Patents by Inventor Seiichi Kumagai

Seiichi Kumagai 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).

  • ELEVATOR ROPE TENSION MEASUREMENT SYSTEM
    Publication number: 20220356046
    Abstract: There is provided an elevator rope tension measurement system that can reduce measurement error when the tension of the rope of an elevator is quantitatively measured. An elevator rope tension measurement system includes a vibration waveform collection unit configured to collect a vibration waveform of a rope of an elevator; and a frequency calculation unit configured to select, based on a measurement resolution calculated from a collection time period and a collection cycle for collecting the vibration waveform by the vibration waveform collection unit, a method for calculating a frequency of the vibration waveform collected by the vibration waveform collection unit.
    Type: Application
    Filed: September 30, 2019
    Publication date: November 10, 2022
    Applicants: Mitsubishi Electric Corporation, Mitsubishi Electric Building Techno-Service Co., Ltd.
    Inventors: Kiyotaka WATANABE, Takuya HASHIGUCHI, Takaya TANIGUCHI, Seiichi KUMAGAI, Yoshiko ONO, Kotaro WATANABE, Kyohei YAMANAKA
  • Shampoo composition
    Patent number: 5211883
    Abstract: A shampoo composition is disclosed. The composition comprises an amidoamine-type amphoteric surface active agent, a specific type of modified silicone polymeric compound, and a specific type of polymer. It gives an excellent soft and smooth feeling during washing and rinsing, a superb natural hair-set effect without oily stickiness and roughness, and easy passage of comb through the hair. It is also mild to the skin, the mucous of the eyes, and the like.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: May 18, 1993
    Assignee: Kao Corporation
    Inventors: Sahoko Yamashina, Seiichi Kumagai, Kazuyuki Yahagi
  • Shampoo composition
    Patent number: 5077041
    Abstract: A shampoo composition is disclosed. The composition comprises an anidoamine-type amphoteric surface active agent, a specific type of modified silicone polymeric compound, and a specific type of polymer. It gives an excellent soft and smooth feeling during washing and rinsing, a superb natural hair-set effect without oily stickiness and roughness, and easy passage of comb through the hair. It is also mild to the skin, the mucous of the eyes, and the like.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: December 31, 1991
    Assignee: Kao Corporation
    Inventors: Sahoko Yamashina, Seiichi Kumagai, Kazuyuki Yahagi
  • Display screen with graphical user interface
    Patent number: D959483
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: August 2, 2022
    Inventors: Kotaro Watanabe, Seiichi Kumagai, Takaya Taniguchi, Takuya Hashiguchi, Kiyotaka Watanabe, Yoshiko Ono
  • Display screen with graphical user interface
    Patent number: D967846
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: October 25, 2022
    Assignees: MITSUBISHI ELECTRIC BUILDING SOLUTIONS CORPORATION, MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kotaro Watanabe, Seiichi Kumagai, Takaya Taniguchi, Takuya Hashiguchi, Kiyotaka Watanabe, Yoshiko Ono