Patents by Inventor Kikuko Fukutani

Kikuko Fukutani 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: 6652821
    Abstract: The present invention provides a purifying agent having an effect of removing or decomposing toxic substances contained in flue gas or incinerated ash. The purifying agent of the present invention contains one or more kinds of salts selected from alkali metal silicates, fluoride ion, hydrogencarbonate ion, and water-soluble alcohols or derivatives thereof.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: November 25, 2003
    Inventors: Yasuo Fukutani, Yoshiyuki Futahashi, Yukio Wada, Eiichiro Nakayama, Kikuko Fukutani, Masami Kojima, Kosuke Wada, Masayoshi Uchida, Shunji Suzuki, Naoya Fujii
  • Patent number: 6518225
    Abstract: The object of the present invention is to provide a water-base lubricating fluid or a water-base hydraulic fluid in place of an oily liquid which has been used as a lubricating oil or a hydraulic oil applied onto the operating part of a machine and a device. The lubricating fluid of the present invention comprises fluoride ion, hydrogencarbonate ion, and water-soluble alcohols or their derivatives.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: February 11, 2003
    Inventors: Yasuo Fukutani, Kikuko Fukutani, Yukio Wada, Eiichiro Nakayama, Yoshiyuki Futahashi, Chiyo Wada, Naomi Kitagawa, Mie Fukutani, Kosuke Wada, Shinya Fukushima, Sadayuki Futahashi, Yuko Okamoto, Sadao Futahashi, Kazuma Suzuki, Tamiko Tsuruta, Shunji Suzuki, Hitohiro Fukutani
  • Patent number: 6488749
    Abstract: An object of the present invention is to provide an aquarous rust inhibitor having low toxicity and excellent rust resistance, which contains saturated fatty acid, saturated dicarboxylic acid and salt thereof, derivatives of ethylenediamine tetraacetic acid, tolyltriazole or benzotriazole, fatty acid metal salt, and water.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: December 3, 2002
    Inventors: Yasuo Fukutani, Kikuko Fukutani, Yukio Wada, Yoshiki Ueno, Shinya Fukushima, Eiichiro Nakayama
  • 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