa, Akitoshi Yamada, Nobuhisa Tanahashi
  • Patent number: 10996127
    Abstract: A pressure detection device includes: a piezoelectric element that detects a pressure change via a diaphragm head or the like; a circuit board that is provided with a processing circuit that performs electrical processing with respect to a charge signal outputted from the piezoelectric element; a conductive housing member, which has conductivity and is disposed to cover (house) the circuit board, and which is connected to the ground of the circuit board; and a housing (a leading end side housing, the diaphragm head and a rear end side housing), which houses the piezoelectric element, the circuit board and the housing member, and which is electrically insulated from the piezoelectric element, the circuit board and the housing member.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: May 4, 2021
    Assignees: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Yuta Kanamori, Masanori Yomoyama, Tetsuya Aiba, Ikuo Takahashi, Hiroshi Nakagawa, Kazuo Takahashi, Yusuke Satoh
  • Patent number: 10793968
    Abstract: A method of production of a high insulation resistance, high strength langatate-based single crystal and a langatate-based single crystal are provided. That is, a method of production of a langatate-based single crystal using the Czochralski method of pulling up a crystal from a starting material solution so as to grow a langatate-based single crystal, comprising placing the starting material solution of the single crystal in a platinum crucible and growing the single crystal using the Z-axis as the growth axis in a growth atmosphere of a mixed gas comprising an inert gas in which an oxidizing gas is contained in an amount greater than 5 vol %.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: October 6, 2020
    Assignees: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Ikuo Takahashi, Takayuki Aoki, Youichi Nonogaki, Yoshitaka Kinoshita
  • Patent number: 10647850
    Abstract: A carbodiimide-based aqueous resin crosslinking agent excellent in the storage stability in the coexistence of an aqueous resin, comprising a polycarbodiimide (A) having substituents derived from hydrophilic organic compounds at both terminals thereof, at least one of the substituents being a substituent derived from a hydrophilic organic compound having a molecular weight of 340 or more, and a polycarbodiimide (B) having substituents derived from organic compounds having a molecular weight of 300 or less at both terminals thereof, wherein the mass ratio [(B)/(A)] of the polycarbodiimide (B) to the polycarbodiimide (A) is from 20/80 to 95/5.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: May 12, 2020
    Assignee: NISSHINBO CHEMICAL INC.
    Inventors: Nami Tsukamoto, Nobuyuki Matsumoto, Ikuo Takahashi, Takahiko Itoh
  • Patent number: 10457768
    Abstract: The modified polycarbodiimide compound of the present invention is obtained by modifying a polycarbodiimide compound derived from a diisocyanate compound with at least one aliphatic amine selected from the group consisting of diethylamine, methylisopropylamine, tert-butylethylamine, di-sec-butylamine, dicyclohexylamine, 2-methylpiperidine and 2,6-dimethylpiperidine. The curing agent of the present invention comprises the modified polycarbodiimide compound of the present invention. The thermosetting resin composition of the present invention comprises a carboxyl group-containing resin having a carboxyl group in a molecule or an epoxy resin having two or more epoxy groups in one molecule, and the curing agent of the present invention.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: October 29, 2019
    Assignee: NISSHINBO CHEMICAL INC.
    Inventors: Ikuo Takahashi, Takahiko Itoh, Takahiro Sasaki
  • Patent number: 10358519
    Abstract: The modified polycarbodiimide compound of the present invention is obtained by modifying a polycarbodiimide compound derived from a diisocyanate compound with an aromatic heterocyclic compound having endocyclic secondary amine nitrogen. The curing agent of the present invention comprises the modified polycarbodiimide compound of the present invention. Thus, a modified polycarbodiimide compound that allows amine dissociation to start at a low temperature as compared with a modified polycarbodiimide compound obtained by modifying a polycarbodiimide compound derived from a diisocyanate compound with diisopropylamine, and a curing agent comprising the modified polycarbodiimide compound can be provided.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: July 23, 2019
    Assignee: NISSHINBO CHEMICAL INC.
    Inventors: Ikuo Takahashi, Takahiko Itoh, Takahiro Sasaki
  • Patent number: 10266644
    Abstract: The present invention provides an epoxy resin composition, which is improved in terms of storage stability without deteriorating the characteristics of a cured resin, and is also superior in handling property, by using a curing accelerator having higher latency. The epoxy resin composition of the present invention comprises an epoxy resin, a curing agent, and a curing accelerator, wherein the curing accelerator is a reaction product between a carbodiimide compound and an imidazole compound, and is contained in an amount of 0.1 to 5 parts by mass with respect to 100 parts by mass of the epoxy resin.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: April 23, 2019
    Assignee: Nisshinbo Chemical Inc.
