Patents Assigned to Kikuko Fukutani
  • Patent number: 7141102
    Abstract: An object of the present invention is to provide an antifreeze solution which is used by adding it to a heating medium of a heat exchanger or a radiator coolant for an internal combustion car engine, which can be used to prevent the icing of road surfaces, which is easy to use and environmentally friendly, and which does not contain environmentally harmful substances such as ethylene glycol so that it can be easily treated for disposal after use. Another object of the present invention is to provide an antifreeze solution which contains water as a main component and glycerin. The undiluted antifreeze solution does not freeze even at ?20° C. or less at normal pressures and is composed of components at a certain ratio.
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: November 28, 2006
    Assignee: Kikuko Fukutani
    Inventors: Yasuo Fukutani, Etsushi Tanaka, Yukio Wada
  • Patent number: 6448207
    Abstract: A metal working fluid, having excellent properties, contains a metal stearate, a carbonate, a hydrogencarbonate, and a surfactant. The metal working fluid may further contain ethyleneglycol and a rust inhibitor.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: September 10, 2002
    Assignees: Kikuko Fukutani, Mie Tanaka
    Inventors: Kikuko Fukutani, Mie Tanaka, Eiichiro Nakayama, Yoshiki Ueno, Shinya Fukushima, Kosuke Wada, Shunji Suzuki