Patents by Inventor Keiichiro Kondo

Keiichiro Kondo 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).

  • WAVEGUIDE DEVICE, OPTICAL SCANNING DEVICE AND OPTICAL MODULATION DEVICE
    Publication number: 20240142852
    Abstract: A waveguide device includes: a photonic crystal layer having holes periodically formed in an electro-optical crystal substrate; a line-defect optical waveguide formed in the photonic crystal layer; a first electrode arranged above the electro-optical crystal substrate, the first electrode being transparent to light; and a second electrode arranged below the electro-optical crystal substrate. Each of an optical scanning device and an optical modulation device includes the above-mentioned waveguide device.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 2, 2024
    Inventors: Kentaro TANI, Jungo KONDO, Keiichiro ASAI, Shuhei HIGASHIHARA, Naoki FUJITA
  • Oral cavity composition
    Patent number: 8945533
    Abstract: The object of the present invention is to provide an oral cavity composition which is nontoxic, excellent in plaque control, can prevent or treat onset of caries and periodontal disease caused by oral pathogens as well as can prevent or eliminate bad breath. The invention provides an oral cavity composition containing a lactic acid bacterium, Streptococcus faecalis as an active ingredient, the oral cavity composition wherein the lactic acid bacterium, Streptococcus faecalis is Streptococcus faecalis WB2000 strain and the oral cavity composition which is a non-aqueous oral cavity composition.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: February 3, 2015
    Assignees: Nippon Zettoc Co., Ltd., Wakamoto Pharmaceutical Co., Ltd.
    Inventors: Keiichiro Kondo, Misao Yasumuro, Seigo Nakaya, Nobuyuki Suzuki
  • Oral Cavity Composition
    Publication number: 20090169492
    Abstract: The object of the present invention is to provide an oral cavity composition which is nontoxic, excellent in plaque control, can prevent or treat onset of caries and periodontal disease caused by oral pathogens as well as can prevent or eliminate bad breath. The invention provides an oral cavity composition containing a lactic acid bacterium, Streptococcus faecalis as an active ingredient, the oral cavity composition wherein the lactic acid bacterium, Streptococcus faecalis is Streptococcus faecalis WB2000 strain and the oral cavity composition which is a non-aqueous oral cavity composition.
    Type: Application
    Filed: November 14, 2006
    Publication date: July 2, 2009
    Applicants: NIPPON ZETTOC CO., LTD., WAKAMOTO PHARMACEUTICAL CO., LTD.
    Inventors: Keiichiro Kondo, Misao Yasumuro, Seigo Nakaya, Nobuyuki Suzuki
  • Outer-rotor type electric rotary machine and electric motor vehicle using the machine
    Patent number: 5698913
    Abstract: An outer-rotor type electric rotary machine comprises a shaft fixed to a stationary unit, a motor stator, a motor rotor, a cylindrical rotor frame, and first and second brackets attached to rotary members, respectively. At least one of the first and second brackets includes a plurality of heat-radiating fins mounted on its outer peripheral surface, and a plurality of heat-absorbing fins mounted on its inner peripheral surface.
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: December 16, 1997
    Assignees: Kabushiki Kaisha Toshiba, Railway Technical Research Institute
    Inventors: Nobuyuki Yagi, Ko-ichi Matsuoka, Keiichiro Kondo