    Inventors: Ikuo Takahashi, Takahiko Itoh, Shinichi Nakashima, Takahiro Sasaki
  • Publication number: 20190056282
    Abstract: A pressure detection device includes: a piezoelectric element that detects a pressure change via a diaphragm head or the like; a circuit board that is provided with a processing circuit that performs electrical processing with respect to a charge signal outputted from the piezoelectric element; a conductive housing member, which has conductivity and is disposed to cover (house) the circuit board, and which is connected to the ground of the circuit board; and a housing (a leading end side housing, the diaphragm head and a rear end side housing), which houses the piezoelectric element, the circuit board and the housing member, and which is electrically insulated from the piezoelectric element, the circuit board and the housing member.
    Type: Application
    Filed: February 21, 2017
    Publication date: February 21, 2019
    Applicants: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Yuta KANAMORI, Masanori YOMOYAMA, Tetsuya AIBA, Ikuo TAKAHASHI, Hiroshi NAKAGAWA, Kazuo TAKAHASHI, Yusuke SATOH
  • Publication number: 20180371237
    Abstract: A carbodiimide-based aqueous resin crosslinking agent excellent in the storage stability in the coexistence of an aqueous resin, comprising a polycarbodiimide (A) having substituents derived from hydrophilic organic compounds at both terminals thereof, at least one of the substituents being a substituent derived from a hydrophilic organic compound having a molecular weight of 340 or more, and a polycarbodiimide (B) having substituents derived from organic compounds having a molecular weight of 300 or less at both terminals thereof, wherein the mass ratio [(B)/(A)] of the polycarbodiimide (B) to the polycarbodiimide (A) is from 20/80 to 95/5.
    Type: Application
    Filed: July 6, 2016
    Publication date: December 27, 2018
    Applicant: NISSHINBO CHEMICAL INC.
    Inventors: Nami TSUKAMOTO, Nobuyuki MATSUMOTO, Ikuo TAKAHASHI, Takahiko ITOH
  • Publication number: 20180282516
    Abstract: There are provided a resin additive with which the generation of an isocyanate gas during the production of a master batch or a resin composition can be effectively suppressed when a carbodiimide compound is used as an additive for improving the hydrolysis resistance of a resin, a master batch using the above resin additive, and a method for producing the same, and a resin composition using the above resin additive, and a method for producing the same. A resin additive comprising a carbodiimide compound (A) and a surfactant (B), and a master batch and a resin composition comprising the above resin additive and a resin (D), and methods for producing these.
    Type: Application
    Filed: September 30, 2016
    Publication date: October 4, 2018
    Applicant: NISSHINBO CHEMICAL INC.
    Inventors: Ikuo TAKAHASHI, Yoshihiro YAMAZAKI, Akira TANIGUCHI, Saori KOTANI, Naoki NISHIKAWA
  • Publication number: 20180245237
    Abstract: A method of production of a high insulation resistance, high strength langatate-based single crystal and a langatate-based single crystal are provided. That is, a method of production of a langatate-based single crystal using the Czochralski method of pulling up a crystal from a starting material solution so as to grow a langatate-based single crystal, comprising placing the starting material solution of the single crystal in a platinum crucible and growing the single crystal using the Z-axis as the growth axis in a growth atmosphere of a mixed gas comprising an inert gas in which an oxidizing gas is contained in an amount greater than 5 vol %.
    Type: Application
    Filed: August 18, 2016
    Publication date: August 30, 2018
    Applicants: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Ikuo TAKAHASHI, Takayuki AOKI, Youichi NONOGAKI, Yoshitaka KINOSHITA
  • Publication number: 20180118878
    Abstract: The present invention provides an epoxy resin composition, which is improved in terms of storage stability without deteriorating the characteristics of a cured resin, and is also superior in handling property, by using a curing accelerator having higher latency. The epoxy resin composition of the present invention comprises an epoxy resin, a curing agent, and a curing accelerator, wherein the curing accelerator is a reaction product between a carbodiimide compound and an imidazole compound, and is contained in an amount of 0.1 to 5 parts by mass with respect to 100 parts by mass of the epoxy resin.
    Type: Application
    Filed: March 18, 2016
    Publication date: May 3, 2018
    Applicant: NISSHINBO CHEMICAL INC.
    Inventors: Ikuo TAKAHASHI, Takahiko ITOH, Shinichi NAKASHIMA, Takahiro SASAKI
  • Publication number: 20180094095
    Abstract: The modified polycarbodiimide compound of the present invention is obtained by modifying a polycarbodiimide compound derived from a diisocyanate compound with at least one aliphatic amine selected from the group consisting of diethylamine, methylisopropylamine, tert-butylethylamine, di-sec-butylamine, dicyclohexylamine, 2-methylpiperidine and 2,6-dimethylpiperidine. The curing agent of the present invention comprises the modified polycarbodiimide compound of the present invention. The thermosetting resin composition of the present invention comprises a carboxyl group-containing resin having a carboxyl group in a molecule or an epoxy resin having two or more epoxy groups in one molecule, and the curing agent of the present invention.
    Type: Application
    Filed: March 30, 2016
    Publication date: April 5, 2018
    Applicant: NISSHINBO CHEMICAL INC.
