Patents by Inventor Jitsuo Oda

Jitsuo Oda 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: 20210331924
    Abstract: Provided is a method for highly efficiently producing highly pure single-walled carbon nanotubes. This method for producing carbon nanotubes by fluidized CVD includes: a step for heating a material (A) to 1200° C. or higher, in which the total mass of Al2O3 and SiO2 constitutes at least 90% of the total mass of the material (A) and the mass ratio of Al2O3/SiO2 is in the range of 1.0-2.3; and a step for bringing a gas, which is present in the environment in which the material (A) is being heated to 1200° C. or higher, into contact with a feed gas to generate carbon nanotubes.
    Type: Application
    Filed: July 26, 2019
    Publication date: October 28, 2021
    Inventors: Naruhito Iwasa, Daigo Hirayama, Jitsuo Oda, Yasushi Miki, Hisato Kagawa, Takeshi Hashimoto, Kei Takano
  • Publication number: 20200040157
    Abstract: Provided is a nanosubstance-containing composition which exhibits excellent heat resistance in cases where a thermoplastic resin or a rubber is contained therein, while exhibiting high toughness in cases where a thermosetting resin is contained therein. A nanosubstance-containing composition according to the present invention contains (a) at least one component selected from the group consisting of thermoplastic resins, thermosetting resins and rubbers, (b) a compound having a reactive functional group and (c) a nanosubstance.
    Type: Application
    Filed: April 11, 2018
    Publication date: February 6, 2020
    Inventors: Jitsuo Oda, Yasushi Konda, Junya Yamada, Toyofumi Otaka, Atsuro Yamazaki
  • Patent number: 9650350
    Abstract: A resin composition which comprises polylactic acid, does not release an isocyanate group at the time of production and has excellent hydrolysis resistance and a low environmental burden. The resin composition comprises: (A) 100 parts by weight of a resin component (component A) containing polylactic acid (component A-?); (B) 0.001 to 10 parts by weight of a compound (component B) having one carbodiimide group and a cyclic structure in which first nitrogen and second nitrogen are bonded to each other via a bonding group, the cyclic structure consisting of 8 to 50 atoms; and (C) 0.001 to 2 parts by weight of at least one antioxidant (component C) selected from the group consisting of a hindered phenol-based compound, a phosphite-based compound, a phosphonite-based compound and a thioether-based compound.
    Type: Grant
    Filed: January 17, 2011
    Date of Patent: May 16, 2017
    Assignee: TEIJIN LIMITED
    Inventors: Yuichi Matsuno, Masaki Mitsunaga, Jitsuo Oda, Masatsugu Furuki, Shinichiro Shoji, Takuro Kitamura, Yoshitaka Shibata
  • Publication number: 20140066555
    Abstract: A method for producing a composition including polylactic acid and having excellent heat stability, especially moist heat stability, and a molded article thereof. The composition includes 100 parts by weight of a resin component (component A) which is composed of 5 to 100 wt % of polylactic acid (component A-?) and 95 to 0 wt % of a thermoplastic resin (component A-?), 0.001 to 5 parts by weight of a phosphono-fatty acid ester (component B), 0.01 to 5 parts by weight of a phosphate metal salt (component C), 0.001 to 2 parts by weight of at least one antioxidant (component D) selected from the group consisting of a phosphite-based compound, a phosphonite-based compound, a hindered phenol-based compound and a thioether-based compound, and 0.001 to 10 parts by weight of an end-sealing agent (component E).
    Type: Application
    Filed: November 7, 2013
    Publication date: March 6, 2014
    Applicants: TEIJIN LIMITED, Teijin Chernicals Limited
    Inventors: Yuichi MATSUNO, Masaki MITSUNAGA, Jitsuo ODA, Mitsuru DOTEGUCHI, Yoshitaka SHIBATA, Kiyotsuna TOYOHARA, Masahiro IWAI, Takuro KITAMURA
  • Publication number: 20120289625
    Abstract: A resin composition which comprises polylactic acid, does not release an isocyanate group at the time of production and has excellent hydrolysis resistance and a low environmental burden. The resin composition comprises: (A) 100 parts by weight of a resin component (component A) containing polylactic acid (component A-?); (B) 0.001 to 10 parts by weight of a compound (component B) having one carbodiimide group and a cyclic structure in which first nitrogen and second nitrogen are bonded to each other via a bonding group, the cyclic structure consisting of 8 to 50 atoms; and (C) 0.001 to 2 parts by weight of at least one antioxidant (component C) selected from the group consisting of a hindered phenol-based compound, a phosphite-based compound, a phosphonite-based compound and a thioether-based compound.
