Patents by Inventor Yoshimi Takiguchi

Yoshimi Takiguchi 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).

  • Porous plastic filter and process for its production
    Patent number: 5804074
    Abstract: A porous plastic filter for separating fine particles, which is obtained by sinter-forming particles of thermoplastic material, wherein the contact angle to water of at least one surface of the porous plastic filter is at least 60.degree., preferably at least 90.degree., and at least a thermoplastic material having an average particle size within a range of from 5 to 90 .mu.m, is used.
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: September 8, 1998
    Assignee: Mitsubishi Plastics, Inc.
    Inventors: Yoshimi Takiguchi, Yosuke Egawa, Takayuki Watanabe, Hiroharu Masano
  • Process for denitration of exhaust gas
    Patent number: 4110183
    Abstract: A process for removing nitrogen oxides from exhaust gases which comprises;Introducing an oxidizing gas into the exhaust gas to oxidize the nitrogen monoxide contained therein to nitrogen dioxide and thereby form a first oxidized exhaust gas;Irradiating said first oxidized gas with actinic light to oxidize said nitrogen dioxide to nitric acid and thereby form a second oxidized exhaust gas; andRemoving said nitric acid from said second oxidized exhaust gas.
    Type: Grant
    Filed: July 29, 1977
    Date of Patent: August 29, 1978
    Assignee: Kobe Steel, Ltd.
    Inventors: Isao Furuta, Yoshimi Takiguchi