    Inventors: Ikuo TAKAHASHI, Takahiko ITOH, Takahiro SASAKI
  • Publication number: 20180066098
    Abstract: The modified polycarbodiimide compound of the present invention is obtained by modifying a polycarbodiimide compound derived from a diisocyanate compound with an aromatic heterocyclic compound having endocyclic secondary amine nitrogen. The curing agent of the present invention comprises the modified polycarbodiimide compound of the present invention. Thus, a modified polycarbodiimide compound that allows amine dissociation to start at a low temperature as compared with a modified polycarbodiimide compound obtained by modifying a polycarbodiimide compound derived from a diisocyanate compound with diisopropylamine, and a curing agent comprising the modified polycarbodiimide compound can be provided.
    Type: Application
    Filed: March 30, 2016
    Publication date: March 8, 2018
    Applicant: NISSHINBO CHEMICAL INC.
    Inventors: Ikuo TAKAHASHI, Takahiko ITOH, Takahiro SASAKI
  • Patent number: 8689140
    Abstract: A remote control unit of an air conditioning apparatus includes a display unit, a cursor-moving member, a confirmation member, and a controller. The display unit displays a menu and a cursor that indicates an item among a plurality of items inside the menu and is moved by the cursor-moving member when operated by a user. The confirmation member is configured to decide that the item is to be executed. The controller controls the display unit in response to the cursor-moving member or confirmation member being operated. The controller positions an item corresponding to a predetermined input at the top of the menu upon receiving the predetermined input.
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: April 1, 2014
    Assignee: Daikin Industries, Ltd.
    Inventors: Kaya Horiuchi, Hisashi Sumida, Yukihiro Takagaki, Ikuo Takahashi
  • Patent number: 8604154
    Abstract: A water-soluble or water-dispersible carbodiimide compound is hydrophilicized by incorporating methyl glycolate or methyl lactate, which serves a moiety similar to the moiety which aqueous urethane resin, aqueous acrylic resin, or the like possesses, into an end of a starting carbodiimide compound. The invention provides a carbodiimide compound and a carbodiimide composition, which, when added as a cross-linking agent to aqueous resin, can enhance water resistance, solvent resistance, and adhesion of the resin, while maintaining the conventionally attained pot life, and an aqueous coating composition containing the carbodiimide compound or composition.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: December 10, 2013
    Assignee: Nisshinbo Holdings Inc.
    Inventors: Ikuo Takahashi, Kenichi Yanagisawa, Noriko Osuga
  • Patent number: 8425846
    Abstract: The catalytic combustion type gas sensor includes a sensing element, a heat conducting layer of which includes boron nitride. The boron nitride content is from 30 wt % to 100 wt % of a material (such as alumina) that would be a base material having the highest proportion in a conventional heat conducting layer without boron nitride. A catalyst layer of the sensing element also includes boron nitride. The boron nitride content is from 10 wt % to 80 wt % of a material (such as tin oxide) that would be a base material having the highest proportion in a conventional catalyst layer without boron nitride.
    Type: Grant
    Filed: March 29, 2005
    Date of Patent: April 23, 2013
    Assignee: Citizen Holdings Co., Ltd.
    Inventors: Ikuo Takahashi, Junji Satoh
  • Patent number: 8399574
    Abstract: The present invention provides a resin powder composition for slush molding which can give slush molded articles with more excellent hydrolysis resistance. The present invention relates to a resin powder composition for slush molding which is characterized by comprising as the main component a thermoplastic polyurethane resin powder, preferably a thermoplastic polyurethane elastomer powder, and containing a polycarbodiimide prepared by polymerizing tetramethylxylylene diisocyanate, alkoxy terminated one having a number average molecular weight of 500 to 30,000.
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: March 19, 2013
    Assignees: Sanyo Chemical Industries, Ltd., Toyota Jidosha Kabushiki Kaisha, Nisshinbo Chemical Inc.
    Inventors: Shinya Fujibayashi, Shinji Watanabe, Chikara Ohto, Shuji Nakagawa, Ikuo Takahashi, Shigekazu Suzuki
  • Patent number: 8257656
    Abstract: A lead portion (25) of a heater coil (22) is constituted of a single coil wound into a coil and a bead portion (24) is constituted of a double coil formed by further winding the single coil into a coil. By constituting a detecting element (2) by burying the bead portion (24) in a heat conductive layer (21) and adhering a catalyst layer (23) on the surface of the heat conductive layer (21), improvement of the gas sensitivity and the response speed of a catalytic combustion gas sensor is facilitated. Zero point variation is reduced by improving impact resistance. When both ends of the heater coil are fixed to electrode pins, both ends of the heater coil are welded to the electrode pins using a resistance welding method, etc., with a platinum wire, etc., wound on a primary core wire, and thereafter, the primary core wire is melted and eliminated while leaving the platinum wire, etc., by a wet etching process.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: September 4, 2012
    Assignee: Citizen Holdings Co., Ltd.
    Inventors: Ikuo Takahashi, Junji Satoh, Yoshirou Hirai