    Type: Application
    Filed: January 17, 2011
    Publication date: November 15, 2012
    Applicant: TEIJIN LIMITED
    Inventors: Yuichi Matsuno, Masaki Mitsunaga, Jitsuo Oda, Masatsugu Furuki, Shinichiro Shoji, Takuro Kitamura, Yoshitaka Shibata
  • Publication number: 20110263762
    Abstract: A composition comprising polylactic acid and having excellent heat stability, especially moist heat stability, and a molded article thereof. The composition comprises 100 parts by weight of a resin component (component A) which is composed of 5 to 100 wt % of polylactic acid (component A-?) and 95 to 0 wt % of a thermoplastic resin (component A-?), 0.001 to 5 parts by weight of a phosphono-fatty acid ester (component B), 0.01 to 5 parts by weight of a phosphate metal salt (component C), 0.001 to 2 parts by weight of at least one antioxidant (component D) selected from the group consisting of a phosphite-based compound, a phosphonite-based compound, a hindered phenol-based compound and a thioether-based compound, and 0.001 to 10 parts by weight of an end-sealing agent (component E).
    Type: Application
    Filed: November 2, 2009
    Publication date: October 27, 2011
    Applicants: TEIJIN LIMITED, TEIJIN CHEMICALS LTD.
    Inventors: Yuichi Matsuno, Masaki Mitsunaga, Jitsuo Oda, Mitsuru Doteguchi, Yoshitaka Shibata, Kiyotsuna Toyohara, Masahiro Iwai, Takuro Kitamura
  • Publication number: 20110160364
    Abstract: To provide a resin composition having high heat resistance with a high melting point and excellent melt stability and hydrolysis resistance, a molded article of the resin composition and a method of manufacturing the resin composition; the resin composition comprises an aromatic polyester (component A) having a butylene terephthalate skeleton as the main constituent unit and polylactic acid (component B) having a melting point of 190° C. or higher.
    Type: Application
    Filed: July 26, 2007
    Publication date: June 30, 2011
    Applicants: TEIJIN LIMITED, TEIJIN CHEMICALS LTD.
    Inventors: Kiyotsuna Toyohara, Takaaki Matsuda, Keiichiro Ino, Yuichi Matsuno, Fumitaka Kondo, Jitsuo Oda
  • Publication number: 20100324220
    Abstract: A resin composition comprising an aromatic polyester having a butylene terephthalate skeleton as the main constituent unit (component A), polylactic acid comprising poly(L-lactic acid) and poly(D-lactic acid) (component B), and a modifier (component C), wherein the resin composition has (i) a crystal melting peak of stereocomplex-phase polylactic acid at 190° C. or higher in differential scanning calorimeter measurement, (ii) a biomass ratio of not less than 50%, (iii) a notched Izod impact strength of 4 to 15 kJ/m2 and (iv) a flexural modulus of 2.5 to 6 GPa. The resin composition provides a molded article having excellent impact resistance and stiffness. The resin composition has a biomass ratio of not less than 50%. The resin composition has a low moisture absorptivity, hydrolysis resistance and high-speed moldability. The resin composition provides a molded article having excellent heat resistance.
    Type: Application
    Filed: February 3, 2009
    Publication date: December 23, 2010
    Applicants: TEIJIN LIMITED, TEIJIN CHEMICALS LTD.
    Inventors: Kiyotsuna Toyohara, Jitsuo Oda
  • Patent number: 7344673
    Abstract: A preform for a multi-layered hollow vessel has excellent moldability and productivity and is free from the deterioration of the characteristic properties of the vessel even when a recycled material is filled in large quantities. A molded product is produced by filling a first material and a second material into the cavity of an injection mold in a single molding step including (i) the substep of injecting the first material, (ii) the substep of injecting the first material and the second material at the same time and (iii) the substep of injecting the first material which are carried out continuously in this order.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: March 18, 2008
    Assignees: Teijin Limited, Nissei Plastic Industrial Co., Ltd.
    Inventors: Hodaka Yokomizo, Jitsuo Oda, Yasuhiko Takeuchi, Hiromitsu Miyajima
  • Publication number: 20040022975
    Abstract: A preform for a multi-layered hollow vessel having excellent moldability and productivity and free from the deterioration of the characteristic properties of the vessel even when a recycled material is filled in large quantities and a production process therefor.
    Type: Application
    Filed: April 21, 2003
    Publication date: February 5, 2004
    Inventors: Hodaka Yokomizo, Jitsuo Oda, Yasuhiko Takeuchi, Hiromitsu Miyajima