Patents by Inventor Mikiko Mihara

Mikiko Mihara 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).

  • Biocidal material and biocidal method
    Publication number: 20010019727
    Abstract: A biocidal material comprising, as an active ingredient, a compound represented by General Formula (1)
    Type: Application
    Filed: December 13, 2000
    Publication date: September 6, 2001
    Applicant: Secretary, Agency of Industrial Science and Technology & Tomita Pharmaceutical Co., Ltd.
    Inventors: Yoji Makita, Osamu Ikai, Kenta Ooi, Akinari Sonoda, Masahito Taya, Motomu Nishioka, Akira Ookubo, Mikiko Mihara
  • Method for treating waste water
    Patent number: 6132624
    Abstract: A method for treating phosphate-containing waste water comprising treating phosphate-containing waste water with a metal hydroxide complex as a phosphate adsorbent represented by formula (1):M.sub.1-x.sup.2+ M.sub.x.sup.3+ (OH.sup.-).sub.2+x-y (A.sup.n-).sub.y/n(1)wherein M.sup.2+ represents at least one divalent metal ion selected from the group consisting of Mg.sup.2+, Ni.sup.2+, Zn.sup.2+, Fe.sup.2+, Ca.sup.2+ and Cu.sup.2+, M.sup.3+ represents at least one trivalent metal ion selected from the group consisting of Al.sup.3+ and Fe.sup.3+, A.sup.n- represents n-valent anion, 0.1.ltoreq.x.ltoreq.0.5, 0.1.ltoreq.y.ltoreq.0.5 and n is 1 or 2 to adsorb phosphate is provided.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: October 17, 2000
    Assignee: Tomita Pharmaceutical Co. LTD
    Inventors: Takashi Suzuki, Toshio Sato, Akira Ookubo, Tomohide Koizumi, Mikiko Mihara, Shouichi Oonishi
  • Agent for removing phosphates, nitrates and nitrites from wastewater
    Patent number: 5976401
    Abstract: A method for treating phosphate-containing waste water comprising treating phosphate-containing waste water with a metal hydroxide complex as a phosphate adsorbent represented by the formula:M.sub.1-x.sup.2+ M.sub.x.sup.3+ (OH.sup.-).sub.2+x-y (A.sup.n-).sub.y/nwherein M.sup.2+ is at least one divalent metal ion selected from the group consisting of Mg.sup.2+, Ni.sup.2+, Zn.sup.2+, Fe.sup.2+, Ca.sup.2+ and Cu.sup.2+ ; M.sup.3+ is at least one divalent metal ion selected from the group consisting of Al.sup.3+ and Fe.sup.3+ ; A.sup.n- is an n-valent anion; x is in the range 0.1.ltoreq.x.ltoreq.0.5; y is in the range 0.1.ltoreq.y.ltoreq.0.5; and n is 1 or 2.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: November 2, 1999
    Assignee: Tomita Pharmaceutical Co., Ltd.
    Inventors: Takashi Suzuki, Toshio Sato, Akira Ookubo, Tomohide Koizumi, Mikiko Mihara, Shoichi Oonishi