Patents by Inventor Takeo Sawanobori

Takeo Sawanobori 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).

  • Cement reinforcing fiber
    Patent number: 4916012
    Abstract: A cement reinforcing fiber obtained by impregnating an organic or inorganic fiber with a thermosetting resin, then coating it with a rubber solution or rubber latex, and curing it.
    Type: Grant
    Filed: February 9, 1989
    Date of Patent: April 10, 1990
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Takeo Sawanobori, Yuji Noguchi, Hiromichi Sakai, Kazuhiro Sone
  • Modified carbon fiber reinforced cement
    Patent number: 4915739
    Abstract: Cement is reinforced by mixing into a water-curable cement a reinforcing quantity of a fiber prepared by impregnating a carbon fiber with from 50-200 wt. % of a thermosetting resin, coating the impregnated resin with from 10-200 wt. % of a rubber solution or rubber latex, and then curing the coated fiber.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: April 10, 1990
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Takeo Sawanobori, Yuji Noguchi, Hiromichi Sakai, Kazuhiro Sone
  • Fiber reinforced cement mortar product
    Patent number: 4910076
    Abstract: Cement mortar matrix and product are formed which are reinforced with a resin-impreganted twist-woven (Karami-ori) network of fibers which are oriented in the cement mortar in the direction of the maximum tensile stress yielded by the bending moment.
    Type: Grant
    Filed: March 11, 1987
    Date of Patent: March 20, 1990
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Tatsuo Ando, Takeshi Ikeda, Hiromichi Sakai, Hirobumi Otaguro, Takeo Sawanobori
  • Calcium silicate shaped product
    Patent number: 4895890
    Abstract: A calcium silicate shaped product comprising a calcium silicate hydrate, a carboxyl group-containing copolymer latex, a coupling agent and a carbon fiber.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: January 23, 1990
    Assignee: Mitsubishi Chemical Industries Limited
    Inventors: Takeo Sawanobori, Mitsuru Swata, Noriyuki Ariyama, Yuji Noguchi